Metrohm 900 Manual
  1. Manuals
  2. Brands
  3. Metrohm Manuals
  4. Touch Panel
  5. 900
  6. Manual

Metrohm 900 Manual

Touch control
Hide thumbs Also See for 900:
1
2
3
4
Table Of Contents
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
Table of Contents

Advertisement

Quick Links

Download this manual
900 Touch Control
Manual
8.900.8015EN / 2021-03-26

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 900 and is the answer not in the manual?

Questions and answers

Related Manuals for Metrohm 900

Summary of Contents for Metrohm 900

  • Page 1 900 Touch Control Manual 8.900.8015EN / 2021-03-26...
  • Page 3 Metrohm AG CH-9100 Herisau Switzerland Phone +41 71 353 85 85 Fax +41 71 353 89 01 info@metrohm.com www.metrohm.com 900 Touch Control Program version 5.900.0043 Manual 8.900.8015EN / 2021-03-26...
  • Page 4 Technical Communication Metrohm AG CH-9100 Herisau techcom@metrohm.com This documentation is protected by copyright. All rights reserved. This documentation has been prepared with great care. However, errors can never be entirely ruled out. Please send comments regarding possible errors to the address above.

  • Page 5: Table Of Contents

    Coulometric water content determination according to Karl Fischer (KFC) ..............15 Bromine index determination (BRC) ........15 6 Operation Switching the instrument on and off ........ 16 Fundamentals of operation ..........17 6.2.1 Touch-sensitive screen ............17 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 6 8.7.2 Properties of the previous titer determinations ....... 59 9 Reagents Editing reagent data ............62 Reagent monitoring ............62 10 Sensors 10.1 Adding a new sensor ............67 10.2 Editing the sensor data ............68 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 7 11.3.2 PC/LIMS report ..............83 11.3.3 Shared memory ..............84 11.3.4 TCP/IP settings ............... 86 11.4 Metrohm control instruments ........... 87 11.4.1 Properties – Control instrument ..........88 11.4.2 Properties – Measuring input ..........88 11.4.3 Properties – MSB connector ........... 90 11.4.4...
  • Page 8 Defining calibration buffers ..........161 15.6 Report header ..............162 15.7 Custom electrode type ............. 163 15.7.1 Limit values for the electrode rating ........164 16 Methods 16.1 Creating a new method ........... 167 16.2 Saving a method ............... 168 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 9 23 Live modifications 23.1 Editing the sample data of the running determination 208 23.2 Editing the sample table while a determination is run- ning ..................209 23.3 Live display ............... 210 23.4 Live parameters ..............212 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 10 28.3 Dosing ................256 28.3.1 Continuous dosing .............. 258 28.3.2 Dosing fixed volumes ............260 28.3.3 Preparing ................262 28.3.4 Emptying ................263 28.3.5 Filling .................. 264 28.3.6 Replacing reagent ..............264 28.4 Stirring ................265 VIII ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 11 Start conditions ..............323 29.4.2 Control parameters .............. 325 29.4.3 Titration parameters ............328 29.4.4 Stop conditions ..............329 29.4.5 Conditioning ............... 330 29.4.6 Cell ..................332 29.4.7 Control instrument .............. 332 29.4.8 Sensor ................. 333 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 12 Stirrer .................. 390 29.10 Calibration of sensors (CAL) ..........391 29.10.1 Calibration parameters (CAL pH) .......... 391 29.10.2 Calibration parameters (CAL Conc) ........394 29.10.3 Calibration parameters (CAL Cond) ........397 29.10.4 Control instrument .............. 400 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 13 29.17.6 Creating a subsequence (SUBSEQ) ........476 29.18 Miscellaneous commands ..........479 29.18.1 Controlling a stirrer (STIR) ............ 479 29.18.2 Pausing the method run (WAIT) ........... 480 29.18.3 Scan data (REQUEST) ............480 29.18.4 Defining an acoustic signal (BEEP) ........481 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 14 32.8.3 DIN (according to DIN standard 19267, 2012) ..... 501 32.8.4 Fisher .................. 502 32.8.5 Fluka ................... 503 32.8.6 Mettler Toledo ..............504 32.8.7 Beckmann ................505 32.8.8 Radiometer Analytical ............506 32.8.9 Baker ................... 507 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 15 33.1 Touch screen ..............529 33.2 Interfaces ................530 33.3 Power supply ..............530 33.4 Declarations of Conformity ..........530 33.5 Ambient temperature ............531 33.6 Dimensions ................ 531 33.7 Storage capacity ............... 531 34 Accessories Index XIII 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 16 Table of figures ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Table of figures Figure 1 Front 900 Touch Control ..............8 Figure 2 Rear 900 Touch Control ..............9 Figure 3 Reagent dosing for DET ..............11 Figure 4 Reagent dosing for MET ..............11 Figure 5 Reagent dosing for SET ..............

  • Page 17: Introduction

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 1 Introduction 1 Introduction Instrument description The 900 Touch Control is an operating unit with a touch-sensitive screen. You can operate the following control instruments with the 900 Touch Control: Titrandos ￭ Sample Processors ￭ 846 Dosing Interface ￭...
  • Page 18 – Ipol (voltametric measurement with selectable polarization cur- rent) – Upol (amperometric measurement with selectable polarization voltage) ￭ Coulometric water content determination according to Karl Fischer. Measuring mode: – Ipol (voltametric measurement with selectable polarization cur- rent) ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 19: About The Documentation

    1.3.1 Symbols and conventions The following symbols and formatting may appear in this documentation: Cross-reference to figure legend The first number refers to the figure number, the sec- ond to the instrument part in the figure. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 20 WARNING This symbol draws attention to a possible biological hazard. CAUTION This symbol draws attention to possible damage to instruments or instrument parts. NOTE This symbol highlights additional information and tips. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 21: Safety Instructions

    The electrical safety when working with the instrument is ensured as part of the international standard IEC 61010. WARNING Only personnel qualified by Metrohm are authorized to carry out service work on electronic components. WARNING Never open the housing of the instrument. The instrument could be damaged by this.

  • Page 22: Tubing And Capillary Connections

    Set up the instrument in a well-ventilated location (e.g. fume cup- ￭ board). Keep all sources of flame far from the workplace. ￭ Clean up spilled liquids and solids immediately. ￭ Follow the safety instructions of the chemical manufacturer. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 23: Recycling And Disposal

    The correct disposal of your old instrument will help to prevent negative effects on the environment and public health. More details about the disposal of your old instrument can be obtained from your local authorities, from waste disposal companies or from your local dealer. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 24: Overview Of The Instrument

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Overview of the instrument Figure 1 Front 900 Touch Control Display Fixed key [Home] Touch screen. Opens the main dialog. Fixed key [Back] Fixed key [Help] Opens the next-higher dialog page. Opens the online help for the dialog dis- played.

  • Page 25: Figure 2 Rear 900 Touch Control

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Overview of the instrument Figure 2 Rear 900 Touch Control Ethernet connector (RJ-45) USB connector (type A) For connecting to a network. For connecting printers, USB sticks, USB hubs, etc. Power switch Type plate Switches the instrument on/off.

  • Page 26: Installation

    Place the instrument in a location of the laboratory which is suitable for operation and free of vibrations and which provides protection against corrosive atmosphere and contamination by chemicals. The instrument should be protected against excessive temperature fluctua- tions and direct sunlight. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 27: Titrations

    The reagent is added in constant volume steps. Measured value acceptance is measured value drift-controlled (equilibrium titration) or after a waiting time. Equivalence points are evaluated automatically. U/mV V/mL Figure 4 Reagent dosing for MET 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 28: Endpoint Titration (Set)

    The titration is stopped at the endpoint either drift- controlled or after a waiting time. The volume dosed until the endpoint is used to calculate the water content of the sample. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 29: Titration With Constant Maintenance Of The Measured Value (Stat)

    Min. rate and increases to the Max. rate. The dosing continues to be carried out at the Max. rate until the Control range is reached. In this range, STAT mode and SET mode control equally. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 30: Manual Titration (Mat)

    In addition, the method can be equipped with further commands, e.g. calculating a result, creating a report or scanning sample data. The system is FDA compliant and enables a manual titration according to the FDA guidelines with this mode. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 31: Coulometric Water Content Determination According To Karl Fischer (Kfc)

    No titer needs to be determined as the bromine index determination is an absolute determination. The bromine index is usually indicated in mg bromine per 100 g sample. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 32: Operation

    Press the power switch on the left-hand side of the back panel of ￭ the 900 Touch Control. The 900 Touch Control and the control instrument are initialized and a system test is carried out. This process takes some time. NOTICE...

  • Page 33: Fundamentals Of Operation

    The current data is saved and the system is shut down. This process takes just a short time. At the same time, all other instruments con- nected to the 900 Touch Control via a USB cable are also being switched off.

  • Page 34: Display Elements And Controls

    Title bar. In the other dialogs, the title bar shows the headings of the next upper level and of the displayed dialog. This is an aid for orientation during navi- gation through the user dialog. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 35: Status Display

    The current status of the system is displayed in the upper right-hand cor- ner of the title bar. Table 3 Status displays The instrument is in normal status. The working medium is being conditioned. Conditioning has been paused. The working medium is conditioned. A method has been started. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 36: Entering Text And Numbers

    [⇨] The cursor within the input field is shifted to the right by one character. [a…z] The lower-case letters are displayed. The label changes to [A…Z]. The upper-case letters are displayed again by tapping. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 37 (see chapter 32.6, page 496). You can select the result variable by touching [R1]. NOTICE A commercially available USB keyboard can be connected to make it easier for text and numerical input. The key assignment is described in chapter 11.10, page 117. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 38: System Settings

    Proceed as follows to select the dialog language: 1 Opening the system settings In the main dialog, tap on [System]. ￭ Tap on [System settings]. ￭ The System / System settings dialog is displayed. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 39: Setting The Date, Time And Local Time

    ￭ and confirm with [OK]. The arrow keys [⇦] and [⇨] are used to move the cursor to the left or to the right by one character. The input is saved and the editor is closed. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 40: System-Specific Dialog Options

    (see chapter 7.3.1, page 29). Dialog Dialog mode in which the user may operate the system. Selection Expert dialog | Routine dialog Expert dialog All functions that are supported by the connected system are available. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 41 Operation without login function: ￭ In the main dialog, enter User = Metrohm. Operation with login function: ￭ A user who works with expert dialog must log in.
  • Page 42 A suitable Standard configuration has already been saved for routine operations: Methods can only be loaded, but not modified or created. ￭ Determinations cannot be recalculated. ￭ You can readjust this standard configuration by disabling additional func- tions or re-enabling disabled functions. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 43 Many additional buttons and parameters can be disabled in the dia- logs of [System], [Load method], [Control], [Edit parameters] and [Results]. The corresponding option must be activated in order to enable these buttons. 4 Saving the settings Tap on the fixed keys [ ] or [ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 44: User Administration

    The following data is displayed in the user list for each user: Name ￭ Dialog mode in which the user may operate the system. ￭ Status ￭ You can use the user list two different ways: ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 45: Editing The User Configuration

    (requirement of FDA Guidance 21 CFR Part 11). The last user with administrator rights cannot be deleted. [Edit] Editing the data of the selected user (see chapter 7.3.1, page 29). 7.3.1 Editing the user configuration User list: User ▶ New / Edit 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 46 Status of the user. Users can be deactivated. This function is useful, for instance, if the user is no longer authorized to operate the system or no longer works for the company. Selection active | inactive Default value active ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 47 Review methods (signature level 1) on | off (Default value: off) If this option is activated, then the user may only sign methods which have the status saved. The method is assigned the status reviewed. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 48 | off (Default value: off) If this option is activated, then the user may delete the signatures of a determination which has been released. The signatures of a determination can only be deleted if it has the status released. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 49: Creating An Identification Profile

    There are a number of different ways to log onto the system: Without login ￭ Login via user name ￭ Login via user name and password ￭ Login via identification profile ￭ Login via identification profile and password ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 50 If this option is activated, then the user must log in with his or her unam- biguous identification. Login via identification profile on | off (Default value: off) If this option is activated, then the login will take place via USB storage medium with the identification profile stored on it. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 51: Password Options

    Define the settings for the password, see following chapter. 7.3.4 Password options Main dialog: System ▶ System settings ▶ User admin. ▶ Login options ▶ Password options You can make various settings for password entry in the password options. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 52 If this option is activated, then the user must define a new password after the time specified. A password that has already been used cannot be used again. Input range 1 to 999 days Default value 365 days ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 53: Modification Options

    These reasons are documented in the Audit Trail (see chapter 7.3.7, page 39) together with the modifi- cation. The reason for the last modification is shown in the properties of the method or determination. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 54: Reasons

    Some reasons have already been provided. [New] Add a new reason to the list. [Delete] Delete the selected reason from the list. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 55: Audit Trail

    | off (Default value: off) If this option is activated, then all changes with respect to methods and determinations will be recorded (saving, deleting, renaming, copying and loading methods; editing method parameters; starting, stopping, pausing determinations). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 56: Measured Value Display

    Each time a button is touched on the touch screen, this will be con- firmed by an acoustic signal. External data input ￭ An acoustic signal will provide confirmation each time data is received from external devices (e.g. balance, barcode reader). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 57: Titrants

    Titrants in exchange units/dosing units with integrated data chips are depicted in green lettering. The following titrant data is stored in the titrant list: Name ￭ Each titrant in the system is identified by its unambiguous name. Concentration ￭ Current titer ￭ Working life ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 58: Adding A New Titrant

    Tapping on the button [Edit] opens the properties dialog, see following chapter. Exchange unit/dosing unit without data chip: ￭ The properties dialog is opened after the dosing unit type has been selected, see following chapter. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 59: Editing Titrant Data

    µmol/mL | mmol/L | mol/L | g/L | mg/L | mg/mL | µg/L | ppm | % | mEq/L Default value mol/L Comment Entry 24 characters maximum Titer Titer of the titrant. –999999999 to 9999999999 Input range 1.000 Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 60 This button is only displayed for Type = IEU or EU. Defining the properties of the exchange unit used (see chapter 8.5, page 52). [Titer options] Displaying the properties for titer determination (see chapter 8.7, page 58). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 61: Monitoring The Working Life

    Display message | Document message | Cancel determination Default value Display message For all three options it is documented in the deter- mination data (see dialog More determination data / Messages), that the time interval has been expired. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 62: Dosing Unit

    Entry 24 characters maximum Default value empty Serial number Serial number of the exchange or dosing unit. It will be read out automati- cally on units with integrated data chips. Entry 8 digits maximum ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 63: Parameters For Preparing (Prep) And Emptying (Empty)

    The EMPTY function empties the cylinder and the tubings of the dosing unit. Dosing port PREP/EMPTY Dosing port through which the cylinder contents are ejected. Selection Dosing port 1 | Dosing port 2 | Fill port | Spe- cial port Default value Dosing port 1 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 64 Rate used for the aspiration and ejection of the reagent via the special port. Input range 0.01 to 166.00 mL/min Selection maximum Default value maximum maximum The maximum dosing rate depends on the cylinder volume (see chap- ter 32.2, page 493). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 65: Tubing Parameters

    Port Port to be used as dosing port 2 for the PREP and EMPTY functions (see figure 8, page 51). Selection Port 1 | Port 2 | Port 3 | Port 4 Default value Port 3 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 66 Port to be used as special port for the PREP and EMPTY functions (see figure 8, page 51). Selection Port 1 | Port 2 | Port 3 | Port 4 Default value Port 4 Length Length of the tubing. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 67: Figure 8 Dosing Unit - Port Assignment

    The default definition of this port is the fill- Air is suctioned through this port during the ing port. A riser tube is usually mounted to Emptying function. Port 3 The default definition of this port is dosing port 2. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 68: Shift Direction Of The Valve Disk

    Define a protected port if the valve disc is not to be rotated over this port (useful with pipetting functions). The protected port can, however, be moved to directly. Selection 1 | 2 | 3 | 4 Default value Exchange unit Titrant: Edit ▶ Exchange unit ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 69 Defining the time interval for the GLP test (see chapter 8.6, page 56). [PREP param.] Entering the parameters for the preparation (see chapter 8.5.1, page 54). [Tubing param.] Entering the parameters for the connected tubing (see chapter 8.5.2, page 55). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 70: Parameters For The Preparation (Prep)

    Filling rate Rate at which the dosing cylinder is filled. 0.01 to 166.00 mL/min Input range maximum Selection maximum Default value maximum The maximum filling rate depends on the cylinder volume (see chapter 32, page 492). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 71: Tubing Parameters

    Diameter of the tubing. Input range 0.0 to 9.9 mm Default value 2.0 mm Reagent bottle Tubing to the reagent bottle (9-1). Length Length of the tubing. Input range 0.0 to 999.9 cm Default value 25.0 cm 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 72: Glp Test For Exchange Unit And Dosing Unit

    GLP test must be carried out again for the exchange unit or dosing unit. GLP test date Date on which the last GLP test was carried out. Format: YYYY:MM:DD ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 73 A message is displayed. You can select whether you want to continue with the determination or cancel the run. Document message In the determination data it will be documented, that the time interval has been expired. Cancel determination The determination is stopped. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 74: Titer Determination Options And Data

    Monitoring on | off (Default value: off) If this parameter is activated, then the titer validity will be monitored. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 75: Properties Of The Previous Titer Determinations

    Titer options / History. Titers that were deter- mined automatically will be displayed in green; manually entered titer val- ues will be displayed in black with the designation (m). You can delete these entries, e.g. if you have opened a new bottle. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 76 In this diagram, titer values are plotted against the date of the titer deter- mination. You can define warning limits (blue dashed lines) and interven- tion limits (red dashed lines). These limits will not, however, be monitored. [Limits] Define warning and intervention limits. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 77: Reagents

    The list of reagents gives the designation and type of each reagent. [New] Add a new reagent to the list, see following chapter. [Delete] Delete the selected reagent from the list. [Edit] Edit the data of the selected reagent, see following chapter. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 78: Editing Reagent Data

    Entry 24 characters maximum [Reagent monitoring] Set the parameters for the reagent monitoring, see following chapter. Reagent monitoring The conditions for the monitoring of the reagent are defined in the dialog Edit reagent / Reagent monitoring. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 79 This parameter is only visible for volumetric reagents. Volume of titrant dosed. 1.0 to 999.9 mL Input range Selection Default value Reagent capacity This parameter is only visible with coulometric reagents. Water capacity of the reagent. Input range 1 to 9999 mg 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 80 If a monitored parameter has reached the limit set, the method defined below is started automatically. Memory This parameter can only be edited with Reagent replacement = auto. Memory location the method is loaded from. All memory locations are selectable, even if they are currently not accessible. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 81 Method This parameter can only be edited with Reagent replacement = auto. Method used for emptying the titration cell. NOTICE Make sure that the memory is accessible. Entry 32 characters maximum Selection Selection of stored methods 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 82: Sensors

    The following sensor data is stored in the list of sensors: Name ￭ Each sensor in the system is identified by its unambiguous name. Calibration data (for pH electrodes, ISE electrodes and conductivity ￭ measuring cells only) ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 83: Adding A New Sensor

    Intelligent sensors (also known as iTrodes): ￭ If the 854 iConnect with iTrode is connected to a control instrument, then the sensor is automatically entered in the sensor list and can be configured, see following chapter. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 84: Editing The Sensor Data

    Order number of the sensor. With intelligent sensors it is read out auto- matically. Entry 24 characters maximum Default value empty Serial number Serial number of the sensor. With intelligent sensors it is read out auto- matically. 8 digits maximum Entry Comment Entry 24 characters maximum ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 85: Monitoring The Working Life

    If this parameter is activated, then the working life will be monitored. Working life If you define a time interval for the working life, then the Expiry date will be tracked automatically. Input range 1 to 999 days Default value 999 days 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 86: Calibration Data (For Ph- And Ise Electrodes And Con- Ductivity Measuring Cells Only)

    In the determination data it will be documented, that the time interval has been expired. Cancel determination The determination is stopped. 10.4 Calibration data (for pH- and ISE electrodes and con- ductivity measuring cells only) Sensor: Edit ▶ Calibration data ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 87 This parameter is only visible with ISE electrodes. The variance is only calculated, if the calibration has been carried out with at least three standards. Cell constant This parameter is only visible for conductivity measuring cells. Cell constant. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 88: Properties Of The Previous Calibrations

    The type and the serial number of the measuring input with which the calibration was carried out. [Initial data] This button is only displayed for intelligent sensors. Display the initial calibration data determined at the time of the Metrohm quality control. [GLP test] This button is displayed only for pH electrodes.
  • Page 89 Sensor: Edit ▶ Calibration data ▶ GLP test In the dialog Calibration data / GLP test, you can define the time inter- val after which a GLP test must be carried out again for the sensor. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 90 A message is displayed. You can select whether you want to continue with the determination or cancel the run. Document message In the determination data it will be documented, that the time interval has been expired. Cancel determination The determination is stopped. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 91: Limit Values For The Calibration Data

    Input range 96.0 % Default value ISE electrodes: Input range –999.9 to 999.9 mV The default value depends on the charge of the ion: –25.0 mV (–2), –55.0 mV (–1), 55.0 mV (+1), 25.0 mV (+2). 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 92 –2000.0 to 2000.0 mV Default value –2000.0 mV Upper limit Input range –2000.0 to 2000.0 mV Default value 2000.0 mV Monitoring cell constant on | off (Default value: off) This parameter is only available for conductivity measuring cells. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 93: Monitoring The Calibration Interval (Only For Ph And Ion-Selective Electrodes And Conductivity Measuring Cells)

    Next calibration If you define a date for the next calibration, then the Calibration inter- val will be tracked automatically. Format: YYYY:MM:DD Action Selection of the action which is carried out when the time interval has expired. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 94 A message is displayed. You can select whether you want to continue with the determination or cancel the run. Document message In the determination data it will be documented, that the time interval has been expired. Cancel determination The determination is stopped. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 95: Device Manager

    Add a new device to the list (see chapter 11.1, page 80). [Delete] Delete the selected device from the list. NOTICE Devices which are recognized automatically cannot be deleted from the list while they are still connected. [Edit] Configure the selected device (see chapter 11.2, page 80). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 96: Adding A New Device

    The description of the individual instruments can be found in the follow- ing specific chapters: Touch Control (see chapter 11.3, page 81) ￭ Metrohm control instruments (see chapter 11.4, page 87) ￭ Sample Processor (see chapter 11.5, page 92) ￭...

  • Page 97: Touch Control

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 11 Device manager 11.3 Touch Control Instrument list: 900 Touch Control ▶ Edit Device name This designation is used for identification purposes when selecting control devices (command, manual control). Entry 24 characters maximum Comment Entry 24 characters maximum Switch off display If this time interval has expired without the Touch Control having been operated, then the display will be switched off.

  • Page 98: E-Mail

    Configuring e-mail dispatch Proceed as follows so that messages can be sent as e-mails: 1 Activating the option In the instrument properties of the 900 Touch Control, tap on the ￭ [E-mail] button. In the Edit device / E-mail dialog, activate the Send the fol- ￭...

  • Page 99: Pc/Lims Report

    Mail server Address of the mail server for outgoing mail, e.g. mail.metrohm.ch. You can find the address of the mail server either in your e-mail program set- tings or obtain it from your IT department.

  • Page 100: Shared Memory

    ASCII code (e.g. Russian, Chinese, Korean, etc.). 11.3.3 Shared memory 900 Touch Control: Edit ▶ Shared memory If you have your Touch Control connected to your network, then you can specify in this dialog a shared memory location on a PC within your net- work for the purpose of saving data (methods, determinations, etc.).
  • Page 101 Leave the field empty if the computer is not located within a domain. Entry max. 32 characters Default value empty User User name of the user authorized to access the shared memory location. max. 32 characters Entry empty Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 102: Tcp/Ip Settings

    11.3.4 TCP/IP settings 900 Touch Control: Edit ▶ TCP/IP settings If you have connected your Touch Control to your network, then you have to define the network-relevant settings in this dialog. The Touch Control requires an IP address so that it is identifiable on the network. The Touch Control can acquire the IP address either dynamically from a DHCP server or you can enter the address directly.

  • Page 103: Metrohm Control Instruments

    This parameter cannot be edited. NetBIOS name Unambiguous designation of the device within the network. This parame- ter cannot be edited. 11.4 Metrohm control instruments The following Metrohm devices can be used as control instruments: Titrandos ￭ Sample Processors ￭ 846 Dosing Interface ￭...

  • Page 104: Properties - Control Instrument

    11.4 Metrohm control instruments ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ Remote Box). If the control instrument is not connected, then the proper- ties dialog of the control instrument will be displayed directly (see chapter 11.4.1, page 88). [Properties] Open the properties dialog of the highlighted entry.
  • Page 105 These characteristics are listed in the specifications of the sensor. Selection Pt1000 | NTC Default value Pt1000 R (25 °C) This parameter can only be edited with Type = NTC. Nominal resistance of the NTC sensor at 25 °C. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 106: Properties - Msb Connector

    Input range 1000 to 99999 ohm Default value 30000 ohm The default value applies to Metrohm sensors with an NTC sensor. B value This parameter can only be edited with Type = NTC. Material constant of the NTC sensor. B values of NTC sensors are fre- quently based on different reference temperatures (usually 25 °C and...

  • Page 107: Properties - Peripheral Devices

    Type ￭ The display includes the device number, e.g. "800" (Dosino) or "804" (Ti Stand) Serial number ￭ In the case of the 700 Dosino and the 685 Dosimat, the serial number cannot be read out. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 108: Sample Processor

    We recommend to carry out a service after 1,000 operating hours. A reset of the running time meter can only be carried out by a Metrohm service engineer. [Properties] Open the properties dialog of the highlighted entry. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 109: Properties - Sample Processor

    Do not modify and save these settings under any circumstances. This data is required by the service engineer in case of positioning problems. 11.5.2 Properties – Tower Instrument list: Sample Processor ▶ Edit ▶ Tower 1/2 ▶ Properties 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 110 If the lift is to be moved to the work position, a check is made to see whether the beaker radius defined for the attached rack (see "Beaker radius samples", page 102) is less than this value. Selection Default value No check takes place. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 111: Properties - Swing Head

    [Ext. pos. 1-4] Edit the settings that apply for all external positions (see "Properties – External positions 1-4", page 96). [Robotic arm] Edit the robotic arm settings (see "Properties – Robotic arm", page 97). 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 112 The maximum stroke path is defined in the properties of the tower (see "Maximum stroke path", page 94). Rinse position Lift position used for rinsing. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 113 Useable swing range of the robotic arm. Each robotic arm model displays a different value on the basis of its construction. The range can also be reduced if necessary. You will find the required values in the leaflet for the robotic arm. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 114 The swing direction of the robotic arm depends on its type. For a 2-tower model, the robotic arm must be defined as right-swinging on Tower 1 and as left-swinging on Tower 2. Selection + | - Default value Left-swinging. Right-swinging. Properties – External position Swing Head: Properties ▶ Edit ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 115 A lift position of 0 mm corresponds to the "home position", i.e. the lift is located at the upper stop position. The maximum stroke path is defined in the properties of the tower (see "Maximum stroke path", page 94). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 116: Sample Racks

    The following data is displayed in the list: Rack ￭ Name of the sample rack. Metrohm standard racks are designated by their order numbers. Positions ￭ Number of positions on the rack.
  • Page 117 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 11 Device manager Loading the sample rack When you receive the file for a new sample rack from your Metrohm rep- resentative, you can easily import this file into your existing system. Pro- ceed as follows: 1 Copying the file to an external storage medium Copy the file to a subdirectory of "Files".

  • Page 118: Editing Rack Data

    Actual radius of the sample vessels at the general sample positions of the rack. This beaker radius may not be less than the minimum beaker radius defined in the tower properties (see "Min. beaker radius," page 94). If the ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 119 The rack offset is a production-related tolerance value between the upper and lower sections of the rack. This value is determined when the rack is adjusted and is displayed here. It can be changed if necessary. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 120 These lift positions can also be assigned directly in manual control after moving to the desired lift height (see chapter 28.7.1, page 270). Work position At this lift position the electrodes, stirrer and buret tips are optimally posi- tioned for work. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 121 The maximum stroke path is defined in the properties of the tower (see "Maximum stroke path", page 94). Editing special beakers Sample rack list: Rack ▶ Edit ▶ Special beakers 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 122 1. Rack positions defined as special beakers can no longer be used as sample positions. Input range 0 to 'maximum number of rack positions' ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 123 A Swing Head with beaker sensor must be mounted. In addition, a suitable work position must be defined for the lift, so that the robotic arm touches the sample vessel. The work position is moved to for the purpose of beaker detection. No check takes place. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 124: Rack Adjustment

    Now use the arrow keys [⇦] and [⇨] to rotate the rack so that ￭ the robotic arm or the center of the titration head is positioned exactly above the center of rack position 1. Finish the adjustment with [OK]. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 125: Printer

    CUSTOM NEOS Due to the narrow paper size, only reports marked with # in the "List of all printable reports" (see chapter 27.3, page 246) can be printed. The reports will not be printed out on paper. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 126: Pdf Settings

    All three memory locations are listed as possible selections, even if they cannot be accessed at the moment. Selection off | External memory 1 | External memory 2 | Shared memory Default value The report will not be saved as a PDF file. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 127: Network Printer

    Touch Control accordingly (see chapter 11.3.3, page 84), then the settings for the parameters Domain, User and Password will be applied and can then no longer be modified in this dialog. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 128 Leave the field empty if the computer is not located within a domain. Entry max. 32 characters Default value empty User User name of the user authorized to access the shared network printer. max. 32 characters Entry empty Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 129: More Options

    If this option is activated, then you can continue to work while the printer is printing. If this option is deactivated, then the Touch Control will be blocked while the printout is being produced. 11.8 Balance List of devices: Balance ▶ Edit 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 130 11.9, page 115). Selection COM 1 | COM 2 Default value COM 1 COM 2 The interface is disabled. The following table indicates the balance type that needs to be selected for the balance model: ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 131: Usb/Rs-232 Adapter

    NOTICE If you make changes to parameter settings in this dialog, then you must switch the Touch Control off and back on in order for the changes to take effect. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 132 In case of communication problems, try the software handshake (Soft- ware (XON/XOFF)). Selection none | Software (XON/XOFF) | Hardware (DTR/ CTS) Default value Hardware (DTR/CTS) Software (XON/XOFF) Use the software handshake when you send a PC/LIMS report via an RS-232 interface. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 133: Pc Keyboard

    Touch Control. Only the following keys on the PC keyboard have a function: Table 6 Key assignment Function in the editing dialog PC keyboard key [Cancel] [Esc] 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 134: Barcode Reader

    [F1] [F2] [F3] [F4] [F5] [F6] [F7] NOTICE The lettering of the USB keyboard may differ from above lettering, depending on the country-specific keyboard used. 11.11 Barcode reader List of devices: Barcode reader ▶ Edit ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 135 Selection Identification 2 | Sample size Active input field The character string is entered in the input field of the opened text- or number-input dialog. Method The character string is entered in the input field Method. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 136 This setting must match the setting on the barcode reader (see documentation for the barcode reader). Selection English US | German DE | French FR | Spanish ES | German CH Default value English US ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 137: File Manager

    PC, although unlike your PC, only one level is possible. NOTICE The file names must be unique for each memory location, i.e. you can- not save two files with the same name, even if they are in different groups. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 138 Display the list of all the files in the selected memory location. [Show files] Display the list of all the files in the selected group. [Rename] Rename the selected file (see chapter 12.1.2, page 123). [Properties] Display the file properties (see chapter 12.1.3, page 124). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 139: Copying A File

    Tap on the input field File name. ￭ The text editor opens. Enter a new file name (max. 32 characters) and confirm with ￭ [OK]. Tap on [OK]. ￭ The file is saved under the new name. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 140: File Properties

    The version number will be increased by one each time the file is saved. Size ￭ File size. Program version ￭ Program version of the software with which the file was last saved. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 141: External Storage Medium

    Storage capacity ￭ Total capacity of the storage medium. Used memory ￭ Storage capacity used on the storage medium. Free memory ￭ Free storage capacity on the storage medium. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 142: Figure 10 Directory Structure On The External Storage Medium

    PDF file. Profiles The identification profile is stored in this direc- tory. The directory will be created the first time an identification profile is generated. SwUpdates Files for software updates must be saved in this directory. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 143: Creating Backups / Restoring Data

    (see the following). Deselect the data sets which are not to be restored. ￭ Tap on [Load data]. ￭ The selected data blocks are restored. 3 Complete the restoration Switch the Touch Control off and on again. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 144 Current routine dialog settings (see Dialog options / Routine dia- log). Sample racks ￭ The sample racks present in the properties of the USB sample pro- cessor. Own subsequences ￭ All subsequences created and stored by the user. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 145: Glp Manager

    Create a list with your test tools (see chapter 13.2, page 130). ￭ Define a service interval for having routine maintenance carried out by ￭ a Metrohm service technician (see chapter 13.5, page 139). Define an interval for the regular performance of backups (see chapter ￭ 13.5, page 139).

  • Page 146: Automatic System Test

    If a result is shown in red, then an error occurred when the respective test was carried out. Switch the Touch Control off and back on again. If the error still occurs pleased notify Metrohm Service. Print report at system start...

  • Page 147: Glp Tests For Measurement And Titration

    Define the test method, the test results, etc. (see "Dialogs "GLP ￭ tests HW/SW / GLP test "Measurement"" and "GLP tests HW/SW / GLP test "Titration""", page 132). 3 Define the hardware used Tap on [Hardware]. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 148: Parameter Description

    Selection of configured users Test date Date on which the GLP was carried out. Format: YYYY:MM:DD Test result Result of the test. Selection Test OK | Test not OK Default value Test OK Comment 24 characters maximum Entry ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 149 Display message | Document message | Cancel determination Default value Display message For all three options it is documented in the deter- mination data (see dialog More determination data / Messages), that the time interval has been expired. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 150 1 | 2 Default value Dosing device Selection of the MSB connector to which the dosing device is connected. Every MSB connector will always be displayed. Selection 1 | 2 | 3 | 4 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 151: System Validation

    4 Enter statistical data Tap on [Test statistics]. ￭ Enter the statistical data for the last system validation (see ""Sys- ￭ tem validation / Test statistics" dialog", page 138). Tap on the fixed key [ ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 152: Parameter Description

    Enter a brief description, e.g. a summary of the SOP (standard operating procedure) according to which the system validation has been carried out. [Validation interval] Defining the time interval for the system validation (see "Dialog "System validation / Validation interval"", page 137). ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 153 Display message | Document message | Cancel determination Default value Display message For all three options it is documented in the deter- mination data (see dialog More determination data / Messages), that the time interval has been expired. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 154 0.00000 to 100.00000 % Default value empty % d rel Systematic deviation of the results. Input range 0.00000 to 100.00000 % Default value empty % a sys Systematic error. Input range 0.00000 to 9999999999.00000 Default value empty ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 155: System Monitoring

    Main dialog: System ▶ GLP manager ▶ Monitoring ▶ Service inter- In the dialog GLP manager / Service interval, you can define the time interval for the maintenance of the system by the Metrohm Service department. The service interval is checked each time the system is started.
  • Page 156 Next backup will be tracked automatically. Input range 1 to 999 days Default value 999 days Next backup If you specify a date for the next backup, then the Backup interval will be tracked automatically. Format: YYYY:MM:DD ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 157: Common Variables

    The designation and the value (including the unit) are displayed for every common variable in the list. [Delete] Delete the selected common variable from the list. [Edit] Edit the data of the selected common variable, see following chapter. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 158: Editing Common Variables

    % | mol/L | mmol/L | g/L | mg/L | mg/mL | mg/100 g | ppm | g | mg | µg | mL | µL | mg/ piece | °C | µg/min | mL/min | µL/min Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 159: Properties Of Common Variables

    Method status (only for automatic assignment from the determina- ￭ tion run) Determination status (only for automatic assignment from the ￭ determination run) Last assignment ￭ Date and time of the last assignment. User ￭ User who assigned the value to the common variable. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 160: Monitoring Validity

    (see dialog More determination data / Messages), that the time interval has been expired. Display message A message is displayed. You can select whether you want to continue with the determination or cancel the run. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 161: Assigning A Result Automatically To A Common Varia- Ble

    [Edit]. The editing dialog of the result is displayed. 2 Define result options Tap on the [Result options] button. ￭ Activate the parameter Save as common variable. ￭ Define Variable = CV01…CV25. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 162 14.4 Assigning a result automatically to a common variable ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 3 Saving the settings Tap on the fixed keys [ ] or [ In the future, the calculated result will be assigned to the selected common variable (result name, value and unit). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 163: Templates

    Define customized limit values for the electrode test of pH electrodes. 15.1 Sample data Main dialog: System ▶ Templates ▶ Sample data You can create the following templates in the dialog Templates / Sam- ple data: 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 164: Sample Identification List

    If this parameter is activated, then the sample identification will be reques- ted automatically at the start of a determination. 15.1.1 Sample identification list Main dialog: System ▶ Templates ▶ Sample data ▶ Sample identi- fication list ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 165: Sample Assignment Table

    Add a new sample identification to the list. [Delete] Delete the selected sample identification from the list. [Edit] Change the designation of the selected sample identification. 15.1.2 Sample assignment table Main dialog: System ▶ Templates ▶ Sample data ▶ Sample assign- ment table 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 166 Method that is loaded when a sample with the above-specified identifica- tion is processed. You can also enter a method that does not yet exist in the selected memory. When a determination is started there is a check whether the method is available. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 167: Custom Result Templates

    [New] Add a new result template to the list, see following chapter. [Delete] Delete the selected result template from the list. [Edit] Edit the data of the selected result template, see following chapter. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 168: Editing Result Templates

    [Result options] Defining additional settings for the calculation. "Edit result template / Result options" dialog In the dialog Edit result template / Result options, settings for how to process the calculated result are defined. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 169 In all cases, only the single value will be saved, even if the statistics function is enabled. Variable Selection of the common variable to which the result is being assigned. Selection CV01 … CV25 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 170 The result is cut to the number of decimal places defined. Full precision The result is used with full accuracy (floating point number either in "single precision" (32 bit) or in "double precision" (64 bit), according to the standard IEEE 754). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 171: Input Lines

    Devices which only transmit a brief impulse cannot be controlled in parallel. Ready1 *******1 queries the "Ready" condition of Device 1. Ready2 **1***** queries the "Ready" condition of Device 2. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 172: Editing The Input Signal

    *******1 line 0 is expected to be active. NOTICE We recommend masking lines that are of no interest or for which no defined condition can be predicted with an asterisk (*). Entry Bit pattern of exactly 8 characters Default value ******** ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 173: Output Lines

    Meter Mode I *********0100* switches the 780/781 pH/Ion meter to voltametric measurement with polarization current and starts the measurement. Meter Mode pH *********0001* switches the 780/781 pH/Ion meter to pH mea- surement and starts the measurement. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 174 In the case of the 780/781 pH/Ion meter, a result report is triggered. [New] Add a new output signal to the list, see following chapter. [Delete] Delete the selected output signal from the list. [Edit] Edit the data of the selected output signal, see following chapter. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 175: Editing The Output Signal

    (*). Bit pattern of exactly 14 characters Entry ************** Default value Pulse length Duration of the sent pulses. Input range 100 to 1000 ms Default value 200 ms 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 176: Custom Calibration Buffers

    "Technical specifications" chapter for the control instrument used. Input range –20.000 to 20.000 Selection Default value Buffer 2...5 pH See Buffer 1 pH. [Temp. table] Display the temperature table for the selected buffer, see following chap- ter. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 177: Defining Calibration Buffers

    The values that are actually measurable may vary from the values specified here, depending on the hardware. The binding measurement value ranges can be found in the "Technical specifications" chapter for the control device used. Input range –20.000 to 20.000 Selection Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 178: Report Header

    Applying the custom logo You can create a graphics file of your own and use it as a logo in the report header in place of the Metrohm logo. NOTICE Observe the size of the graphics object. The maximum size of your graphics file is 64 kB.

  • Page 179: Custom Electrode Type

    ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 15 Templates 2 Copying the file to an external storage medium Copy the file "CustomImage.jpg" to the directory "900". ￭ If this structure is not maintained, the file will not be found because the software directly accesses the "900" directory.

  • Page 180: Limit Values For The Electrode Rating

    Input range 0.1 to 9.9 mV/min Default value 2.0 mV/min for good electrodes: Input range 0.1 to 9.9 mV/min Default value 2.5 mV/min for usable electrodes: Input range 0.1 to 9.9 mV/min Default value 3.0 mV/min ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 181 ±1 mV of this com- parison value. for very good electrodes: Input range 0 to 999 s Default value 45 s for good electrodes: Input range 0 to 999 s Default value 50 s 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 182 15.7 Custom electrode type ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ for usable electrodes: Input range 0 to 999 s Default value 60 s ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 183: Methods

    Select the desired template and tap on [Load template]. ￭ The method is now loaded. New method is displayed in the main dialog in the title line. If a new method has been created, then the individual parameters can be modified with [Edit parameters]. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 184: Saving A Method

    2 Modifying/applying the method name Tap on [Save method]. ￭ A method name will be suggested for new methods. If the method has already been saved once, then the method name will be displayed. Applying the name: ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 185: Loading A Method

    121). If only one group is available, then the method table will be displayed directly. Select the group with the desired method. ￭ Tap on [Show files]. ￭ The method table with the stored methods opens: 2 Selecting the method Select the desired method. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 186: Editing A Method

    Save the current method (see chapter 16.2, page 168). [Method options] Define various settings which refer to the entire method, e.g. statistics, automatic saving of determinations, settings for sample data, etc. (see chapter 16.5, page 172). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 187: Inserting A Command

    ￭ tions Inserting a command To insert a command in a method, proceed as follows: 1 Open the command overview In the main dialog, tap on [Edit parameters]. ￭ Tap on the [Insert command] button. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 188: Method Options

    The following settings are available: Activate/deactivate statistics calculations ￭ Save determination automatically ￭ Sign a method electronically ￭ Check the method when the determination starts ￭ Define a fixed sample size ￭ etc. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 189: Start Options

    Start options Main dialog: Edit parameters ▶ Method options ▶ Start/Stop options ▶ Start options In the dialog Method options / Start options, you can configure the functions which are carried out when a determination is started. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 190 Definition of the sample rack which must be attached at the time of the method start. This ensures that the method will be carried out only with this sample rack. NOTICE The sample rack can however only be checked if theRack reset option is activated. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 191: Stop Options

    If this option is activated, then all of the connected pumps will be switched off. Switch off stirrers on | off (Default value: on) If this option is activated, then all of the connected stirrers will be switched off. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 192: Sample Data

    Main dialog: Edit parameters ▶ Method options ▶ Sample data You can define the following method-specific settings in the dialog Method options / Sample data: Modify the designation for the sample identifications ￭ Define a fixed sample size ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 193 This parameter can only be edited when Fixed sample size is activated. Input range –999999999 to 9999999999 Default value Unit of sample size. Selection g | mg | µg | mL | µL | pieces Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 194 Tap on the input field Identification 1. ￭ The text editor opens. Change the designation in Batch and confirm with [OK]. ￭ Deactivate the parameter Identification 2. ￭ 2 Define a fixed sample size Activate the parameter Fixed sample size. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 195 (see chapter 24.2, page 218). Monitoring sample size limits on | off (Default value: off) If this parameter is activated, then the sample size will be monitored. Lower limit Input range –999999999 to 9999999999 Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 196: Method Properties

    The current method has been modified. – reviewed The current method has been signed at level 1. – released The current method has been signed at level 2. Created by ￭ User who created the method. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 197 Comment for the signing of the method. [Delete signature] Delete all of the signatures for the method or the determination. This but- ton is inactive if level 2 has not yet been signed (see chapter 17.2, page 185). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 198: Note

    The determination will be saved in a shared directory on the network. The shared directory is selected in the Edit device / Shared memory dialog (see chapter 11.3.3, page 84). Group Directory where the determination will be saved. Entry 32 characters maximum ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 199 File name-Date-Time.txt. If the value of the parameter File name contains one or more of the following characters, then these will be automatically converted in the file name into the char- acter "_": / \ : * ? " < > |. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 200: Electronic Signatures

    If the method has been signed three times at level 1 or already once at level 2 then only level 2 can be selected. User Identification of the user who signs. Password Password of the user. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 201: Deleting Electronic Signatures

    (see chapter 7.3.6, page 38). Selection Selection of configured reasons Comment Entry 24 characters maximum [Delete signature] Delete all the signatures for the method or the determination. The method is assigned the status saved. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 202: Control

    Sample table on | off (Default value: off) If this option is activated, the sample data for a sample series can be entered in a table (see chapter 21, page 197). ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 203 This way, a method or a sample table can be started with one single mouse click. [Delete table] Delete the sample table completely. [Reset autostart] Reset the value of the autostart counter to zero. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 204 4 Load the last determination of the sample series Reload the previously saved last determination. ￭ The determination, the method used for it and the current statistical data are loaded. The option Statistics is activated again and the ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 205 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 18 Control value of the statistics counter corresponds to that in effect before the interruption. 5 Continuing the sample series Carry out the remaining determinations in the sample series. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 206: Favorites

    – in the dialog Control for the user who is logged in. Operation without login function: ￭ If you are working without the login function, common favorites can be created. These favorites are available for all users. Common favor- ites are created in the Control dialog. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 207: Creating Favorites

    [New] Add a new favorite to the list, see following chapter. [Delete] Delete the selected favorite from the list. [Edit] Edit the properties of the selected favorite, see following chapter. 19.1.1 Editing favorites 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 208 Method / Sample table Method or sample table of the favorite. Selection of stored methods/sample tables Selection [More options] Parameterize the autostart function, see following chapter. More options The autostart function is parameterized under [More options]. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 209 This option can only be edited when Autostart is activated. Number of automatic starts. Input range 1 to 9999 Default value Selection Table Table The number of automatic starts corresponds to the number of samples in the sample table. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 210: Sample Data

    Sample identification. The sample identification can be used in calculations as the variable CI1. If you have defined a sample identification list (see chapter 15.1.1, page 148) then the entries can be selected here. Entry 24 characters maximum Default value empty ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 211: Requesting Sample Data At The Start Of The Determina- Tion

    Requesting sample data at the start of the determi- nation The sample data can be automatically requested immediately after the start of the determination in order to ensure that the sample data entry is not forgotten. This automatic inquiry is requisite for reweighing. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 212 If a fixed sample size has been defined in the method (see chapter 16.5.3, page 176), then it will be displayed at the time of the entry but it will not be editable. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 213: Sample Table

    In the main dialog, tap on [Control]. ￭ The control dialog is displayed: 2 Activating the sample table Activate the Sample table option. ￭ Tap on the fixed key [ ￭ The main dialog is displayed: 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 214 (see "Saving a sample table", page 199). [Properties] Edit the properties of the sample table (see chapter 21.3, page 202). [Insert line] Insert a new line above the line selected. [Delete] Delete the selected line from the sample table. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 215 Entering a new name: Tap on the input field File name. ￭ The text editor opens. Enter a new file name (max. 32 characters) and confirm with ￭ [OK]. Tap on [Save]. ￭ The sample table is saved. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 216: Editing Sample Data

    The list with the saved sample table is opened. 2 Select the sample table Select the desired sample table. ￭ 3 Loading a sample table Tap on [Load]. ￭ The sample table is now loaded. 21.2 Editing sample data ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 217 6 characters maximum Selection g | mg | µg | mL | µL | pieces Default value Unit defined in method: The unit defined in the method is ignored. The unit entered in the sample table is used. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 218: Properties

    Default value Internal memory Shared memory Shared directory in the network. Display in table Selection of the columns to be displayed in the sample table. Method | Identification 1 | Identification 2 Selection Identification 1 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 219 Identification 2 ￭ Sample size ￭ "Properties / Editing options" dialog Sample table: Properties ▶ Editing options In this dialog, you can define the settings so that the input of the sample data becomes simpler and faster. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 220 ￭ Identification 2 ￭ Sample size ￭ Dialog "Properties / Identifications" Sample table: Properties ▶ Identifications In the dialog Properties / Identifications, you can alter the designations for the sample identifications in accordance with specific methods. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 221: Determination Run

    3 Entering the sample size Tap on the input field Sample size in the dialog. ￭ The number editor opens. Enter the sample size and confirm with [OK]. ￭ 4 Starting a determination Tap on the fixed key [ ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 222: Performing A Sample Series

    The statistics calculations are enabled in the method options (see chap- ter 16.5, page 172). Sample table ￭ You can enter the sample data for an entire sample series in the sample table (see chapter 21, page 197). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 223: Canceling Determinations Manually

    186), the entire series will be canceled. NOTICE If you do not wish to cancel the entire determination, but only the cur- rent command, use the function [Cancel command] in the live display. The subsequent method commands are carried out normally. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 224: Live Modifications

    3 Display the live dialog Tap on [Live display]. ￭ The live dialog is displayed once again. NOTICE Make sure that the input dialogs are closed before the determination is ended. Otherwise the determination will have to be recalculated. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 225: Editing The Sample Table While A Determination Is Running

    In addition to the sample data, the method can also be modified, except in cases where the determination is running. 4 Display the live dialog Tap on the fixed key [ ￭ The main dialog is displayed. Tap on [Live display]. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 226: Live Display

    Switch to the main dialog in order to edit the sample data. [Edit parameters] ￭ Edit the method options and live parameters (see chapter 23.4, page 212). [Results] ￭ Display the results dialog (see chapter 24, page 214). Dialog "View" Main dialog: Live display ▶ View ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 227 Define the settings for the curve display (see "Curve options", page 228). The settings are saved separately for each titration/measuring mode and apply not only for the live display but also for the curve display in the results dialog. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 228: Live Parameters

    [Edit command] is enabled only for those commands for which the live parameters can be edited. All of the functions except for the method properties can be edited with [Method options]. Select the desired method command. ￭ Tap on [Edit command]. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 229 2 Edit the method parameters Change the desired parameters accordingly. ￭ 3 Display the live dialog Tap on the fixed key [ ￭ The main dialog is displayed. Tap on [Live display]. ￭ The live dialog is displayed once again. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 230: Results And More Determination Data

    Open result table (see chapter 26, page 236). The result table is a table in which the results for several determinations can be saved. [Statistics] Display the statistical overview of a determination series (see chapter 25, page 231). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 231: More Determination Data

    Results / More deter- mination data dialog. [Load/ Save] Load saved determinations(see chapter 24.5, page 222) and save current determination (see chapter 24.6, page 227). [Properties] Display the properties of the current determination (see chapter 24.4, page 219). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 232: Details

    (available only with loaded determinations) Display titrant data which was valid at the time of the determination (see "Calibration and titrant data", page 218). [Endpoint details] Display details for each endpoint found (see "Endpoint details", page 217). ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 233 View data / Endpoint details dialog. The volume, the measured value, the equivalence point criterion ERC (only DET, MET), the time and the temperature are specified for each equiva- lence point or endpoint determined. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 234: Messages

    If messages occurred during a determination, they will be displayed in the More determination data / Messages dialog. The following data for the message is indicated under [Details]: Message number ￭ Unique identification number. Time ￭ Moment that the message occurred. Message ￭ Message text. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 235: Local Common Variables

    This value, just like the sample number, is increased by one each time a determination starts. In contrast to the sample number, this value can- not be modified by the user. Duration determ. ￭ Duration of the entire determination. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 236 The following data is displayed only if the option Recalculating deter- mination under Login options / Modification options is activated: Recalculated by ￭ User who recalculated the determination. Recalculated on ￭ Date and time at which the determination was recalculated. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 237 2 has not yet been signed (see chapter 17.2, page 185). [Sign] Sign the method or determination. This button is active only when work- ing with activated login function and password (see chapter 17.1, page 184). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 238: Loading A Determination

    The determination list with the stored determination opens: 2 Selecting a determination Select the desired determination. ￭ 3 Loading the determination Tap on [Load]. ￭ The determination is now loaded. The properties are displayed in the results dialog. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 239: Determination List

    (see "Filter criteria", page 225). [Previous 100] Display the previous 100 determinations. [Next 100] Display the next 100 determinations. [Properties] Configure the display of the columns and define filter criteria. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 240 Selection of what is to be displayed in the second column. Selection Result 1…9 The numbering of the results corresponds to the order in which the results were calculated in the determination run. Sort by Selection according to which criterion the list is to be sorted. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 241 Determination list: Properties ▶ Filter You can set filters in the Properties / Filter dialog. A filter is a rule defin- ing what is to be displayed in the determination list. If a filter has been set, 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 242 NOTICE The filter can be applied to empty fields as well, for example, if no sam- ple identification has been entered. In this case, select only the desired filter criterion and leave the fields below empty. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 243: Saving A Determination

    Titrant data of the titrant used ￭ Calibration data of the sensor used ￭ 24.7 Curves Results dialog: Curve The curve of the current determination is displayed in the Results / Curve dialog. You can configure the curve display. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 244 Quantity which is shown on the x axis of the graph. Selection Volume | Measured value | ERC | Delta meas.value | Time | Temperature | Volume drift | Signal drift y1 axis Quantity which is shown on the y1 axis of the graph. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 245: Recalculation And Reevaluation

    Neither the recalculation nor the reevaluation can be undone. We therefore recommend that the original determination be saved beforehand (see chapter 24.6, page 227). The best way of doing this is to use the Save determination automatically function (see chapter 16.5.6, page 182). 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 246 If you modify the titrant retroactively in the method, this will not be taken into account. The recalculated results of loaded determinations are not saved in the result table. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 247: Statistics

    Activate the Statistics option. ￭ Under Number of determinations, enter the desired number of ￭ determinations. The results for which statistical calculations are performed are defined in the calculation command CALC (see "Variable for mean value", page 153). 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 248 Add a further determination to the determination series (see chapter 25.3, page 234). [Details] Display the statistics results for the selected result and the single results from all determinations, see next chapter. NOTICE If you recalculate a determination, the statistics for this determination are also recalculated. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 249: Displaying Details For A Result

    All of the entries of this line are marked with an asterisk (*), the statistics will be recalculated automatically. [Result on/off] Remove the selected result from the statistics. The result is marked with an asterisk (*), the statistics will be recalculated automatically. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 250: Deleting Statistical Data

    The number of determinations by which the set statistics counter has been increased is shown above the list in brackets. This modification is also dis- played in the main dialog and in the statistics report. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 251 ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭ 25 Statistics NOTICE The number of samples defined in the method options does not, how- ever, change as a result. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 252: Result Table

    Load a saved result table (see chapter 26.3, page 241) or save the current result table (see chapter 26.2, page 241). [Properties] Configure the display of the columns and define filter criteria. [Delete all] Delete the result table completely. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 253: Properties

    Column 1 Selection of what is to be displayed in the first column. Selection Identification 1 | Identification 2 | Determ. time | Result name | Method | Sample size | User Identification 1 Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 254 If the result table contains the quantity of lines defined here, then no fur- ther results can be saved. If this is the case, save the result table and cre- ate a new one. Input range 10 to 200 Default value [Filter] Specify the filter criteria for the list. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 255 In the input field is equal to, select or enter the second sample identi- fication according to which filtering is to be carried out. Date In the input fields Date from … to, specify the period of time accord- ing to which filtering is to be carried out. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 256 Touch Control. Start a new sample series on | off (Default value: off) If this option is activated, then the result table will be deleted when you start a new sample series (with activated autostart function!). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 257: Saving The Result Table

    The list with the saved result tables opens. 2 Selecting the result table Select the desired result table. ￭ 3 Loading the result table Tap on [Load]. ￭ The result table is now loaded and will be displayed immediately. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 258: Printing

    Activate the "Print Screen" function. The current screen contents will be printed out the next time the fixed key [ ] is tapped on. [Report options] Defining the general settings for the report output. [Clear spooler] Delete all outstanding printing orders. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 259 [System reports] Opening the list of reports for the system settings. NOTICE If you are using a CUSTOM NEOS printer, you cannot print system reports. [Method reports] Opening the list of reports for the current method. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 260: General Report Options

    Default value on each page The report header will not be printed. once The report header will only be printed on the first page. on each page The report header will be printed on every page. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 261: Settings Of The Individual Reports

    Statistics overview ￭ Definition of the time at which the report is to be printed (with each determination or only at the end of a sample series). Sample table ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 262: List Of All Printable Reports

    Details for the monitored quantities (STAT, DOS only). Statistics Statistics short # Summary of the statistics calculations. The number of determinations, the mean value, and the absolute and rela- tive standard deviations are printed out for each result. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 263 All parameters which have been modified in comparison to the stored version of the method are indicated by an *. Modified parameters Method properties, all method parameters which have been modified in comparison to the stored version of the method. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 264 All of the sensor data of the selected sensor, context-sensi- tive only from the editing dialog. Device manager Device list List of all devices configured in the system. All device properties Properties of all the devices configured in the system. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 265 Custom calibration buffers Temperature tables for all defined custom calibration buf- fers. Rack tables Sample rack list List with all of the sample racks configured in the system, together with designation, number of positions and rack code. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 266: Manual Control

    The following dosing functions are available: Preparing the exchange unit or dosing unit ￭ Emptying the dosing unit ￭ Filling the dosing cylinder of the exchange unit/dosing unit ￭ Dosing a specified volume ￭ Dosing continuously ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 267: Opening And Closing The Manual Control

    Tap on the button for the desired function. ￭ If the function can be carried out by several devices, a dialog to select the device will appear first; otherwise the dialog for the selected function will appear immediately. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 268: Measuring

    System ▶ Sensors. Select the measuring input at which the sensor is connected. ￭ 2 Select a measuring mode Select the desired measuring mode. ￭ Only those measuring modes are displayed which are advisable for the selected sensor. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 269: Parameter Description

    Selection of configured sensors Selection Measuring input Selection of the measuring input the sensor is connected to. The selection depends on whether the control device has one or two measuring interfa- ces. Selection 1 | 2 Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 270 Input range 25.0 °C Default value [Temp. compens.] This button is available only with conductivity measurements. Edit the parameters for converting the measured conductivity to a refer- ence temperature. [Info sensor] Display information on the sensor. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 271 This parameter can only be edited with Temp. compensation = con- stant. Temperature coefficient belonging to the reference temperature entered above. With this temperature coefficient, the conductivity is converted to the reference temperature. 0.00 to 9.99 %/°C Input range 0.00 %/°C Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 272: Dosing

    For dosing devices of the type 6XX or 7XX only the cylinder volume is displayed. ￭ For exchange or dosing units which are not or not correctly attached. Manual busy ￭ When a dosing function is being carried out. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 273 We recommend always selecting the titrant. This ensures that the parameters defined for the titrant for the preparing are used. Titrants are defined under Sys- tem ▶ Titrants. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 274: Continuous Dosing

    Dose a specified volume (see chapter 28.3.2, page 260). [Dosing] Dose continuously (see chapter 28.3.1, page 258). 28.3.1 Continuous dosing Manual control: Dosing ▶ Dosing With the function [Dosing], dosing is continuous for as long as you hold the button [Dose] pressed down. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 275 Dosing rate Rate at which it is dosed. Input range 0.01 to 166.00 mL/min Selection maximum | dynamic Default value maximum maximum The maximum dosing rate depends on the cylinder volume (see chap- ter 32, page 492). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 276: Dosing Fixed Volumes

    NOTICE The dosing and filling rates should be decreased for viscous liq- ￭ uids. The maximum dosing and filling rates depend on the cylinder ￭ volume (see chapter 32, page 492). Enter the desired volume. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 277 The dosing cylinder is filled. The displayed volume value will be reset to 0.0000 mL. Parameter description Volume Volume which is dosed. 0.00000 to 99999.9 mL Input range 0.10000 mL Default value Dosing rate The rate at which dosing takes place. Input range 0.01 to 166.00 mL/min 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 278: Preparing

    (dosing unit only). If the titrant is not selected, default parameters will be used (see Chapter 32.2.2, page 493 and Chap- ter 32.3.2, page 494). The following two figures show the live display of an exchange unit and a dosing unit: ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 279: Emptying

    If the titrant is not selected, default parame- ters will be used (see Chapter 32.3.2, page 494 and Chapter 32.2.2, page 493). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 280: Filling

    The last traces of the reagent in the cylinder and tubings are removed with the solvent. 4 Execute the function [Empty] again. 5 Attach the dosing unit to the bottle with the new reagent. 6 Execute the function [Prepare]. The dosing unit can now be used. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 281: Stirring

    Setting the stirring rate. It can be set in steps of –15 to +15. The default setting 8 corresponds to 1000 rpm. The formula for calculating the rota- tional speed is specified in chapter 32.4, page 494. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 282: Conditioning A Titration Cell

    ￭ The method table with the saved methods is opened. Select the desired method. ￭ 3 Start the conditioning Tap on [Start]. ￭ The working medium is titrated to the endpoint. The status is kept stable. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 283: Parameter Description

    Inputs Current status of the input lines. Outputs Selection of the signal out of the templates or entering the required bit pattern. Templates are defined under System ▶ Templates ▶ Output lines. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 284: Sample Processor

    Moving the lift ￭ Defining specific lift positions (work position, rinse position, etc.) ￭ Switching pumps on and off ￭ Initializing the rack ￭ Defining external positions outside of the sample rack (only with Swing ￭ Head) ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 285 Continuously move the lift downwards as long as the button is pressed down. The lift rate used is defined in the dialog Sample Processor / Lift. [Previous] Move to the previous rack position. [Next] Move to the next rack position. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 286: Moving The Lift

    In the dialog Sample Processor / Lift, you can move the lift to any lift position. You can also define frequently used positions (work position, rinse position, etc.) as specific lift positions and then to move to them with ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 287 Special beaker positions ￭ A specific work position can be defined for each special beaker. The definitions of the general rack positions are used for the shift position, rinse position and special position of the affected tower. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 288: Moving To A Rack Position

    The Lift / Assign lift position dialog is displayed: Select the desired specific lift position and tap on [Assign]. ￭ The current lift position is assigned to the specific lift position. 28.7.2 Moving to a rack position Manual control: Sample Processor ▶ Rack position ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 289 20 °/s Shift direction Direction in which the rack is moved. Selection auto | + | - Default value auto auto A shift direction, with which the shorter way has to be passed, is auto- matically selected. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 290: External Positions

    External positions are required if you have, for example, a measuring ves- sel or a titration cell mounted in addition to the rack. Lift position Current lift position. Angle Current angle position of the robotic arm. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 291 External position 1…4 [Assign Ext. pos.] Assign the current angle position of the robotic arm to an external posi- tion as swing angle. [Assign lift pos.] Assign the current lift position to a preset lift position. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 292 Select Move to ext. pos. = External position X (X = 1…4) and ￭ tap on [Start]. The robotic arm swings to the desired position. 4 Move to lift position Move the lift to the desired height with the arrow keys [⇧] or [⇩]. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 293 Tap on [Assign lift pos.]. ￭ The Lift / Assign lift position dialog is displayed: Select the desired specific lift position. ￭ Tap on [Assign]. ￭ The current lift position is assigned to the specific lift position. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 294: Parameters

    Waiting time, e.g. for the electrode to settle down after the start or a reaction time after the dosing of a start volume. The time entered here is only running when all start conditions have been fulfilled. Input range 0 to 999999 s Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 295 Measuring mode pH: 00.000 to 9,999 pH/mL Input range Selection Default value Measuring mode U, Ipol: 0 to 999 mV/mL Input range Selection Default value Measuring mode Upol: 0 to 99 µA/mL Input range Selection Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 296 Min. waiting time The measured value is not accepted until the minimum waiting time has elapsed, even if the signal drift has already been reached. The minimum waiting time is only important for drift-controlled measurements. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 297: Titration Parameters

    The settings of the individual titration rates are listed in table 9, page 284. Temperature Temperature entered manually. The temperature is being continuously measured when a temperature sensor is connected and when Temp. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 298 The value should not be less than 1/100 cylinder volume. Input range 0.1 to 9999.9 µL Selection Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 299 Default value 50.0 mV/min Selection Measured value acceptance will take place after the maximum waiting time has elapsed. This can be useful when the titration reaction pro- ceeds slowly or the electrode is slow to respond. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 300 Signal drift – pH, U and Ipol 20.0 mV/min 50.0 mV/min 80.0 mV/min – Upol 20.0 µA/min 50.0 µA/min 80.0 µA/min Min. waiting time Max. waiting time 38 s 26 s 21 s ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 301: Stop Conditions

    Measuring mode Upol: Input range –200.0 to 200.0 µA Selection Default value Stop EP The titration is stopped when the specified number of equivalence points has been found. Input range 1 to 9 Default value Selection 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 302: Potentiometric Evaluation

    Input range 0 to 200 Default value EP recognition This parameter allows you to filter out only the equivalence points that are being sought. Selection all | greatest | last | ascending | descending | Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 303 When the list is opened for the first time, a window over the entire mea- sured value range or volume range is already defined. The windows must not overlap, they only may lie next to one another. For each window, own criteria can be defined for the equivalence point recognition. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 304 Default value 0.00000 mL Upper limit Measured value or volume for the upper limit. The values that are actually measurable may vary from the values specified here, depending on the hardware. The binding measurement value ranges ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 305 Only the last equivalence point will be recognized. ascending Only equivalence points with a positive slope of the titration curve will be recognized. descending Only equivalence points with a negative slope of the titration curve will be recognized. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 306: Figure 13 Equivalence Point Recognition And Equivalence Point Numbering Within

    [1] C. F. Tubbs, Anal. Chem. 1954, 26, 1670–1671. [2] E. Bartholomé, E. Biekert, H. Hellmann, H. Ley, M. Weigert, E. Weise, Ullmanns Encyklopädie der technischen Chemie, Vol. 5, Verlag Chemie, Weinheim, 1980, p. 659. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 307: Control Instrument

    The con- trol instruments do not have to be connected. This allows to transfer methods more easily from one system to another. Selection Selection of configured control instruments 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 308: Sensor

    The values that are actually adjustable may vary from the values specified here, depending on the hardware. The binding values can be found in the Technical specifications chapter for the control instrument used. –1,250 to 1,250 mV (Increment: 25) Input range 400 mV Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 309: Dosing Device

    Titrants are defined under Sys- tem ▶ Titrants. You can also enter a name which is not contained in the titrant list. When a determination is started there is a check whether the solution is contained in the list. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 310: Stirrer

    Input range –15 to 15 Default value Switch off automatically on | off (Default value: on) If this parameter is activated, the stirrer will be switched off automatically at the end of the titration, measurement, etc. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 311: Monotonic Equivalence Point Titrations (Met)

    The values that are actually measurable may vary from the values specified here, depending on the hardware. The binding measurement value ranges can be found in the "Technical specifications" chapter for the control instrument used. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 312 Rate to be dosed with until the start measured value or the start slope is reached. Input range 0.01 to 166.00 mL/min Default value 5.00 mL/min Selection maximum maximum The maximum dosing rate depends on the cylinder volume (see chap- ter 32, page 492). ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 313 If the signal drift has been switched off or has not yet been reached, then the measured value will be accepted when the maximum waiting time has elapsed. As default value, a suitable waiting time for the signal drift is automatically calculated. Input range 0 to 999999 s Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 314: Titration Parameters

    = automatic or continuous is defined (see sensor dialog of the command). This value is used for temperature correction in pH measurements. Input range –20.0 to 150.0 °C Default value 25.0 °C User-defined parameters These parameters are only accessible when Titration rate = user. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 315 The accuracy of the evaluation cannot be increased by using smaller increments as the measured value changes between two measuring points are then of the same order of magnitude as the noise. Input range 0.00005 to 999.900 mL Default value 0.10000 mL Dosing rate Rate at which the volume increments are dosed.
  • Page 316 As default value, a suitable waiting time for the signal drift is automatically calculated. Input range 0 to 999999 s Default value 26 s ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 317: Stop Conditions

    "Technical specifications" chapter for the control instrument used. Measuring mode pH: Input range –20.000 to 20.000 Selection Default value Measuring mode U, Ipol: Input range –2000.0 to 2000.0 mV Selection Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 318: Potentiometric Evaluation

    Default value maximum maximum The maximum filling rate depends on the cylinder volume (see chapter 32, page 492). 29.2.4 Potentiometric evaluation The parameters for the evaluation of the titration curve are defined under [Potentiometr. evaluation]. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 319 No evaluation takes place. Set windows This parameter allows to recognize equivalence points only in a particular range (so-called window) of the curve. Equivalence points outside this window will not be recognized. A maximum of 9 windows can be 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 320 The binding measurement value ranges can be found in the "Technical specifications" chapter for the control instrument used. Measured value (measuring mode pH): –20.000 to 20.000 Input range –20.000 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 321 The Equivalence point Recognition Criterion (ERC) found is compared with this value. Equivalence points whose ERC is less than the value defined here will be ignored. Measuring mode pH: Input range 0.10 to 9.99 Default value 0.50 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 322: Figure 15 Equivalence Point Recognition And Equivalence Point Numbering Within

    EP volumes. U/mV U/mV upper limit 1 EP window 2 EP window 1 EP window 1 lower limit 1 V/mL V/mL Figure 15 Equivalence point recognition and equivalence point num- bering within windows ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 323: Control Instrument

    Evaluation and equivalence point criterion with MET The equivalence points (EPs) are localized by a method based on the For- tuin method which has been adapted by Metrohm for numerical methods. A search is made for the largest measured value change ( ). The exact EP is determined by using an interpolation factor which depends on the Δ...

  • Page 324: Sensor

    Input range Default value 5.0 µA Selection –1.0 µA | 1.0 µA U(pol) The polarization voltage is the voltage applied to the polarizable electrode during an amperometric measurement. This parameter is available only with U(pol) determinations. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 325: Dosing Device

    The parameters for the dosing device are edited under [Dosing device]. Dosing device Selection of the MSB connector to which the dosing device is connected. Every MSB connector will always be displayed. Selection 1 | 2 | 3 | 4 Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 326: Stirrer

    The algebraic sign of the stirring rate changes the direction in which the stirring is done. When the stirrer is viewed from above, this means: "+": counterclockwise rotation ￭ "–": clockwise rotation ￭ Input range –15 to 15 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 327: Endpoint Titrations (Set)

    The [Initial meas. value] is measured before carrying out the start con- ditions. This value is used for the titration direction determination when the titration direction is set to auto and only 1 EP is defined. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 328: Control Parameters

    Input range 0 to 999999 s Default value 29.3.2 Control parameters The control parameters for endpoint 1 and endpoint 2 are defined under [Control parameters]. Endpoint 1 at Measured value for the first endpoint. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 329 Dynamics This parameter defines the control range before the specified endpoint. Individual volume steps are dosed in the control range; the dosing is finely controlled. The closer the endpoint, the slower the dosing until the dosing 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 330 This parameter has a decisive influence on the titration rate and thus also on the accuracy. The smaller the selected minimum rate, the slower the titration. Input range 0.01 to 9999.00 µL/min 25.00 µL/min Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 331 The titration is stopped when the endpoint has been exceeded during a certain period of time (Delay time). The titration will not be stopped until the stop conditions have been fulfilled. Stop drift This parameter can only be edited with Stop criterion = drift. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 332: Titration Parameters

    Minimum duration of the titration. The titration will not be stopped during the extraction time, even if the endpoint has already been reached. The titration is however stopped if a stop condition is fulfilled during this time ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 333: Stop Conditions

    The titration is stopped when the specified time has elapsed following the termination of the start conditions. Input range 1 to 999999 s Selection Default value Filling rate Rate at which the dosing cylinder is filled. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 334: Conditioning

    If the drift is known throughout a longer period of time, this can be entered manually. No drift correction takes place. Drift value This parameter can only be edited with Drift correction = manual. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 335 Otherwise, the conditioning will immediately start after the titration command. NOTICE This parameter must be activated if commands follow which must not run simultaneously with the conditioning. Example: Emptying the titration cell followed by adding new working medium. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 336: Cell

    The parameters for the sensor are edited under [Sensor]. Measuring input Selection of the measuring input the sensor is connected to. The selection is not dependent on whether the control device has one or two measur- ing interfaces. Selection 1 | 2 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 337 A check is made that the electrode is properly connected and that no short-circuit is present. The electrode check is carried out when this com- mand is started. Note that this electrode check has nothing to do with the electrode test (command ELT). 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 338: Dosing Device

    GLP test of the buret unit are checked at the start of the determination. Selection Selection of configured titrants | not defined Default value not defined not defined No check takes place. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 339: Stirrer

    The parameters that are carried out before the start of titration are defined under [Start conditions]. Pause 1 Waiting time, e.g. for the electrode to settle down before a start volume is added. Input range 0 to 999999 s Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 340 Measuring mode Ipol: Input range 0.1 to 999.0 mV/min Selection Default value Measured value acceptance will take place after the maximum waiting time has elapsed. Measuring mode Upol: Input range 0.01 to 99.90 µA/min Selection Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 341: Control Parameters

    Input range –200.00 to 200.00 µA Default value 25.00 µA Selection Titration rate Three predefined sets of parameters can be selected for the titration rate. Selection slow | optimal | fast | user Default value optimal 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 342 Input range 0.01 to 200.00 µA Default value 10.00 µA Selection Max. rate Rate at which dosing is carried out outside of the control range. Input range 0.01 to 166.00 mL/min Selection maximum Default value maximum ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 343 (depending on the cylinder volume). In contrast, if the stop drift is used, the titration will always be stopped at the same curve slope dV/dt. Selection drift | time | rel. drift | off Default value drift 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 344: Titration Parameters

    Under [Titration parameters], the parameters influencing the run of the entire titration are defined. Titration direction + | - | auto Selection The default value depends on the measuring mode: Ipol = -, Upol = + ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 345: Stop Conditions

    The titration is stopped when the specified volume has been dosed since the start of the titration. This volume should be adjusted to the size of the titration vessel in order to prevent the contents from running over. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 346: Conditioning

    For this, the drift is multiplied with the drift correction time and this value is then subtracted from the endpoint volume. The drift correc- tion time is the time interval between the end of conditioning and the end of the determination. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 347 Default value 20.0000 mL Selection Cond. stop time Maximum permissible time over which conditioning may take place. Con- ditioning is stopped when the specified time has elapsed. 1 to 999999 s Input range Selection Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 348: Cell

    Selection of the control instrument from the list of devices. Only those devices are displayed which are able to carry out the command. The con- trol instruments do not have to be connected. This allows to transfer methods more easily from one system to another. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 349: Sensor

    The values that are actually adjustable may vary from the values specified here, depending on the hardware. The binding values can be found in the Technical specifications chapter for the control instrument used. –1,250 to 1,250 mV (Increment: 25) Input range 400 mV Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 350: Dosing Device

    Titrants are defined under Sys- tem ▶ Titrants. You can also enter a name which is not contained in the titrant list. When a determination is started there is a check whether the solution is contained in the list. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 351: Stirrer

    Input range –15 to 15 Default value Switch off automatically on | off (Default value: on) If this parameter is activated, the stirrer will be switched off automatically at the end of the titration, measurement, etc. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 352: Coulometric Karl Fischer Titrations (Kfc)

    The closer the endpoint, the slower the iodine is generated until the rate defined under Min. rate is reached. The larger the control range, the slower the titration. Outside the control range, ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 353 The stop conditions (see chapter 29.5.3, page 339) always lead to a stop, even if the stop criterion has not been reached. Selection drift | time | rel. drift | off Default value rel. drift 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 354: Titration Parameters

    Under [Titration parameters], the parameters influencing the run of the entire titration are defined. Pause Waiting time, for example for dissolving the sample. During this time no iodine is generated. Input range 0 to 999999 s Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 355: Stop Conditions

    The titration is stopped when the specified time has elapsed since the start of the titration. Input range 1 to 999999 s Selection Default value 29.5.4 Conditioning The conditions required for conditioning are defined under [Condition- ing]. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 356 Drift for manual drift correction. Input range 0.0 to 99.9 µg/min Default value 0.0 µg/min Measured value display on | off (Default value: off) If this parameter is activated, the currently measured value is displayed during the conditioning. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 357 Delay reconditioning on | off (Default value: off) If this parameter is activated, the conditioning will not start before all the method commands have been processed. Otherwise, the conditioning will immediately start after the titration command. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 358: Cell

    Selection of the reagent from the list of reagents. The selection depends on the titration mode. Reagents are defined under System ▶ Reagents. Selection Selection of configured reagents | off Default value The reagent monitoring is not active. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 359: Control Instrument

    5 µA | 10 µA | 20 µA | 30 µA Default value 10 µA Electrode check on | off (Default value: off) For polarizable electrodes and the generator electrode, an electrode check can be carried out. The following will be tested: 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 360: Stirrer

    Setting the stirring rate. It can be set in steps of –15 to +15. The default setting 8 corresponds to 1000 rpm. The formula for calculating the rota- tional speed is specified in chapter 32.4, page 494. The optimum stirring rate can be tested in the manual control. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 361: Bromine Index Determination (Brc)

    For samples with slow bromine addition. optimal For all standard titrations. The parameters have been optimized for the most frequent applications. fast For uncritical samples with fast bromine addition. user The individual titration parameters can be modified. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 362 Default values for the predefined titration rates for BRC Titration rate slow optimal fast Dynamics 400.0 mV 400.0 mV 400.0 mV Max. rate 500.0 µg/min 1000.0 µg/min 2000.0 µg/min Min. rate 15.0 µg/min 25.0 µg/min 50.0 µg/min ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 363 This parameter can only be edited with Stop criterion = time or drift & time. When the endpoint has been reached, the specified time is allowed to elapse after the last dosing and the titration is then stopped. 0 to 999 s Input range 40 s Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 364: Titration Parameters

    25.0 °C Time interval MP Time interval for entering a measuring point in the measuring point list. The measuring point list is limited to 1000 measuring points. Input range 0.1 to 999999.0 s Default value 2.0 s ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 365: Stop Conditions

    For this, the drift is multiplied with the drift correction time and this value is then subtracted from the endpoint amount. The drift correction time is the time interval between the end of conditioning and the end of the determination. Selection auto | manual | off Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 366 Delay reconditioning on | off (Default value: off) If this parameter is activated, the conditioning will not start before all the method commands have been processed. Otherwise, the conditioning will immediately start after the titration command. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 367: Cell

    Selection of the reagent from the list of reagents. The selection depends on the titration mode. Reagents are defined under System ▶ Reagents. Selection Selection of configured reagents | off Default value The reagent monitoring is not active. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 368: Control Instrument

    The binding values can be found in the "Technical specifications" chapter for the control instrument used. Input range –125.0 to 125.0 µA (Increment: 2.5) Selection –1.0 µA | 1.0 µA Default value 1.0 µA ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 369: Stirrer

    The parameters for the stirrer are edited under [Stirrer]. Stirrer Selection of the MSB connector the stirrer is connected to. Every MSB connector will always be displayed. Selection 1 | 2 | 3 | 4 | off Default value No stirrer will be used. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 370: Stat Titrations (Stat)

    Volume that is dosed prior to the start of the titration. Input range 0.00000 to 9999.99 mL Default value 0.00000 mL Dosing rate Rate at which the start volume is dosed. Input range 0.01 to 166.00 mL/min Selection maximum Default value maximum ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 371 If the signal drift has been switched off or has not yet been reached, then the measured value will be accepted when the maximum waiting time has elapsed. As default value, a suitable waiting time for the signal drift is automatically calculated. 0 to 999999 s Input range Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 372: Control Parameters

    500 µL/min. user The individual titration parameters can be modified. The settings of the individual titration rates are listed in table 15, page 358. User-defined parameters These parameters are only accessible when Titration rate = user. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 373 The following rule of thumb should be considered in order to obtain a dosing at the control point as constant (regular) as possible: Min. rate in µL/min = 0.1 · expected reaction rate in µL/min Input range 0.01 to 9999.00 µL/min Default value 10.00 µL/min 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 374: Titration Parameters

    Negative measured value change by the addition of titrant, i.e. in the direction of a lower pH value or lesser voltage. auto The titration direction is determined automatically from the initial mea- sured value and the set control point. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 375 Start rate The measured values are not entered in the measuring point list until the dosing rate has fallen below this value. Checking this parameter is not started until 10 s after the start of the command. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 376: Stop Conditions

    The stop time starts as soon as the control point has been reached for the first time. Last dosing The stop time starts after the last increment has been dosed, i. e. the stop time is reset to zero again after each dosing step. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 377: Monitoring

    When the monitored quantity falls below this value, the action defined in the following is triggered. The values that are actually measurable may vary from the values specified here, depending on the hardware. The binding measurement value ranges 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 378 Measuring mode U: Input range 0.0 to 2000.0 mV Default value 2.0 mV Dosing rate: Input range 0.00 to 166.00 mL/min Default value 0.20 mL/min Temperature: Input range 0.0 to 150.0 °C Default value 0.2 °C ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 379 Measuring mode pH: Input range 0.000 to 20.000 Default value 0.020 Measuring mode U: Input range 0.0 to 2000.0 mV Default value 2.0 mV Dosing rate: 0.00 to 166.00 mL/min Input range 0.20 mL/min Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 380 If the lower limit is infringed while monitoring the dosing rate, the set- tings Action = Pause and Action = Wait do not make sense because the average dosing rate becomes smaller and smaller during the waiting time. The valid range can never be reached again. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 381: Figure 16 Action "Exit Method" Or "Cancel Command

    Monitored quantity Wait Upper limit Upper hysteresis Lower hysteresis Lower limit Time Figure 18 Action "Wait" Communication Under [Communication], remote signals or RS-232 commands can be assigned to the monitored quantities. These remote signals or RS-232 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 382 (incl. hysteresis). Interface Selection of the Remote Box or the serial interface via which the remote signal or the RS-232 command is sent. Selection Remote Box 1…4 | COM1…8 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 383 ASCII code page can be used. Control characters (Esc, FF etc.) have to be entered as a three-place, decimal ASCII code, starting with a slash. Each command is automatically terminated with the ASCII characters CR and ASCII string with a max. of 24 characters Entry empty Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 384: Control Instrument

    Selection Selection of configured sensors Electrode check on | off (Default value: off) For the following electrodes, an electrode check can be carried out: pH electrodes ￭ Metal electrodes ￭ Ion-selective electrodes ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 385: Dosing Device

    For the selected titrant, the validity of the titer, the working life of the titrant and the time interval for the GLP test of the buret unit are checked at the start of the determination. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 386 Selection Selection of configured titrants | not defined Default value not defined not defined No check takes place. Filling rate Rate at which the dosing cylinder is filled. Input range 0.01 to 166.00 mL/min ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 387 Maximum dosing rate for different dosing cylinders Cylinder volume maximum dosing rate Exchange unit Dosing unit 1 mL 2.25 mL/min – 2 mL – 5.00 mL/min 5 mL 11.25 mL/min 12.50 mL/min 10 mL 22.50 mL/min 25.00 mL/min 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 388: Stirrer

    Input range –15 to 15 Default value Switch off automatically on | off (Default value: on) If this parameter is activated, the stirrer will be switched off automatically at the end of the titration, measurement, etc. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 389: Manual Titrations (Mat)

    End of titration: A manual titration must always be ended with the [Cancel command] button (NOT with the [ ] fixed key) or with the [FILL] key on the Manual Dosing Controller. This is the only way to ensure that subsequent method commands will be carried out. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 390: Dosing Parameters

    The maximum filling rate depends on the cylinder volume (see chapter 32, page 492). Temperature Temperature entered manually. The temperature is being continuously measured when a temperature sensor is connected and when Temp. measurement = automatic or continuous is defined (see sensor dialog ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 391: Control Instrument

    When a determination is started there is a check whether the sensor is contained in the sensor list. Selection Selection of configured sensors Temp. measurement Type of temperature measurement. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 392: Dosing Device

    GLP test of the buret unit are checked at the start of the determination. Selection Selection of configured titrants | not defined Default value not defined not defined No check takes place. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 393 Selection of configured titrants | not defined Selection not defined Default value not defined No check takes place. Filling rate Rate at which the dosing cylinder is filled. Input range 0.01 to 166.00 mL/min Selection maximum Default value maximum 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 394 Dosing unit 1 mL 2.25 mL/min – 2 mL – 5.00 mL/min 5 mL 11.25 mL/min 12.50 mL/min 10 mL 22.50 mL/min 25.00 mL/min 20 mL 45.00 mL/min 50.00 mL/min 50 mL 112.50 mL/min 124.50 mL/min ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 395: Stirrer

    Maximum permissible drift for the measured value acceptance, i.e. maxi- mum change of the measured value per minute. For this value, a suitable maximum waiting time is automatically calculated except you already have modified this waiting time. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 396 Measured value acceptance will take place after the maximum waiting time has elapsed. Measuring mode Cond: Input range 0.001 to 999.000 (mS/cm)/min Selection Default value Measured value acceptance will take place after the maximum waiting time has elapsed. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 397 Default value Measuring mode U, Ipol: Input range –2000.0 to 2000.0 mV Selection Default value Measuring mode Upol: Input range –200.00 to 200.00 µA Selection Default value Measuring mode T: Input range –20.0 to 150.0 °C 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 398 25.0 °C Time interval MP Time interval for entering a measuring point in the measuring point list. The measuring point list is limited to 1000 measuring points. Input range 0.1 to 999999.0 s Default value 2.0 s ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 399 Default value 25.0 °C Selection The temperature compensation is disabled. Temp. compensation Type of temperature compensation. constant | ISO / DIN Selection constant The temperature compensation is carried out with the value entered for the temperature coefficient. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 400: Standard Addition

    Standard addition ▶ Addition increments. Concentration standard Concentration of the standard solution used. When Addition = manual is defined, a numerical value has to be entered here, the selection from list creates an error message when starting the determination. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 401 Edit command / Stirrer dialog. Stir solution during measurement on | off (Default value: on) If this parameter is activated, the stirrer will be switched on and off auto- matically at the start or end of the measurement. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 402 For the selected standard solution, the validity of the titer, the working life of the standard solution and the time interval for the GLP test of the buret unit are checked at the start of the determination. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 403 This button is enabled only with Addition = auto dos or manual. Volume Volume of a single volume step. Input range 00.000 to 9999.900 mL Default value 00.100 mL Apply this value for all increments on | off (Default value: off) If you activate this parameter, the entered volume is applied for all volume steps.

  • Page 404: Control Instrument

    When a determination is started there is a check whether the sensor is contained in the sensor list. Selection Selection of configured sensors ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 405 Note that this electrode check has nothing to do with the electrode test (command ELT). Temp. measurement Type of temperature measurement. Selection continuous | automatic | off Default value automatic continuous A temperature sensor must be connected. The temperature is mea- sured continuously. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 406: Stirrer

    –15 to 15 Input range Default value Switch off automatically on | off (Default value: on) If this parameter is activated, the stirrer will be switched off automatically at the end of the titration, measurement, etc. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 407: Calibration Of Sensors (Cal)

    Temperature entered manually. The temperature is being continuously measured when a temperature sensor is connected and when Temp. measurement = automatic or continuous is defined (see sensor dialog of the command). Input range –20.0 to 150.0 °C Default value 25.0 °C 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 408 Selection Metrohm | NIST | DIN | Fisher | Fluka Basel | Mettler | Merck Tit. | Beckman | Radiometer | Custom | Special | Merck Cer. | Baker | Hamil-...
  • Page 409 The binding measurement value ranges can be found in the "Technical specifications" chapter for the control device used. Input range –20.000 to 20.000 Selection Default value Buffer 4 pH See Buffer 3 pH. Buffer 5 pH See Buffer 3 pH. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 410: Calibration Parameters (Cal Conc)

    Under [Calibration parameters], the parameters influencing the run of the entire calibration are defined. Signal drift Maximum permissible drift for the measured value acceptance, i.e. maxi- mum change of the measured value per minute. For this value, a suitable ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 411 The value entered above is used. Selection off | Remote | USB Default value For calibrations without Sample Processor. During the calibration, a request for changing the buffer/standard is displayed. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 412 Concentration standard 5 See Concentration standard 2. Stirrer control The parameters for the stirrer control during the calibration are edited under [Stirrer control]. Ensure that a stirrer has been selected in the Edit command / Stirrer dialog. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 413: Calibration Parameters (Cal Cond)

    Under [Calibration parameters], the parameters influencing the run of the entire calibration are defined. Signal drift Maximum permissible drift for the measured value acceptance, i.e. maxi- mum change of the measured value per minute. Input range 00.001 to 999,000 (mS/cm)/min Selection Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 414 | off (Default value: off) When this parameter is activated, then entering the following parameters will be requested after the start. Conductivity standard Conductivity of the calibration standard used. 0.00000 to 2000.00 mS/cm Input range 12.8800 mS/cm Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 415 If it is stirred before the measurement, a waiting time can be defined here before starting the measurement. No stirring or measuring occurs during this time. Input range 0 to 999999 s Default value 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 416: Control Instrument

    Selection of configured sensors Electrode check on | off (Default value: off) This parameter is available only for the command CAL pH. For the following electrodes, an electrode check can be carried out: pH electrodes ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 417: Stirrer

    The algebraic sign of the stirring rate changes the direction in which the stirring is done. When the stirrer is viewed from above, this means: "+": counterclockwise rotation ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 418: Electrode Test For Ph Electrodes (Elt)

    You will require flawless buffers in the pH values 4, 7 and 9 for carrying out the electrode test. We recommend for this purpose the appropriate Metrohm buffers. The electrode test can, however, in principle also be car- ried out with any of the buffer sets contained in the memory.

  • Page 419: Electrode Test Parameters

    Buffer type Selecting a predefined buffer series. Selection Metrohm | NIST | DIN | Fluka Basel | Mettler | Merck Tit. | Radiometer | Merck Cer. | Baker | Hamilton | Precisa Metrohm Default value Merck Cer.

  • Page 420: Control Instrument

    This button is only displayed when several control instruments have been configured. Control device Selection of the control instrument from the list of devices. Only those devices are displayed which are able to carry out the command. The con- ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 421: Sensor

    Otherwise, the calibration temperature entered manually will be used. The temperature will not be measured. The calibration temperature entered manually is used. The temperature is requested after the start, except the determination is carried out with a Sample Processor. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 422: Stirrer

    50 s 60 s Lower limit Uoff –15 mV Upper limit Uoff 15 mV Electrode type "Gel" Streaming potential 3.0 mV 3.5 mV 4.5 mV Drift 2.5 mV/s 3.0 mV/s 4.0 mV/s Min. slope 96.5% 96.0% 95.0% ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 423 Repeat the electrode test with a ￭ for the rating Usable electrode. suitable reference system. Replace the contaminated refer- ￭ ence electrolyte. Uoff is outside the preset limits. Select Electrode type = Cus- ￭ tom and adjust the limits for Uoff. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 424: Evaluations (Eval)

    ￭ Measured quantities: – Measured value – Time – Volume EVAL pK/HNP (pK value / half neutralization potential HNP) ￭ This evaluation is only possible for the measuring modes pH and U. EVAL MIN/MAX (minimum/maximum) ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 425 EVAL FIX-EP (fixed endpoints) ￭ Measured quantities: – Measured value – Time – Amount of generated bromine EVAL MIN/MAX (minimum/maximum) ￭ EVAL RATE (average dosing rate) ￭ Additional evaluations for STAT titrations The following additional evaluations are possible: 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 426: Fixed Endpoint Evaluation (Eval Fix-Ep)

    The values that are actually measurable may vary from the values specified here, depending on the hardware. The binding measurement value ranges can be found in the "Technical specifications" chapter for the control instrument used. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 427 0.0 to 999999.9 s Selection Default value Volume: Input range 0.00000 to 9,999.99 mL Selection Default value Quantity: Input range 0.0 to 99,999.9 µg Selection Default value Fixed EP2 at…Fixed EP9 at See Fixed EP1 at. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 428: Pk Value And Half Neutralization Potential Evaluation (Eval Pk/Hnp)

    The HNP is evaluated in the same way as the pK value. No parameters can be edited for the command EVAL pK/HNP. NOTICE If a start volume is to be added then it must be smaller than the half endpoint volume. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 429: Minimum And Maximum Evaluation (Eval Min/Max)

    0.1 to 20 Default value With titrations, the unit is pH/mL, with measure- ments pH/s. Measuring mode U, Ipol: Input range 1.0 to 2,000.0 Default value 25.0 With titrations the unit is mV/mL, with measure- ments mV/s. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 430: Break Point Evaluation (Eval Break)

    As this is a relative value related to the total measured value modification, even small changes in the measured value can be evaluated as a break point for a small mea- sured value range. Input range 0.0 to 1.0 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 431 The binding measurement value ranges can be found in the "Technical specifications" chapter for the control instrument used. Measured value (measuring mode pH): Input range –20.000 to 20.000 Default value –20.000 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 432 –20.000 to 20.000 Default value 20.000 Measured value (measuring mode U, Ipol): Input range –2,000.0 to 2,000.0 mV Default value 2,000.0 mV Measured value (measuring mode Upol): Input range –200.00 to 200.00 µA Default value 200.00 µA ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 433: Rate Evaluation (Eval Rate)

    Define a new window. [Delete] Delete the selected window. [Edit] Edit the settings of the selected window. Lower limit Time for the lower limit. Input range 0 to 999999 s Default value Upper limit Time for the upper limit. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 434: Calculations

    Define result limits ￭ The result name is specified in the list for each calculation. [New] Define a new calculation or load an existing template, see following chap- ter. [Delete] Delete the selected calculation from the list. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 435 In the Sequence / Edit command dialog, tap on the [New] ￭ button. The list of Metrohm result templates is displayed: Select the desired Metrohm result template and tap on [Load ￭ template]. Tap on [Custom templates] and select a template you gener- ated yourself.
  • Page 436 The Note dialog is displayed. This note is defined in the dialog Edit result template / Note for wizard. 3 Enter the numerical values of the wildcards Tap on [Next]. ￭ The list of wildcards is displayed: ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 437 Decimal places Number of decimal places used to display the result. Input range 0 to 5 Default value Result unit The result unit is displayed and saved together with the result. max. 10 characters Entry 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 438 Green, if the result falls within the limit values ￭ Red, if the result lies outside the limit values ￭ Monitoring result limits on | off (Default value: off) Enabling and disabling the monitoring function. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 439 As default value, always the first free variable is being displayed. Selection SMN1 … SMN9 | off For the result not statistic calculations are carried out. Save as titer The result can be saved as titer for the selected titrant. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 440 The calculated result can be saved in the result table. This may be advisa- ble if e.g. the results of all determinations carried out on a particular day are to be displayed clearly. A maximum of nine results from a determina- tion can be saved in the result table. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 441: Calculations (Calc Live)

    The result will only be displayed in the live display. It appears neither in ￭ the results dialog nor in a report. Result name With live calculations no custom result name can be defined, the designa- tion LR cannot be modified. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 442 Tap on the [View] button. ￭ Tap on the [Meas. value options] button. ￭ A maximum of three measured values can be shown in the live display. Select the option Live result at one of the three parameters. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 443: Formula Editor

    Titer of the titrant selected in the previous command CONC Concentration of the titrant selected in the previous command The character in front of the cursor is deleted. Delete entry The content of the input field is deleted completely. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 444 List of the system-specific variables. These variables describe the cur- rent status of the system. Result and statistics variables ￭ List of the variables which are required for calculating results and statis- tics for the current determination. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 445 In this way invalid results can be avoided. Syntax: ￭ – X = variable to be tested – Y = substitute value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 446 Start temperature, i.e. temperature after the processing of the start conditions Total duration of the titration, measurement or calibration Type of temperature measurement (Pt1000, NTC or manually) Format = Text Duration of effective dosing, i.e. without filling times, pauses ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 447 Temperature at pK value / half neutralization potential HP# Time at pK value / half neutralization potential HP# Volume/quantity of minimum measured value Minimum measured value Temperature at minimum measured value Time at minimum measured value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 448 Autostart setpoint counter, i.e. number of autostarts to be carried out Status of the sample table (sample table activated = 1, sample table deactivated = 0) Number of the current sample table line Last sample in the sample table processed (yes = 1, no = 0) ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 449: Reports (Report)

    Report header Defining the output of the report header. The report header contains gen- eral information such as device type, serial number, program version and the printing date. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 450: Settings Of The Individual Reports

    Command REPORT: Report ▶ Edit Settings can be edited for the following reports (for details, see online help): Result report ￭ Curve ￭ Definition of the curve size, display of the individual measuring points and grid lines, etc. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 451: List Of Reports

    The devices used for the determination, as displayed in the More determination data / Properties dialog. Variables All determination variables, as displayed in the results dialog. Monitoring Details for the monitored quantities (STAT, DOS only). Statistics 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 452 The most important titrant data of all titrants (name, concentration, titer, last titer determination). All titrant data full All of the titrant data of all of the titrants (working life, titer options, data concerning the exchange unit/dosing unit). ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 453 List with all of the sample racks configured in the system, together with designation, number of positions and rack code. Miscellaneous Form feed If this entry is inserted between two reports, then these will each be printed out on a separate page. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 454: Dosing And Liquid Handling

    Titrants are defined under System ▶ Titrants. You can also enter a name which is not contained in the titrant list. When a determination is started there is a check whether the solution is contained in the list. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 455: Emptying A Dosing Unit (Empty)

    Selection 1 | 2 | 3 | 4 Default value Titrant Selection of the titrant from the titrant list. We recommend always select- ing the titrant. This ensures that the parameters defined for the titrant for 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 456: Dosing A Specified Volume (Add)

    The parameters for the dosing are defined under [Dosing parameters]. Volume Volume which is dosed. Input range 0.00000 to 99999.9 mL Default value 10.0000 mL Dosing rate The rate at which dosing takes place. Input range 0.01 to 166.00 mL/min Selection maximum maximum Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 457 Titrant Selection of the titrant from the titrant list. We recommend always select- ing the titrant. This ensures that the correct data (titer, concentration, etc.) is always used for the calculation. Titrants are defined under Sys- 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 458 For the selected titrant, only the time interval for the GLP test of the buret unit is checked at the start of the determination. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 459 Example: Dosing device 1: volume = 20 mL, filling rate = 50 mL/min Dosing device 2: volume = 50 mL Filling rate 2 ≥ 50 mL/min · 50 mL / 20 mL ≥ 125 mL/min 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 460 The algebraic sign of the stirring rate changes the direction in which the stirring is done. When the stirrer is viewed from above, this means: "+": counterclockwise rotation ￭ "–": clockwise rotation ￭ Input range –15 to 15 Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 461: Liquid Handling (Lqh)

    The dosing cylinder is filled. This means that, for example, air can be aspirated via Port 4. The valve disc is then rotated to Port 2 and the dosing drive can be removed from the dosing unit. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 462 Default value 1.00000 mL Function = Aspirate: Input range 0.00000 to 50.0000 mL Default value 1.00000 mL Flow rate This parameter can only be edited with Function = Dose, Fill, Aspirate, Eject, Exchange position and End volume. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 463 Titrants are defined under Sys- tem ▶ Titrants. You can also enter a name which is not contained in the titrant list. When a determination is started there is a check whether the solution is contained in the list. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 464: Monitored Dosing (Dos)

    Volume/Dosing rate Defining the volume to be dosed and and the dosing rate. Volume/Dosing time Defining the volume to be dosed and the dosing time. Dosing rate/Dosing time Defining the dosing rate and the dosing time. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 465: Figure 22 Dosing Criterion "Volume/Dosing Rate

    The following formula can be used to estimate whether the maximum dosing rate is being used or not: Dosing rate in mL/min Desired flow rate in mL/min 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 466: Figure 24 Dosing Criterion "Dosing Rate/Dosing Time

    The maximum dosing rate depends on the cylinder volume (see chap- ter 32, page 492). Dosing time Time while dosing is carried out, i.e. the filling time is not taken into account. Input range 0 to 999999 s Default value 100 s ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 467 2 mL – approx. 180 mL/h 5 mL approx. 400 mL/h approx. 450 mL/h 10 mL approx. 800 mL/h approx. 900 mL/h 20 mL approx. 1.6 L/h approx. 1.8 L/h 50 mL approx. 4 L/h approx. 4.5 L/h Filling times Filling times are not included in the calculation of the dosing rate by the Titrando.
  • Page 468 How large is the dosing rate? Conditions: Total duration = 60 min Dosing volume = 1,000 mL Filling time = 24 s (assumption: max. filling rate) Cylinder volume = 50 mL Calculation of the number of filling procedures: ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 469 Total duration = 60 min Number of required filling procedures of the dosing cylinder = Filling time = 24 s (assumption: max. filling rate) According to this formula, dosing must proceed at a dosing rate of 19.1 mL/min. Parameterization: 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 470 Filling rate Rate at which the dosing cylinder is filled. 0.01 to 166.00 mL/min Input range Selection maximum Default value maximum maximum The maximum filling rate depends on the cylinder volume (see chapter 32, page 492). ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 471 "Technical specifications" chapter for the control device used. Measuring mode pH: Input range –20.000 to 20.000 Default value –20.000 Measuring mode U: Input range –2,000.0 to 2,000.0 mV Default value –2,000.0 mV 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 472 Measuring mode pH: –20.000 to 20.000 Input range 20.000 Default value Measuring mode U: –2,000.0 to 2,000.0 mV Input range 2,000.0 mV Default value Temperature: Input range –20.0 to 150.0 °C Default value 150.0 °C ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 473 Adding reagent is stopped until the value of the monitored quantity is within the limits again (incl. hysteresis). The dosing is continued auto- matically. If several quantities are monitored, the other quantities will still be monitored in the background. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 474: Figure 25 Action "Exit Method" Or "Cancel Command

    Monitored quantity Wait Upper limit Upper hysteresis Lower hysteresis Lower limit Time Figure 27 Action "Wait" Communication Under [Communication], remote signals or RS-232 commands can be assigned to the monitored quantities. These remote signals or RS-232 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 475 (incl. hysteresis). Interface Selection of the Remote Box or the serial interface via which the remote signal or the RS-232 command is sent. Selection Remote Box 1…4 | COM1…8 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 476 ASCII code page can be used. Control characters (Esc, FF etc.) have to be entered as a three-place, decimal ASCII code, starting with a slash. Each command is automatically terminated with the ASCII characters CR and ASCII string with a max. of 24 characters Entry empty Default value ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 477 Selection Selection of configured sensors Temp. measurement Type of temperature measurement. continuous | automatic | off Selection automatic Default value 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 478 Selection of configured titrants | not defined Default value not defined not defined No check takes place. Tandem dosing A second dosing device can be defined under [Tandem dosing] in order to enable uninterrupted dosing. Dosing is carried out with a combination ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 479 Input range maximum Selection maximum Default value maximum The maximum filling rate depends on the cylinder volume (see chapter 32, page 492). However, in order to ensure uninterrupted dosing, the following points must be taken into account: 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 480 Dosing unit 1 mL 2.25 mL/min – 2 mL – 5.00 mL/min 5 mL 11.25 mL/min 12.50 mL/min 10 mL 22.50 mL/min 25.00 mL/min 20 mL 45.00 mL/min 50.00 mL/min 50 mL 112.50 mL/min 124.50 mL/min ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 481: Communication

    Defining remote signals which are awaited lines (SCAN) before the next method command is started. Setting remote Defining remote signals. lines (CTRL) Receiving RS-232 Defining RS-232 commands which are awaited commands (SCAN before the next method command is started. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 482: Scanning Remote Lines (Scan)

    The input lines are always numbered from right to left, i.e. with the signal *******1 line 0 is expected to be active. NOTICE We recommend masking lines that are of no interest or for which no defined condition can be predicted with an asterisk (*). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 483: Setting Remote Lines (Ctrl)

    Selection of the control device from the list of devices. The control devices do not have to be connected. This allows to transfer methods more easily from one system to another. Selection Selection of configured control devices 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 484 (*). Bit patterns containing exactly 14 characters Entry or a max. of 24 characters for the name of the template ************** Default value Selection of the templates defined Selection ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 485: Scanning The Rs-232 Interface (Scan Rs)

    A message is displayed. You can select whether you want to continue with the determination or cancel the run. Document message In the determination data it will be documented, that the time interval has been expired. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 486: Defining Rs-232 Commands (Control Rs)

    Tower 1 and Tower 2 can always be selected, even if your Sample Pro- cessor has only one tower. Selection 1 | 2 Default value View from the front, the right tower. View from the front, the left tower. Destination Selection of the required target position. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 487 Moving the rack forward by a certain increment. The rotation incre- ment is defined in the properties of the tower. rotate - Moving the rack backward by a certain increment. The rotation incre- ment is defined in the properties of the tower. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 488 Shift direction Direction in which the rack is moved. Selection auto | + | - Default value auto auto A shift direction, with which the shorter way has to be passed, is auto- matically selected. Counterclockwise rotation. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 489: Moving The Lift (Lift)

    Home position The lift is being located at the upper stop position, i.e. at the position 0 Lift rate Rate at which the lift is moved. Input range 5 to 25 mm/s Default value 20 mm/s 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 490: Controlling Pumps (Pump)

    The pump is switched on. The pump is running until it is explicitly switched off. If the determination is canceled with the key [ ], the pump is also switched off. The pump is switched off. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 491: Resetting The Rack (Rack)

    The sample variable corresponds to the current value plus the number entered in the field Value. The sample variable corresponds to the current value minus the num- ber entered in the field Value. Value Value by which the current sample variable is to be modified. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 492: Creating A Subsequence (Subseq)

    29.17.6.1 Loading / saving a subsequence [Load/ Save] is used to load stored subsequences or to save new subse- quences. This means that they are available for all methods and only have to be created once. ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 493 File name File name of the subsequence. Entry max. 32 characters [Save] Saving the subsequence to the internal memory. 29.17.6.2 Subsequence options In this dialog, the settings can be defined which correspond to the entire subsequence. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 494 Dialog "Subsequence options / Note" A short text can be entered in this dialog, e.g. for the description of the subsequence commands or for the application purpose. [Display options] Definition when the note is being displayed. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 495: Miscellaneous Commands

    The stirrer is switched off. Stirring rate Setting the stirring rate. It can be set in steps of –15 to +15. The default setting 8 corresponds to 1000 rpm. The formula for calculating the rota- 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 496: Pausing The Method Run (Wait)

    This parameter can only be edited when Message is activated. Text which is displayed during the waiting time. Entry max. 28 characters Default value empty 29.18.3 Scan data (REQUEST) The following data can be scanned in the method run with the command REQUEST: ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 497: Defining An Acoustic Signal (Beep)

    29.18.4 Defining an acoustic signal (BEEP) The BEEP command can be used to produce an acoustic signal. Duration Approximate playing time in seconds of the permanently stored melody. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 498: Signing A Determination (Sign)

    The method run will cancel as soon as the END command is reached. This is a good idea if you wish to test only the first part of a method. No parameters can be edited for this command. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 499: Operation And Maintenance

    Confirm the message with [Yes]. ￭ A second safety prompt is displayed. Confirm this message with [Yes] as well. ￭ Initialization is started. After the initialization has been completed, the 900 Touch Control is started automatically. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 500: Troubleshooting

    31.3 Results/Statistics Problem Cause Remedy No statistics are car- Statistics is not activated. In the method options, activate the option ried out for a result. Statistics (see chapter 16.5, page 172). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 501: Printing

    A button in the The required hardware is 1. Switch off the 900 Touch Control. manual control is either not connected or 2. Connect the hardware correctly. disabled. incorrectly connected. 3. Switch the 900 Touch Control back on. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 502: Miscellaneous

    31.6 Miscellaneous Problem Cause Remedy The 900 Touch Con- Plug in the Touch Control at the Controller The Touch Control is con- trol cannot be nected to an MSB socket connector (see manual for control instrument). switched on.

  • Page 503: Volumetric Karl Fischer Titration

    Check the seals and the septum. Replace if ￭ be finished. necessary. Replace the molecular sieve. ￭ Define Titration rate = user and increase the The minimum increment is minimum volume increment (Min. incre- too low. ment) (see chapter 29.4.2, page 325). 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 504 (Max. rate) (see chapter 29.4.2, page 325). The titration times Replace the working medium. The buffer capacity of the with volumetric solvent can be exhausted titration are con- for two-component stantly longer. reagents. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 505: Coulometric Karl Fischer Titration

    See technical literature. ￭ titration. The drift is fluctuat- The sample solution is Set the stirring rate in such a way that the ￭ ing. poorly stirred. sample solution will become very well mixed. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 506 The drift correction is too Ensure stable and lower drift. ￭ large (e.g. with excessively Set the parameter Drift correction to ￭ high start drift, with fluctu- auto (= automatic drift correction). ating drift or with manual drift correction). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 507: Stat Titration

    The control point is The control parameters are Adjust the control parameters (see chapter not reached for too unsuitable. 29.7.2, page 356): long. Reduce control range. ￭ increase Min. rate. ￭ increase Max. rate. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 508: Appendix

    Start/Dosing key [GO] Status LED For starting the method and for dosing dur- Indicates whether the instrument is ready. ing the MAT command. Cancel command button [FILL] Connector plug For canceling the running command. With 25-pin D-sub plug. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 509: Dosing Unit

    The cylinder is filled at the maximum filling rate through Port 2. ￭ The following dimensions apply for the tubings: ￭ – Tubing at Port 1: length = 40.0 cm, diameter = 2 mm – Tubing at Port 2: length = 25.0 cm, diameter = 2 mm 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 510: Exchange Unit

    (depends on the product version) can be calculated with the following for- mula: Rotational speed/min (r/min) = 125 · Stirring rate Example: Configured stirring rate: 8 Rotational speed in revolutions per minutes = 125 · 8 = 1,000 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 511: Balance

    Designation for the field with the method name: METHOD ￭ Designation for the field with sample identification 1: ID1 ￭ Designation for the field with sample identification 2: ID2 ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 512: Result Variables As Parameter Setting

    Insert the calculation command CALC in front of the titration ￭ command. Enter the calculation formula, e.g. R1 = C00*3. ￭ 2 Define a result variable as parameter setting In the titration command, enter the variable R1 as the start vol- ￭ ume. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 513: Electrode Calibration With Sample Processors

    Calibration command (command CAL pH or CAL Conc) d. … … In the interest of general comprehensibility, other commands which are required are not listed here. A method template is available for an auto- matic pH calibration with subsequent measurement. 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 514 We recommend defining special beakers 1-n. Afterwards, in the dialog Sample rack / Edit rack data, for the para- meter 1. Calibration pos., the option Special beaker 1 must be selected for the first buffer/standard. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 515: Stored Buffer Series For Ph Calibration

    The temperature-dependent pH values of several common pH buffers are stored in the Touch Control for automatic buffer recognition during pH calibration. In addition to the Metrohm buffer solutions, other reference buffers and technical buffers are also included in the tables.

  • Page 516: Nist (According To Din Standard 19266, 2015)

    1.700 4.038 6.836 9.040 11.841 1.707 4.050 6.833 9.011 11.705 1.715 4.075 6.834 8.985 11.574 1.723 4.091 6.836 8.962 11.449 1.733 4.108 6.841 8.942 1.743 4.126 6.845 8.921 1.754 4.145 6.852 8.903 1.766 4.164 6.859 8.885 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 517: Din (According To Din Standard 19267, 2012)

    1.10 3.04 4.66 6.76 9.09 12.29 1.10 3.04 4.67 6.76 9.04 12.13 1.11 3.04 4.68 6.76 9.00 11.98 1.11 3.04 4.69 6.76 8.97 11.84 1.11 3.04 4.70 6.76 8.92 11.69 1.11 3.04 4.71 6.76 8.90 11.56 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 518: Fisher

    7.05 10.12 2.00 4.00 7.02 10.06 2.00 4.00 7.00 10.00 2.00 4.01 6.99 9.94 2.02 4.02 6.98 9.90 2.01 4.03 6.97 9.85 2.01 4.04 6.97 9.81 2.01 4.06 6.97 9.78 4.07 6.97 9.74 4.09 6.98 9.70 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 519: Fluka

    4.030 7.130 9.240 4.025 7.090 9.175 4.020 7.050 9.110 4.010 7.020 9.055 4.000 7.000 9.000 4.000 6.990 8.965 4.000 6.980 8.930 4.000 6.975 8.895 4.000 6.970 8.860 4.000 6.965 8.830 4.000 6.960 8.800 4.000 6.960 8.775 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 520: Mettler Toledo

    11.36 2.00 4.00 7.02 9.26 11.18 2.00 4.01 7.00 9.21 11.00 1.99 4.01 6.99 9.16 10.82 1.99 4.02 6.98 9.11 10.64 1.98 4.03 6.97 9.06 10.46 1.98 4.04 6.97 9.03 10.28 1.98 4.06 6.97 8.99 10.10 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 521: Beckmann

    Beckmann Temp. (°C) 4.00 7.00 10.01 4.00 7.12 10.32 4.00 7.09 10.25 4.00 7.06 10.18 4.00 7.04 10.12 4.00 7.02 10.06 4.00 7.00 10.01 4.01 6.99 9.97 4.02 6.99 9.93 4.03 6.98 9.89 4.05 6.98 9.86 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 522: Radiometer Analytical

    1.666 4.000 7.118 9.464 1.668 3.998 7.087 9.395 1.670 3.997 7.059 9.332 1.672 3.998 7.036 9.276 1.675 4.001 7.016 9.225 1.679 4.005 7.000 9.180 1.683 4.011 6.987 9.139 1.688 4.018 6.977 9.102 1.694 4.027 6.970 9.068 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 523: Baker

    4.00 7.00 9.00 10.00 4.00 7.13 9.23 10.30 4.00 7.09 9.17 10.24 4.00 7.05 9.10 10.17 4.00 7.03 9.05 10.11 4.00 7.00 9.00 10.05 4.00 6.98 8.96 10.00 4.01 6.98 8.91 9.96 4.02 6.98 8.88 9.93 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 524: Hamilton Duracal

    Hamilton DURACAL buffer solutions Hamilton DURACAL Temp. (°C) 4.01 7.00 9.21 10.01 4.01 7.09 9.45 10.19 4.00 7.06 9.38 10.15 4.00 7.04 9.32 10.11 4.00 7.02 9.26 10.06 4.01 7.00 9.21 10.01 4.01 6.99 9.16 9.97 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 525: Precisa

    However, they may be changed by the respective manufacturers. 32.8.11 Precisa Table 33 Precisa buffer solutions Precisa Temp. (°C) 4.00 7.00 9.00 3.99 7.11 9.27 3.99 7.08 9.18 3.99 7.06 9.13 3.99 7.04 9.08 3.99 7.02 9.04 4.00 7.00 9.00 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 526: Merck Certipur 20 / Titrisol

    Merck CertiPUR 20 / Titrisol Temp. (°C) 2.000 4.000 7.000 9.000 12.000 2.010 4.050 7.130 9.240 12.580 2.010 4.040 7.070 9.160 12.410 2.010 4.020 7.050 9.110 12.260 2.000 4.010 7.020 9.050 12.100 2.000 4.000 7.000 9.000 12.000 ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 527: Merck Certipur 25

    The CertiPUR 20 and Titrisol product lines have the identical values. 32.8.13 Merck CertiPUR 25 Table 35 Merck CertiPUR 25 buffer solutions Merck CertiPUR (25°C) Temp. (°C) 4.00 7.00 9.00 10.00 4.05 7.09 9.22 10.22 4.04 7.08 9.16 10.16 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 528 8.86 9.80 3.98 6.97 8.84 9.73 NOTICE Update The values of the individual buffers with the corresponding tempera- tures are kept as up to date as possible. However, they may be changed by the respective manufacturers. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 529: Using Audittrailviewer

    4 If you accept the suggested memory location, click on [Next >]. Select a different memory location and click on [Next >]. The Confirm Installation dialog is displayed. 5 Click on [Install] to install the AuditTrailViewer. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 530: Opening The Audit Trail

    Opening the Audit Trail Create a backup of the data and of the settings of your Touch Control (see chapter 12.3, page 127). 1 Open the backup on your PC. 2 Open the file log.madt with the AuditTrailViewer. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 531: Contents Of The Audit Trail

    Contents of the Audit Trail In the following you will find a description of the dialog window and of the menu bar of the AuditTrailViewer. Table 36 Dialog window Column Content Each entry is numbered in sequence. 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 532: Filtering The Audit Trail

    The entries in the Audit Trail can be filtered. You can set the following fil- ter criteria: Date ￭ User ￭ Category ￭ Action ￭ Proceed as follows: 1 Click in a cell that contains the desired filter criterion (e.g. Category = Method). ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 533: Exporting The Audit Trail

    System ▶ Diagnosis The electronic and mechanical functional groups of Metrohm instruments can and should be checked by specialist personnel from Metrohm as part of a regular maintenance schedule. Please ask your local Metrohm repre- sentative regarding the precise terms and conditions involved in conclud- ing a corresponding maintenance agreement.

  • Page 534: Lcd Test

    Other colors and patterns will be displayed one after the other. Repeat step 2 until the System / Diagnosis dialog is displayed ￭ again. Contact your Metrohm representative in the event of faults or ￭ irregularities. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 535: Temperature Monitoring

    32.10.3 Formatting an external storage medium System ▶ Diagnosis ▶ Format storage medium With this function, you have the option of formatting an external storage medium directly on the 900 Touch Control (quick formatting). The following file systems can be selected: ￭...

  • Page 536: Testing The Touch Screen

    A calibration is not possible with this test. If the Touch screen does not work correctly anymore, it will need to be replaced. For that please con- tact your Metrohm representative. NOTICE You can use the [ ] fixed key to stop the test at any time.

  • Page 537: Software Update (Loading Program Versions And Language Files)

    System ▶ Diagnosis ▶ Software update New program versions or language files can be loaded from an external storage medium (e.g. USB flash drive). The corresponding files must be stored on the storage medium in the 900/SwUpdates directory (see "Directory structure", page 126). NOTICE...
  • Page 538 The files are instrument-specific. The file names are structured as follows: Control software for 900 Touch Control: ￭ 5XXXyyyy.BIN 5XXXyyyy.MBIN – XXX = instrument type (i.e. "900" for the 900 Touch Control) – yyyy = program version Firmware of the control instrument: ￭ 5XXXyyyy.BIN –...
  • Page 539 In the case of the program versions and language files for the Touch Control, it is imperative that both the BIN file and the asso- ciated MBIN file be copied. Copy the files to the "SwUpdates" directory. ￭ 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 540 Tool.exe" file to the external storage medium. Make sure that the file is stored at the top level of the external storage medium. This also applies to the "900" folder. For the software update to version 5.900.0043, an addi- tional folder that is on the same level as MetrohmTools with the name SRVPRF900 containing the file St900_SrPrf.cfg is required.

  • Page 541: Simulating Titration Curves

    Remove the external storage medium (USB flash drive) ￭ from the instrument. Switch the 900 Touch Control off and then back on again. ￭ 32.10.8 Simulating titration curves System ▶ Diagnosis ▶ 822 Curve Simulator The 822 Titration Curve Simulator (order number 2.822.0010) can be used as a diagnostics tool for making rapid checks on titrators.
  • Page 542 Create a titration method or load an existing one. ￭ Tap on [ ￭ The titration is started. After the completion of the titration, the results dialog is displayed. 4 Finishing the simulation mode Switch off the Touch Control. ￭ ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 543: Service

    Access to the service functions is password-protected and only accessible to Metrohm service technicians. We recommend that you have mainte- nance performed on the system regularly by the Metrohm Service Depart- ment. You can automatically monitor the time interval after which the next service visit is due (see chapter 13.5.1, page 139).
  • Page 544 The above losses of accuracy by rounding off in the range of significant places are only relevant theoretically. Most of the time they are lower by several orders of magnitude than – as an example – the uncertainties resulting from weighing out the sample. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 545: Technical Specifications

    – Acetone – Chloroform – Formamide – Sulfuric acid c(H ) = 2 mol/L – Hydrochloric acid c(HCl) = 2 mol/L – Caustic soda c(NaOH) = 2 mol/L – Composite 5.0 – 1-butanol – 1-hexanol – Decanol 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 546: Interfaces

    Up-to-date information on the EU conformity and the requirements for electromagnetic compatibility for your product can be found on the Inter- net under https://www.metrohm.com/en-us/products-overview/. Using the article number, you can download the Declaration of conform- ity for ... under the documents of the product. ￭￭￭￭￭￭￭￭ 900 Touch Control...

  • Page 547: Ambient Temperature

    193 mm Height 71 mm Depth approx. 180 mm (without cable) Weight 1,493 g 33.7 Storage capacity 128 MB Random access memory Internal memory 1 GB of which 900 MB available. Required memory 3–6 KB per method 900 Touch Control ￭￭￭￭￭￭￭￭...

  • Page 548: Accessories

    Downloading the accessories list 1 Enter https://www.metrohm.com/ into your Internet browser. 2 Enter the article number (e.g. 900) into the search field. The search result is displayed. 3 Click on the product. Detailed information regarding the product is shown on various tabs.

  • Page 549: Index

    Calibration buffer ....499 DET ......1, 11, 278 REQUEST ......480 Calibration buffers ....160 Determination SAMPLE ......475 Calibration data ....70, 218 Calibration data ....218 SCAN ....... 466 Limit values ......75 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 550 Rate ......... 417 Dosing key ......492 Set windows ..287, 303, 415 Dosing parameters Evaluations ......408 ADD ......... 440 ID profile Exchange unit DOS ......... 448 Create ........ 33 Data ........52 MAT ......... 374 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 551 Dosing fixed volume ..260 WAIT ........ 480 Note Emptying ......263 Password Method ......182 Filling ....... 264 Forgotten ......37 Numerical input ......20 Measuring ......252 Options ......35 Preparing ......262 Remote lines ..... 267 900 Touch Control ￭￭￭￭￭￭￭￭...
  • Page 552 Modify the designation ..204 KFT ........323 Add ........61 Sample identification list ..147 MET ......... 295 Delete ........ 61 Sample Processor ....268 SET ........311 Edit ........61 Sample rack ......100 STAT ......... 354 ￭￭￭￭￭￭￭￭ 900 Touch Control...
  • Page 553 Swing radius ......98 Write protection Titration parameters Swing rate ....274, 275, 473 External memory ....125 BRC ........348 Switch off ......... 17 DET ........281 Switch on ......... 16 KFC ........338 System initialization ....483 900 Touch Control ￭￭￭￭￭￭￭￭...

Table of Contents

Save PDF