Metrohm 751 GPD Titrino Instructions For Use Manual
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Metrohm 751 GPD Titrino Instructions For Use Manual

Series 9
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CH-9101Herisau/Switzerland
Tel.
++41 71 353 85 85
Fax
++41 71 353 89 01
Internet
www.metrohm.ch
E-Mail
info@metrohm.ch
751 GPD Titrino
Instructions for Use
8.751.1103
Series 9...
99.07 Ti

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Summary of Contents for Metrohm 751 GPD Titrino

  • Page 1 CH-9101Herisau/Switzerland Tel. ++41 71 353 85 85 ++41 71 353 89 01 Internet www.metrohm.ch E-Mail info@metrohm.ch 751 GPD Titrino Series 9... Instructions for Use 8.751.1103 99.07 Ti...

  • Page 2: Table Of Contents

    2.17 Storing results and silo calculations ................ 99 2.17.1 Storing determination results ................99 2.17.2 Silo calculations....................100 2.18 Manual dosing and preparation of titration burets ..........103 2.18.1 Manual dosing ....................103 2.18.2 Preparation of titration burets, key <PREP> ..........103 751 GPD Titrino...

  • Page 3: Table Of Contents

    6.3.2 Wet tests ......................225 6.3.3 Maintenance and adjustment of the Titrino............225 6.4 Warranty and certificates..................226 6.4.1 Warranty......................226 6.4.2 Certificate of Conformity and System Validation ..........227 6.5 Scope of delivery and ordering designations............229 Index ........................232 751 GPD Titrino...

  • Page 4: Overview

    Rear view of instrument: Remote 1.751 RS 232 Dos1 Dos2 Ind I Ind II 100 - 240 V f = 50 - 60 Hz S = 15 W Pt 100/1000 Key- board Made by Metrohm Herisau Switzerland 751 GPD Titrino...
  • Page 5 (calculation of mean and standard deviation) is "SILO" Lamp is on when silo memory (for sample data) is on. Setting of display contrast Controls the dosing rate during manual dosing with <DOS> and subsequent filling Opening for the memory card 751 GPD Titrino...
  • Page 6 With power supplies where the voltage is subject to severe HF distur- bances, the Titrino should be operated via an additional power filter, e.g. Metrohm 615 model. Connection for external dosing units D1 and D2 685 Dosimats or 700 Dosinos...

  • Page 7: Manual Operation

    Clears values, set special values. ENTER Stores values. STOP Stops methods. QUIT Quits inquiries, waiting times, printing. START Starts methods. The third functions (inscriptions in the triangle) on the keys of the keypad are used for formula entry, see page 74. 751 GPD Titrino...

  • Page 8: Principle Of Data Input

    If you press <QUIT> once more you quit the in- >auxiliaries >RS232 settings COM1 quiries in "configuration" altogether. >RS232 settings COM2 >common variables • If you can scroll, ↓ or ↑ appear in the right lower or >prep.dosing elements upper corner of the display. 751 GPD Titrino...

  • Page 9: Text Input

    2. Open the text writing mode directly: Press key <ABC>. 3. <CLEAR> now deletes the characters one by one or you can add additional characters. 4. If your text is complete, leave the text writing mode with <QUIT> and confirm the text with <ENTER>. 751 GPD Titrino...

  • Page 10: Configuration, Key

    Titrino is switched on if the measuring input has a current calibration date. If the monitoring responds the message "calibrate electrode" appears. The counter will be reset to zero on the next pH calibration of this input. 751 GPD Titrino...
  • Page 11 Sartorius: Models MP8, MC1 Mettler: Models AM, PM and balances with 011, 012, and 016 interfaces Mettler AT: Model AT AND: Models ER-60, 120, 180, 182, FR-200, 300 and FX-200, 300, 320 Precisa: Models with RS232C interface 751 GPD Titrino...
  • Page 12 Automatic starts of titrations. (1...9999, OFF) auto start Number of automatic starts ("number of samples"). Used for instrument interconnections in which the external instrument does not initiate a start. Not advisable in connections with Sample Changers. 751 GPD Titrino...
  • Page 13 Titrino, that a preparation should be executed. Report of prep (ON, OFF) report: With ON, a report will be printed automatically after prep. The report is outputted on the COM which is given for manual reports. 751 GPD Titrino...
  • Page 14 Length of the aspirating tube (1...999.9 cm) len.asp.tub.DX 25.0 cm Diameter of the aspirating tube (0.1...9.9 mm) diam.asp.tub.Dx 2.0 mm Dosing rate (0.01...150 ml/min, max.) dos.rate max. ml/min Filling rate (0.01...150 ml/min, max.) fill rate max. ml/min 751 GPD Titrino...
  • Page 15 "ON" means that the corresponding function is not accessible anymore. <configuration>: The corresponding key is locked. <parameters>: <smpl data>: The corresponding function in the internal method recall method: memory of the Titrino is locked. store method: delete method: 751 GPD Titrino...
  • Page 16 1 is greatest width. If you set 1 you may loose the label at the right margin. Length (0.01...1.00) length Volume axis Curve length per cylinder volume 0.01 100 cm 10 cm 2 cm 1 cm Time axis: Curve length 0.01 100 cm 10 cm 2 cm 1 cm 751 GPD Titrino...

  • Page 17: Selection Of The Mode, Key

    TIP is an empty "shell". The TIP sequence has to be defined with <DEF>, see page 85. You will find a survey of the modes in the short Instructions for use, page 12. 751 GPD Titrino...

  • Page 18: Parameters, Key

    Size of volume increment (0...9.999 mL) V step 0.10 ml Dosing step. Small volume increments are needed to determine blank values or to assure accuracy with highly unsymmetrical curves. Selection of size of the increment, see page 21. 751 GPD Titrino...
  • Page 19 Dosing rate for start volume (0.01...150 mL/min, max.) **titr. <CLEAR> sets "max.". Maximum rate depends on the Exchange Unit: Exchange Unit max. 5 mL 15 mL/min 10 mL 30 mL/min 20 mL 60 mL/min 50 mL 150 mL/min 751 GPD Titrino...
  • Page 20 If "abs." is set: Absolute stop volume (0...9999.99 mL) stop V 99.99 ml **titr. If "rel." is set: Factor for relative stop volume (0...±999 999) factor 999999 Calculated as: Stop V in mL = factor * sample size **titr. 751 GPD Titrino...
  • Page 21 Lower limit of window 1 low lim.1 pH -20.00 upper limit of window 1 up lim.1 pH 20.00 (Input ranges for both inquiries depend on the measured quantity): 0...±20.00, OFF U, Ipol: 0...±2000 mV, OFF Upol: 0...±200.0 uA, OFF) 751 GPD Titrino...
  • Page 22 Lower limit for sample size (0.0...999 999) low lim. Upper limit for sample size (0.0...999 999) up lim. 999999 Pulse output on I/O line "activate" (L6, pin 1) of the activate pulse: remote socket (ON, OFF) see page 223. 751 GPD Titrino...
  • Page 23 The titration is terminated according to the first criterion Stop conditions which is met. (Stirrer OFF) The stirrer is switched off. Calculations Evaluations and calculations are carried out. Data are outputted. Data output 751 GPD Titrino...
  • Page 24 The standard value of 10.0 uL is suitable for most cases. The EP's are evaluated according to a special METROHM procedure which is so sensitive that even weak equivalence points are determined correctly. Equivalence Point Criteria.
  • Page 25 This can produce "ghost EP's"! The EP's are localized with an algorithm which is based on Fortuin and has been adapted by METROHM for numeric procedures. (METROHM Bulletin 2, No. 10, 1971). Here, the greatest change in the measured value is sought (∆...
  • Page 26 1 EP1, the second is not recognized. EP1 is marked as EP1 + to indicate EP window 1 that more than one EP has been found in the window EP 1 lower lim. 1 V/ml 751 GPD Titrino...
  • Page 27 A start volume must be smaller than half of the equivalence point volume of the first EP. The pK/HNP values are available for calculation as C6X. Minimum/maximum evaluation Volumes at minimum or maximum voltage values are extrapolated. These volumes are accessible as variables C49 and C48 resp. and can be used in formulas. 751 GPD Titrino...

  • Page 28: Parameters For Set

    This parameter determines primarily the addition rate outside the control range, see also page 31. The maximum rate depends on the Exchange Unit: Exchange Unit max. 5 mL 15 mL/min 10 mL 30 mL/min 20 mL 60 mL/min 50 mL 150 mL/min 751 GPD Titrino...
  • Page 29 If "abs." is set: start V 0.0 ml Absolute start volume (0...999.99 mL) cond. If "rel." is set: factor Factor for relative start volume (0...±999 999). cond. Calculated as: start V in mL = factor * sample size 751 GPD Titrino...
  • Page 30 Temperature is measured at the start of the titration if a cond. T sensor is connected. The value is used for temperature compensation in pH titrations. Time interval (1...999 999 s) time interval Time interval for acquisition of a measured value into cond. the measuring point list. 751 GPD Titrino...
  • Page 31 0.0 ul/min cond. Request of identifications after start of titration (id1, req.ident: id1&2, all, OFF) cond. After start, sample identifications can be requested automatically: Only id1, id1 & id2, all three id's or no inquiries. 751 GPD Titrino...
  • Page 32 Upper limit for sample size (0.0...999 999) up lim. 999999 cond. Pulse output on I/O line 6 (L6, pin 1) of the remote activate pulse: socket (first, all, cond., OFF) cond. see page 224. 751 GPD Titrino...
  • Page 33 (Stirrer OFF) The stirrer is switched off when there is no conditioning. Calculations Calculations are carried out. Data output Data are outputted. (Reconditioning) Conditioning is carried out. 751 GPD Titrino...
  • Page 34 You can get an initial, good approximation for the start of the control range from the intersection point of the tangents: "steep curves" "flat curves" U/mV U/mV Control range Control range V/ml V/ml 751 GPD Titrino...
  • Page 35 5 uL (50 ml) 60 uL/min 30 uL/min 15 uL/min Same t(delay) with a range of extremely small volume increments means different switch- off points. In case the stop criterion "drift" is used, the stopping point remains the same. 751 GPD Titrino...
  • Page 36 • Set higher "min.rate". Titration time is too long. • Set higher "max.rate". • Lower "dynamics". • Set "min.rate" lower. Scatter in titration results is too great. 751 GPD Titrino...

  • Page 37: Parameters For Kft

    This parameter determines the addition rate at the start **titr. and the end of the titration, see also page 40. This parameter influences the titration speed and therefore its accuracy very strongly: A smaller "min.volume incr." results in a slower titration. 751 GPD Titrino...
  • Page 38 Dosing rate for start volume (0.01...150 mL/min, max.) dos.rate max. ml/min <CLEAR> sets "max.". **titr. The maximum rate depends on the Exchange Unit: Exchange Unit max. 5 mL 15 mL/min 10 mL 30 mL/min 20 mL 60 mL/min 50 mL 150 mL/min 751 GPD Titrino...
  • Page 39 The temperature is measured at the start of the titration cond. if a T sensor is connected. Time interval (1...999 999 s) time interval Time interval for acquisition of a measured value into cond. the measuring point list. 751 GPD Titrino...
  • Page 40 0.0 ul/min cond. Request of identifications after start of titration (id1, req.ident: id1&2, all, OFF) cond. After start, sample identifications can be requested automatically: Only id1, id1 & id2, all three id's or no inquiries. 751 GPD Titrino...
  • Page 41 Titrino the via RS232 inter- face. Pulse output on I/O line L6 (L6, pin 1) of the remote activate pulse: socket (first, all, cond., OFF) e.g. start of a Dosimat, cond. see page 224. 751 GPD Titrino...
  • Page 42 (Stirrer OFF) The stirrer is switched off when there is no conditioning. Calculations Calculations are carried out. Data output Data are outputted. (Reconditioning) Conditioning is carried out. 751 GPD Titrino...
  • Page 43 • Titer determination should have the same modes and the same parameters as the sample titrations. • In most cases the preset default parameters provide precise and reproducible results. • Ipol gives relatively steep curves. They are flatter with Upol. 751 GPD Titrino...
  • Page 44 • If you select negative values for a parameter, you should choose negative values for all other parameters too in order to have compatible parameter sets. • In KFT Upol mode, all parameters work in a similar manner as in KFT Ipol mode. 751 GPD Titrino...
  • Page 45 The endpoint is reached "too rapidly". • With 2-component reagents the buffer capacity of the The titration times become longer and longer. solvent can be exhausted. Change solution. • If the drift increases at the same time, see above. 751 GPD Titrino...

  • Page 46: Parameters For Stat

    This parameter determines primarily the addition rate outside the control range, see page 51. The maximum rate depends on the Exchange Unit: Exchange Unit max. 5 mL 15 mL/min 10 mL 30 mL/min 20 mL 60 mL/min 50 mL 150 mL/min 751 GPD Titrino...
  • Page 47 Start measured value for data acquisition (input range start pH depends on the measured quantity: 0...±20.00, OFF U, Ipol: 0...±2000 mV, OFF Upol: 0...±200.0 uA, OFF) <CLEAR> sets "OFF". Measured values will be acquired only after start of measured value has been reached. 751 GPD Titrino...
  • Page 48 "OFF" means that the test is not performed. Temperature (-170.0...500.0 °C) temperature 25.0 °C If a T sensor is attached, the temperature is measured continuously and the pH values corrected accordingly. The last measured value is entered as the "temperature" parameter. 751 GPD Titrino...
  • Page 49 Filling rate (0.01...150 mL/min, max.) filling rate max. ml/min <CLEAR> sets "max.". **titr. The maximum rate depends on the Exchange Unit: Exchange Unit max. 5 mL 15 mL/min 10 mL 30 mL/min 20 mL 60 mL/min 50 mL 150 mL/min 751 GPD Titrino...
  • Page 50 0...±200.0 uA) Action if a limit is exceeded (end, hold, wait, none) action: none end: Abort. **titr. hold: Hold reagent addition until manually restarted. wait: Hold reagent addition until limits are again complied with, then continue automatically. 751 GPD Titrino...
  • Page 51 Output line is set to 0 V. pulse: Pulse > 100 ms. Important: An active line will be set inactive with an impulse! Same possibilities for lines L11, L12, L13. Pin assignment on socket "Remote": Pin 8 Pin 13 Pin 19 Pin 20 751 GPD Titrino...
  • Page 52 Upper limit for sample size (0.0...999 999) up lim. 999999 Display rate (ON, OFF) display rate: Display current rate during the titration. Pulse output on line "activate" (L6, pin 1) of the remote activate pulse: socket (ON, OFF) see page 223. 751 GPD Titrino...
  • Page 53 The titration is terminated according to the first stop crite- Stop conditions rion which has been met. (Stirrer OFF) Stirrer is switched off. Evaluations and calculations are carried out. Calculations The measuring point list is the base for evaluations (and curves). Data output Data are output. 751 GPD Titrino...
  • Page 54 • Are the tubing lengths kinked? • Possibly use Exchange Unit with a small cylinder volume (smaller volume increment per pulse). • Set "dynamics" smaller. Time for reaching the control point is too long. • Set "min.rate" higher. • Set "max.rate" higher. 751 GPD Titrino...
  • Page 55 (EP) has been reached the first time. t(delay): t(delay) can be used as "after reaction time". It starts after the last dosing step, i.e. with every dosing, t(delay) will be restarted from zero. 751 GPD Titrino...
  • Page 56 The final volume is available as variable C41 and can be used to calculate results. Example of a measuring point list. Monitoring of measured value and temperature active. 751 GPD Titrino 0P1/101 751.0020...
  • Page 57 The volume is entered as a fraction of the total dispensed volume. If the volume remains constant over several measured points, the last associated time value is taken. The fix time for 1.0 V(tot) is evaluated after the final volume. Example: 751 GPD Titrino 0P1/101 751.0020 date 1999-06-22...

  • Page 58: Parameters For Dos

    The measuring point list can contain max. 500 points. Selection of dosing element (internal D0, external D1, dos.element: internal D0 external D2) internal D0: internal buret of the Titrino external D1/2: buret D1, D2, resp 751 GPD Titrino...
  • Page 59 Measured values (pH, U, Ipol, Upol, OFF) meas.mode: If ≠ "OFF" follow the requests: **titr. Measuring input (1, 2, diff.) meas.input: Request only with measuring modes pH and U. Measuring input 1 or 2 or differential amplifier; connection of electrodes, see page 215. 751 GPD Titrino...
  • Page 60 Output line is set to 0 V. pulse: Pulse > 100 ms. Important: An active line will be set inactive with an impulse! Same possibilities for lines L11, L12, L13. Pin assignment on socket "Remote": Pin 8 Pin 13 Pin 19 Pin 20 751 GPD Titrino...
  • Page 61 Lower limit for sample size (0.0...999 999) low lim. Upper limit for sample size (0.0...999 999) up lim. 999999 Pulse output on line "activate" (L6, pin 1) of the remote activate pulse: socket (ON, OFF) see page 223. 751 GPD Titrino...
  • Page 62 The dosing is terminated when the dosing volume or the dosing time is reached. Calculations Calculations are carried out. Data are output. The measuring point list is the base for Data output curves. 751 GPD Titrino...
  • Page 63 The dispensing rate is thus given by 1000 mL/52.717 min = 18.972 mL/min Summary in a formula: Volume 1000 Rate = ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ = ÄÄÄÄÄÄÄÄÄÄÄÄÄÄ=18.972 ml/min Disp.time - Refills * Fill.time * 1/60 60 - 19 * 23 * 1/60 751 GPD Titrino...
  • Page 64 The values from the measuring point list can be shown graphically. Example: Profile of the pH value during a dispensing with the "wait" action. Curve pH vs. time ("meas crv") Curve volume vs. time ("curve") 751 GPD Titrino 0P1/101 751.0020 751 GPD Titrino 0P1/101 751.0020...

  • Page 65: Parameters For Doc

    **titr. 0...20.00, OFF U, Ipol: 0...±2000 mV, OFF Upol: 0...±200.0 uA, OFF) <CLEAR> sets "OFF". "OFF" means largest control range (dynamics), i.e. slow reagent addition. Outside the control range, dispensing is performed continuously, see also page 68. 751 GPD Titrino...
  • Page 66 <QUIT>. Time interval (1...999 999 s) time interval 10 s Time interval for the entry of the measured values in the measuring point list. The measuring point list can contain max. 500 points. 751 GPD Titrino...
  • Page 67 Filling rate (0.01...150 mL/min, max.) filling rate max. ml/min <CLEAR> sets "max.". **titr. The maximum rate depends on the Exchange Unit: Exchange Unit max. 5 mL 15 mL/min 10 mL 30 mL/min 20 mL 60 mL/min 50 mL 150 mL/min 751 GPD Titrino...
  • Page 68 Output line is set to 0 V. pulse: Pulse > 100 ms. Important: An active line will be set inactive with an impulse! Same possibilities for lines L11, L12, L13. Pin assignment on socket "Remote": Pin 8 Pin 13 Pin 19 Pin 20 751 GPD Titrino...
  • Page 69 Upper limit for sample size (0.0...999 999) up lim. 999999 Display rate (ON, OFF) display rate: Display current rate during the titration. Pulse output on line "activate" (L6, pin 1) of the remote activate pulse: socket (ON, OFF) see page 223. 751 GPD Titrino...
  • Page 70 (Stirrer OFF) The stirrer is switched off. Calculations Calculations are carried out. Data are output. The measuring point list is the base for Data output curves. 751 GPD Titrino...
  • Page 71 • If the last measured value is important, set the sweep time 1 s higher than the last expected measured value, i.e. sweep time = (time interval*number meas.values)+1. 751 GPD Titrino...

  • Page 72: Parameters For Meas

    (-1270...1270 mV, in steps of 10 U(pol) 400 mV is inquired. Electrode test (OFF, ON) electrode test: Test for polarized electrodes. Performed on changeover from the inactive standby mode to a measurement. "OFF" means that the test is not performed. 751 GPD Titrino...
  • Page 73 Lower limit for sample size (0.0...999 999) low lim. Upper limit for sample size (0.0...999 999) up lim. 999999 Pulse output on line "activate" (L6, pin 1) of the remote activate pulse: socket (ON, OFF) see page 223. 751 GPD Titrino...

  • Page 74: Parameters For Cal

    If drift and time are both set to "OFF", the measured value acquisition is immediate. Electrode identification (up to 8 characters). electr.id Calibration with sample changer (ON, OFF) sample changer cal: In calibrations with a sample changer, there are no 751 GPD Titrino...
  • Page 75 Data are output. The calibration data are available for calculation: C46: pHas C47: Electrode slope Calibration data can be viewed at any time with the <CAL.DATA> key and the calibration report printed out using the key sequence <PRINT><CAL.DATA><ENTER>. 751 GPD Titrino...

  • Page 76: Parameters For Tip

    "OFF" means that the test is not performed. Temperature (-170.0...500.0 °C) Temperature for pH compensation. Its value has to be temperature 25.0 °C entered manually even if a T sensor is connected. 751 GPD Titrino...

  • Page 77: Result Calculations

    • To delete a complete formula press <CLEAR> repeatedly until only RSX remains in the display. Confirm with <ENTER>. If a formula is stored with <ENTER>, result text, number of decimals and result unit will be requested: 751 GPD Titrino...
  • Page 78 Fix EP for DET and MET or Fix V for STAT. C61...C69 pK/HNP values for DET and MET or Fix V for STAT. C70...C79 Temporary variables for calculations in TIP. Mean rate for STAT. C81...C89 Rates, evaluated in preset time windows for STAT. 751 GPD Titrino...
  • Page 79 For the calculation, the operands are used, which were introduced in the formula. The inputs method specific and are store in method memory. The calculation report can be printed with the key sequence <PRINT><←/→> (press keys repeatedly until "calc" appears in the display) <ENTER> 751 GPD Titrino...

  • Page 80: Statistics Calculation

    "delete n": Deletion of single results with the index n. "delete all": The entire table is deleted. Delete data from sample number n (1...20) The deleted result is removed from the statistics calculation. delete 751 GPD Titrino...
  • Page 81 • On method change, the old statistics table is cleared and the statistics instructions of the new method followed. • Old results in the statistics table can be deleted with "delete all" (<PARAM>, ">statistics", "res.tab:"). 751 GPD Titrino...

  • Page 82: Common Variables

    Results (RSX), endpoints (EPX), variables (CXX), and means (MNX) can be assigned. The values of the common variables remain in force for C39= all methods until they are overwritten or deleted. They can be viewed under the <CONFIG> key. Delete allocation with <CLEAR>+<ENTER>. 751 GPD Titrino...

  • Page 83: Data Output

    Combined titration curve and 1st derivative (with DET) meas crv Measured value vs. time (with STAT, DOS and DOC; monitoring of meas active). temp crv Temperature vs. time (with STAT, DOS and DOC; monitoring of temperature active). 751 GPD Titrino...
  • Page 84 <PRINT><REPORTS><ENTER>. Original reports have double dashes ==== at the end, whereas recalculations are marked by single dashes ----. Report outputs can be stopped with <QUIT>. Example of reports: Full result report 751 GPD Titrino 0P1/101 751.0020 date 1999-06-27 time 08:54 Card label if a card was inserted, see page card label: Appl.751...
  • Page 85 If you work without printer, we recommend to work with the standard character set for result display (settings in key <CONFIG>, ">auxiliaries", see page 10). You will get the complete information on your determinations: Calculated results, endpoints, messages etc. 751 GPD Titrino...
  • Page 86 If you place the cursor in DET and MET curves onto the EP, the data of this EP are also shown. • The EP number and its ERC (Endpoint Recognition Criterion). • The EP volume. 751 GPD Titrino...

  • Page 87: User Name, Key

    If no operator name is to be printed out the operator "blank" can be selected. Delete user name >delete Enter the name directly or select it with the keys <←> name: and <→>. <ENTER> will delete the name from the list of user names. 751 GPD Titrino...

  • Page 88: Tip, Titration Procedure

    Confirm the step with <ENTER> and enter the parameter for the selected step, see below. 2 x <QUIT> The request for the second step follows etc. Up to 30 steps can be selected. On completion of the sequence definition, exit the inquiry with <QUIT>. 751 GPD Titrino...
  • Page 89 In TIP the stirrer is not switched automatically in the submethods. At the end of TIP the stirrer is switched off (if stirrer control is ON). The parameters of the sequence can be viewed and changed at any time under the <PARAM> key. 751 GPD Titrino...
  • Page 90 The titration burets can be prepared. TIP higher-level calculations are carried out. TIP calculations TIP data output Data output in TIP (TIP contains no more deter- mination data, i.e. curves must be put out within the submethods). 751 GPD Titrino...
  • Page 91 In TIP calculations variables C7X from different submethods can be used, formula entry see page 74. Note: We recommend to execute the calculations in TIP, as they can only be recalculated "dryly" in TIP itself, e.g. with a different sample size. 751 GPD Titrino...

  • Page 92: Method Memory, Keys And

    For safety, you are again asked if you really wish to delete the method. With <ENTER> it is deleted, with <QUIT> you return to the working memory. If a method name is entered which is not found in the method memory, the selected value blinks. 751 GPD Titrino...
  • Page 93 With a PC and the 6.6008.XXX Vesuv program or with the 6.6028.100 menu program, you should carry out a complete method backup from time to time. Making the backup on the card, pay attention of the exchange date of the battery! 751 GPD Titrino...

  • Page 94: Key

    >delete method directory of the card. Change, create, delete directory >change directory >create directory If a directory is deleted, it is deleted together with all its >delete directory methods. (directory name with up to 10 characters) dir.name: 751 GPD Titrino...
  • Page 95 • Methods can be stored in different directories, e.g. in directories depending on the sample type or the user. • The card can be used as an extended memory. • You will find many application methods on the application card 6.6029.010. 751 GPD Titrino...
  • Page 96 • Methods of the whole card: key sequence <PRINT><←/→><ENTER>; press the cursor keys repeatedly until "card" appears in the display. Ordering designations Memory card with 128 Kbytes memory space..........6.2245.010 Application card with application file ............6.6029.010 751 GPD Titrino...

  • Page 97: Calibration Data, Key

    If an electrode identification has been entered in the CAL mode, it is automatically entered after the calibration. The calibration report with the current measuring input data can be printed at any time with the key sequence <PRINT><CAL.DATA><ENTER>. 751 GPD Titrino...

  • Page 98: Current Sample Data, Key

    Sample size (6-digit number: ±X.XXXXX) smpl size 1.0 g Entry using keypad, via balance or via barcode reader. Unit of sample size (g, mg, ml, ul, pc, no unit or up to 5 smpl unit: characters) Select unit with <←/→>. 751 GPD Titrino...

  • Page 99: Silo Memory For Sample Data

    For mixed operation, manual input of identifications and sample sizes from a balance, the values from the balance are sent into the line in which editing just takes place. Confirmed the data with <ENTER> at the Titrino. 751 GPD Titrino...
  • Page 100 To show that a line has been deleted, they are marked with "*". The symbol * indicates that the line has been deleted. Deleted lines can be reactivated if the appropriate line is re-edited. 751 GPD Titrino...
  • Page 101 Silo memory contains 35 lines. 6 of 35 lines have been processed. Next free line is 36. The processed lines have been copied to the end of the silo memory: your silo is filled up to line 751 GPD Titrino...

  • Page 102: Storing Determination Results

    <PRINT><USER METH><ENTER> the number of free bytes is shown.) Result name, value and unit are stored. The memory requirements can be estimated as follows: Result with text (8 characters) and unit (5 characters): 32 bytes Measured value C40, value without unit: 22 bytes 751 GPD Titrino...

  • Page 103: Silo Calculations

    2.17. Storing determination results and silo calculations After several samples have been processed, the silo memory report can have the following appearance (printout with <PRINT><SILO><ENTER>): 751 GPD Titrino 0P1/101 751.0020 date 1999-06-27 time 08:54 >silo cycle lines: save lines: sl method...
  • Page 104 2.17 Storing determination results and silo calculations Starting from the following silo report: 751 GPD Titrino 0P1/101 751.0020 date 1999-06-27 time 08:54 >silo cycle lines: save lines: method id 1/C21 id 2/C22 id 3/C23 11-2 A/12 94-09-12 0.233g 0.142ml/min 98.53%...
  • Page 105 2. Assignment of temporary variables C7X for TIP 3. Calculation of means MNX 4. Assignment of silo results C24 and C25 5. Silo calculations 6. Assignment of means C26 and C27 from silo calculations 7. Assignment of common variables C3X 751 GPD Titrino...

  • Page 106: Manual Dosing And Preparation Of Titration Burets

    Volume of the aspiration tube, volume of the cylinder, volume of the dosing tube. The cylinder volume can be expelled either through the top or back to the bottle. The parameters are entered under <CONFIG>, see page 11. 751 GPD Titrino...
  • Page 107 2.18. Manual dosing and preparation of titration burets 751 GPD Titrino...

  • Page 108: General Rules

    Entries which start with $, trigger something. They are thus called triggers. Values of objects can not only be queried, they can also be modified. Values are always entered in quotes, for example: &Config.Aux.Language "english" 751 GPD Titrino...

  • Page 109: Call Up Of Objects

    'Language' at this level: ..L quire n+1 preceding dots. Change from node 'Language' via the root to If you must jump back to the root, enter a pre- node 'Mode': &M ceding &. 751 GPD Titrino...

  • Page 110: Triggers

    Examples: Querying the value of the baud rate: &Config.RSSet.Baud $Q Querying all values of the node "RSSet": &Config.RSSet $Q Querying the path of the node "RSSet": &Config.RSSet $Q.P Start mode: &Mode $G Querying the detailed status: $D 751 GPD Titrino...

  • Page 111: Status Messages

    Instrument in the STAT mode, requesting unit of sample size after start. .Unit Instrument in the STAT mode, processing the start conditions. .Start Instrument in the STAT mode, controlling. .Titr: Instrument in the STAT mode, waiting because a monitored limit has been .Wait: violated. As STAT. $G .Mode.DOS... 751 GPD Titrino...
  • Page 112 The status conditions of the global $C are identical with the ones of the global status $G. They appear when the process has been restarted actively from the status "Hold" ($C, key <meas/hold> or automatically after elimination of an error). 751 GPD Titrino...
  • Page 113 $S .Mode.XXXX.QuickMeas The instrument gives the status from which it has been stopped. The detailed status information is therefore identical to for the global status $G. Violation of monitored limits with action "end" give the status message $S.Mode.XXX.Inac;EYYY. 751 GPD Titrino...

  • Page 114: Error Messages

    Exit: Send new command. Value has been corrected automatically. Exit: Send new command. Instrument at the end of the titration and sample data is edited; the instrument at rest or editing during filling. Exit: &m $S. 751 GPD Titrino...
  • Page 115 Exit: The error message disappears on next startup or on recalculation. E128 No new mean. Exit: The error message disappears on next startup or on recalculation. E129 No new common variable, old value remains. Exit: The error message disappears on next startup or on recalculation. 751 GPD Titrino...
  • Page 116 Rate too high in DOS. No dispensing possible with the Exchange Unit currently mounted. Exit: The error message disappears on next start or &m $S. E170 Fix time missing for calculation. Exit: The error message disappears on next start or on recalculation. 751 GPD Titrino...
  • Page 117 E198 Validation interval is expired. Exit: The error message disappears on next start or clear counter with &Config.Monitoring.Validation.ClearCount $G. E199 Service date is reached. Exit: The error message disappears on next start or change date in &Config.Monitoring.Service.Date. 751 GPD Titrino...
  • Page 118 <CLEAR>. The dosing element will be initialized. E282 Overload in dosing element: cock is blocked. Exit: <STOP>, <QUIT>. Rectify fault at the wet part. Mount it again onto the dos driver and press <CLEAR>. The dosing element will be initialized. 751 GPD Titrino...

  • Page 119: Remote Control Commands

    Administration of the memory card à Config Instrument configuration à SmplData Sample specific data à Hotkey Keys with direct access à Info Current Data à Assembly Component data à Setup Setting the operating mode À Diagnosis Diagnostics program 751 GPD Titrino...
  • Page 120 ³ ³ Ã .C70 for C70 RSX,EPX,CXX 3.2.2.10. ³ ³ Ã up to C79 Ã .CFmla Calculation constants ³ Ã Calculation constant C01 ³ ³ Ã .Value Input of value 0...±999 999 3.2.2.11. ³ Ã up to C19 751 GPD Titrino...
  • Page 121 ³ ³ Ã .Status Status of limit control ON, OFF ditto ³ ³ Ã .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .ActPulse Output of a pulse ON, OFF 3.2.2.28. 751 GPD Titrino...
  • Page 122 ³ ³ Ã .Status Status of limit control ON, OFF ditto ³ ³ Ã .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .ActPulse Output of a pulse ON, OFF 3.2.2.28. 751 GPD Titrino...
  • Page 123 Status of limit control ON, OFF ditto ³ ³ Ã .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .ActPulse Output of a pulse first, all, cond., OFF 3.2.2.28. 751 GPD Titrino...
  • Page 124 .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .Oven KF Oven connected COM1, COM2, no 3.2.2.39. ³ Ã .ActPulse Output of a pulse first, all, cond., OFF 3.2.2.28. 751 GPD Titrino...
  • Page 125 ON, OFF 3.2.2.24. ³ Ã .MeanN No. of individual determinations 2...20 ditto ³ Ã .ResTab Result table ³ ³ Ã .Select original,delete n,delete all ditto ³ ³ Ã .DelN Deletion of individual results 1...20 ditto ³ ³ 751 GPD Titrino...
  • Page 126 ³ ³ Ã .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .RateDisp Display of drift during cond. ON, OFF 3.2.2.51. ³ Ã .ActPulse Output of a pulse ON, OFF 3.2.2.28. 751 GPD Titrino...
  • Page 127 Limits for monitoring of Ipol values ³ ³ ³ as for U ³ ³ Ã Limits for monitoring of Upol values ³ ³ ³ as above ³ ³ Ã .Action Action if out of limits end, hold, wait, none ditto 751 GPD Titrino...
  • Page 128 ³ ³ Ã .Status Status of limit control ON, OFF ditto ³ ³ Ã .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .ActPulse Output of a pulse ON, OFF 3.2.2.28. 751 GPD Titrino...
  • Page 129 ³ ³ Ã .Status Status ON, OFF 3.2.2.47. ³ ³ Ã .LowLim Lower limit -170.0...500.0 ditto ³ ³ Ã .UpLim Upper limit -170.0...500.0 ditto ³ ³ Ã .Action Action if out of limits end, hold, wait, none ditto 751 GPD Titrino...
  • Page 130 ³ ³ Ã .LoLim Lower limit 0.0...999 999 ditto ³ ³ Ã .UpLim Upper limit 0.0...999 999 ditto ³ Ã .RateDisp Display of drift during cond. ON, OFF 3.2.2.49. ³ Ã .ActPulse Output of a pulse ON, OFF 3.2.2.28. 751 GPD Titrino...
  • Page 131 Status of statistics calculation ON, OFF 3.2.2.24. ³ Ã .MeanN No.of individual determinations 2...20 ditto ³ Ã .ResTab Result table ³ ³ Ã .Select original,delete n,delete all ditto ³ ³ Ã .DelN Deletion of individual results 1...20 ditto 751 GPD Titrino...
  • Page 132 Measuring input 1, 2, diff. ditto ³ Ã .Ipol Polarization current 0...1...±127 ditto ³ Ã .Upol Polarization voltage 0...400...±1270 ditto ³ Ã .PolElectrTest Test for polarized electrodes ON, OFF ditto ³ Ã .Temp Titration temperature -170.0...25.0...500.0 ditto 751 GPD Titrino...
  • Page 133 ³ ³ à .DosUnit Dosing element read only ditto ³ ³ à .Bytes Method size in bytes read only ditto ³ ³ à .Checksum Checksum of method read only ditto à for each method 751 GPD Titrino...
  • Page 134 ³ ³ ³ Ã .DosUnit Dosing element read only ditto ³ ³ ³ Ã .Bytes Method size in bytes read only ditto ³ ³ ³ Ã .Checksum Checksum of method read only ditto ³ ³ Ã for each method 751 GPD Titrino...
  • Page 135 Time interval for validation 1...7...9999 ditto ³ ³ Ã .Counter Time counter 0...9999 ditto ³ Ã .Service Monitoring of Metrohm service 3.2.2.93. ³ ³ Ã .Status Status of service monitoring ON, OFF ditto ³ ³ Ã .Date Date of next service...
  • Page 136 ³ ³ ³ ³ Ã .Diam Diameter 0.1...2.0...9.9 ditto ³ ³ ³ Ã .DosRate Dosing rate 0.01...150, max. 3.2.2.120. ³ ³ ³ Ã .FillRate Filling rate 0.01...150, max. ditto ³ Ã .D2 Buret D2 as for D1 751 GPD Titrino...
  • Page 137 .DelLine Delete silo line 3.2.2.125. ³ ³ Ã .LineNum Line number 1...255, OFF ditto ³ Ã .DelAll Delete silo line 3.2.2.126. ³ Ã .CycleLines Cycle lines ON, OFF 3.2.2.127. ³ Ã .SaveLines Save results ON, OFF 3.2.2.128. 751 GPD Titrino...
  • Page 138 10 ASCII char ditto ³ Ã .DelAll Delete all users ditto ³ Ã .List List of users ³ ³ Ã User 1 ³ ³ ³ Ã .Name Name of user read only ditto ³ ³ Ã up to 99 751 GPD Titrino...
  • Page 139 ³ ³ ³ for each measuring point ³ Ã .TitrResults Titration results ³ Ã .RS Calculated results ³ ³ Ã result ³ ³ ³ Ã .Value Value read only 3.2.2.135. ³ ³ Ã up to 9 results 751 GPD Titrino...
  • Page 140 ³ ³ Ã .Mean Mean value read only ditto ³ ³ Ã .Std Absolute standard deviation read only ditto ³ ³ Ã .RelStd Relative standard deviation read only ditto ³ Ã .C27 as for C26 751 GPD Titrino...
  • Page 141 ³ Ã .Comport Comport ³ ³ Ã .Number COM where PC is connected read only 3.2.2.148. ³ Ã .Assembly Assembly ³ Ã CycleTime Cycle time read only 3.2.2.149. ³ Ã ExV Volume of Exchange/Dosing unit read only ditto 751 GPD Titrino...
  • Page 142 3.2.2.157. ³ Ã .SetLines Set I/O lines ditto ³ ³ Ã Signal on L0 active,inactive,pulse,OFF ditto ³ ³ Ã up to L13 ³ Ã .ResetLines Reset I/O lines ditto ³ Ã .Stirrer Stirrer ON, OFF 3.2.2.158. ³ 751 GPD Titrino...
  • Page 143 Measured value drift ON, OFF ditto ³ ³ Ã .dMeasdV 1st deviation of titration curve ON, OFF ditto ³ ³ Ã .ERC ERC from DET ON, OFF ditto ³ ³ Ã Temp.as secondary meas. ON, OFF ditto ³ 751 GPD Titrino...
  • Page 144 .Initialise Set default values 3.2.2.172. ³ à .Select Selection of branch ActMeth,Config,Silo,Calib ³ Assembly,Setup,All ditto à .RamInit Initialization of working mem. 3.2.2.173. à .InstrNo Device Identification 3.2.2.174. à .Value Input of device identification 8 ASCII characters ditto 751 GPD Titrino...
  • Page 145 3.2. Remote control commands &Diagnose Object Description Input range Reference & Root à Diagnose Diagnose à .Report Output of adjustment parameters 3.2.2.175. 751 GPD Titrino...

  • Page 146: Description Of The Remote Control Commands

    M M ode.D .Def.F .Formulas.1.Lo .1.LoLim 0 0 ...±999 999 M M ode.D .Def.F .Formulas.1.Up .1.UpLim 0 0 ...±999 999 M M ode.D .Def.F .Formulas.1.O .1.Output active, pulse, OFF M M ode.D .Def.F .Formulas.2.F .2.Formula etc. up to .9 .9 751 GPD Titrino...
  • Page 147 Entries of more than one block have to be separated with ";". .Assign1: Output to COM1 of the Titrino. Identical for COM2. 3.2.2.9. 9. 3.2.2. M M ode.Def.M .Def.Mean.1.A .1.Assign RS1, RSX, EPX, CXX M M ode.Def.M .Def.Mean.2.A .2.Assign etc., up to .9 .9 751 GPD Titrino...
  • Page 148 If the equilibration time has never been edited, it is automatically calculated by the instrument to match the drift, see page 20. After it has been edited once, it remains in force with the set value. 3.2.2. 3.2.2.15. 15. M M ode.P .Parameter.T .TitrPara.St .StartV.T .Type abs., rel., OFF 751 GPD Titrino...
  • Page 149 The temperature is used for the temperature correction in pH measurements. 3.2.2.20. 3.2.2. 20. M M ode.P .Parameter.St .StopCond.V .VStop.T .Type abs. abs., rel., OFF M M ode.P .Parameter.St .StopCond.V .VStop.V .V 0...99.99 99.99...9999.99 M M ode.P .Parameter.St .StopCond.V .VStop.F .Factor 0...±999 999 999 999 751 GPD Titrino...
  • Page 150 Single result lines are removed from the statistics calcula- tion. All results of the corresponding line in the statistics table are deleted. Specification of the line number in .ResTab.DelN. delete all: Clear entire statistics table. The results can not be reacti- vated. 751 GPD Titrino...
  • Page 151 3.2.2. 27. M M ode.P .Parameter.P .Presel.L .LimSmplSize.S .Status ON, OFF M M ode.P .Parameter.P .Presel.L .LimSmplSize.L .LoLim 0.0...999 999 M M ode.P .Parameter.P .Presel.L .LimSmplSize.U .UpLim 0.0...999 999 999 999 Limit control for the sample size. 751 GPD Titrino...
  • Page 152 If 2 EP's have been set in a SET titration, the titration direction is given by the two EP's. The entry of the titration direction is then invalid. 3.2.2. 3.2.2.33. 33. M M ode.P .Parameter.T .TitrPara.X .XPause 0 0 ...999 999 751 GPD Titrino...
  • Page 153 .MaxRate: Maximum allowed titration rate in ml/min. Max. means maximum possible rate with mounted Exchange Unit. .MinIncr: Parameter for KFT. Minimum volume increment in ul. 3.2.2.39. 3.2.2. 39. M M ode.P .Parameter.P .Presel.O .Oven COM1, COM2, no no Parameter for KFT. 751 GPD Titrino...
  • Page 154 Parameters for STAT: Evaluation of rates in time windows. Entry of the times in s. The evaluated rates are available as variables C8X (X = 1...9). 3.2.2. 3.2.2.45. 45. M M ode.P .Parameter.E .Evaluation.F .FixVol.1.V .1.Value 0...999 999, OFF 751 GPD Titrino...
  • Page 155 °C. Temperature values are entered in the list of measured points only if the monitoring is active. On limit value violation, an action can be selected: end: Abort of the determination. hold: Interrupt dosing until the sequence is continued by manual switch- ing (&m $C). 751 GPD Titrino...
  • Page 156 55. M M ode.P .Parameter.D .DosPara.Te .Temp -170.0...25.0 25.0...500.0 Parameters for DOS, DOC: Temperature in °C. The temperature is measured continuously and updated if a T sensor is attached. The temperature is used for temperature compensation in pH measurements. 751 GPD Titrino...
  • Page 157 58. M M ode.P .Parameter.D .DosPara.S .SweepTime 0...300 300...999 999 Sweep time for the ramp in s. 3.2.2.59. 3.2.2. 59. M M ode.P .Parameter.D .DosPara.D .Dyn pH: 0.01...0.25 0.25...20.00, OFF 1...15 15...2000, OFF Ipol: 1...6 6 ...2000, OFF 751 GPD Titrino...
  • Page 158 3.2.2. 3.2.2.63. 63. M M ode.P .Parameter.M .Measuring.S .SignalDrift pH, U, Ipol, T: 0.5...999, OFF Upol: 0.05...99.9, OFF M M ode.P .Parameter.M .Measuring.U .UnitSigDrift read only 751 GPD Titrino...
  • Page 159 M M ode.P .Parameter.C .Calibration.B .Buffer.2.V .2.Value 0...4.00 4.00...±20.00, OFF etc. up to 9 buffers Parameters for CAL: pH of buffers. The first buffer which is set to "OFF" deter- mines the number of buffers in the calibration. 751 GPD Titrino...
  • Page 160 Pause time in s. INF means infinite. Continue the sequence with &m .L4 Output: Warning: A pulse triggered by the limit value monitoring at L4 (pin 3) in a submethod sets an output set to active in TIP to inactive. 751 GPD Titrino...
  • Page 161 U U serMeth.L .List.1.M .1.Mode read only U U serMeth.L .List.1.Q .1.Quantity read only U U serMeth.L .List.1.D .1.DosUnit read only U U serMeth.L .List.1.B .1.Bytes read only U U serMeth.L .List.1.C .1.Checksum read only for each method 751 GPD Titrino...
  • Page 162 MemoryCard.B B ackup.N N ame up to 10 ASCII characters Backup of the internal memory onto the card. The action is carried out if "$G" is transmitted to the corresponding node. Do not use blank characters before and after name! 751 GPD Titrino...
  • Page 163 .Checksum: Checksum of the method, see 3.2.2.133. 3.2.2.91. 3.2.2. 91. C C onfig.M .Monitoring.V .Validation.S .Status ON, OFF C C onfig.M .Monitoring.V .Validation.I .Interval 1...365 365...9999 C C onfig.M .Monitoring.V .Validation.C .Counter 0 0 ...9999 C C onfig.M .Monitoring.V .Validation.Cl .ClearCount 751 GPD Titrino...
  • Page 164 Automatic stirrer control. With "ON" the stirrer will be switched on after starting a method. At the end of the method it is switched off again. Valid for DET, MET, SET, KFT, STAT, DOC. 3.2.2. 3.2.2.99. 99. C C onfig.P .PeriphUnit.Rem .RemoteBox.S .Status ON, OFF 751 GPD Titrino...
  • Page 165 A...Z (ASCII No. 65...90), a...z (ASCII No. 97...122) and the numbers 0...9 (ASCII No. 48...57) when the function Setup.AutoInfo (3.2.2.169) is used at the same time. If a name has been entered, it will be printed out in the result report (full, short). 751 GPD Titrino...
  • Page 166 Time interval in min for automatic warning that a preparation has to be executed. 3.2.2. 3.2.2.114. 114. C C onfig.D D osPrep.DX DX(.D .Dosimat).V V 0...3.5 3.5...99999.99 Volume in ml, which will be expelled at the preparation. Start of sequence see 3.2.2.152. 751 GPD Titrino...
  • Page 167 8 ASCII characters S S mplData.O .OFFSilo.Id3 .Id3 up to 8 ASCII characters S S mplData.O .OFFSilo.V .ValSmpl 6-digits, sign and decimal point S S mplData.O .OFFSilo.U .UnitSmpl up to 5 ASCII characters Current sample data. 751 GPD Titrino...
  • Page 168 If a formerly deleted line is edited again, it becomes valid (function "undelete"). 3.2.2. 3.2.2.126. 126. S S mplData.ON .ONSilo.DelA .DelAll Deletes the entire silo memory. Must be triggered with $G. 3.2.2. 3.2.2.127. 127. S S mplData.ON .ONSilo.Cy .CycleLines ON, OFF Silo data cycling. 751 GPD Titrino...
  • Page 169 Curve measured value vs. time (with STAT, DOS, DOC and acti- vated meas monitoring). temp crv: Curve temperature vs. time (with STAT, DOS, DOC and activated temperature monitoring). adj para: Adjustment parameters. scalc full: Full report of the silo calculations. 751 GPD Titrino...
  • Page 170 .ActualMethod: Result of the checksum of the current method in the working memory. Identical methods with different method names have the same results of the checksum. 3.2.2. 3.2.2.134. 134. I I nfo.D .DetermData I I nfo.D .DetermData.W .Write ON, OFF I I nfo.D .DetermData.M .MPList.1.A .1.Attribute read only/read+write 751 GPD Titrino...
  • Page 171 C48: Voltage at maximum voltage (not valid in CAL and TIP) C49: Voltage at minimum voltage (not valid in CAL and TIP) DTime: Dosing time in s in DOS/DOC or time for the drift correction in SET/KFT with conditioning, resp. 751 GPD Titrino...
  • Page 172 I I nfo.S .SiloCalc.C26.R .C26.RelStd read only for .C27 .C27 as for .C26 The current values from the silo calculations. C26 is the mean value out of the C24 variables; C27 comes from C25. $Q sends: 751 GPD Titrino...
  • Page 173 The cycle number is set to 0 on switching on the instrument, on every start and for QuickMeas. It is incremented as long as the instrument remains switched 3.2.2.142. 3.2.2. 142. I I nfo.A .ActualInfo.A .Assembly.Co .Counter.V .V read only I I nfo.A .ActualInfo.A .Assembly.Co .Counter.C .Clear 751 GPD Titrino...
  • Page 174 I I nfo.A .ActualInfo.M .MeasPt.Z .Z1 read only I I nfo.A .ActualInfo.M .MeasPt.Z2 read only I I nfo.A .ActualInfo.E .EP.I .Index read only I I nfo.A .ActualInfo.E .EP.X .X read only I I nfo.A .ActualInfo.E .EP.Y .Y read only 751 GPD Titrino...
  • Page 175 $Q sends the comport number of the Titrino where the PC is connected. 3.2.2.149. 3.2.2. 149. I I nfo.As .Assembly.C .CycleTime read only I I nfo.As .Assembly.E .ExV read only Inquiries regarding basic variables of the assembly: Cycle time in s, volume of the active Exchange Unit in mL. 751 GPD Titrino...
  • Page 176 3.2.2.156. 156. A A ssembly.M .Meas.S .Status ON, OFF A A ssembly.M .Meas.M .MeasInput 1 1 , 2, Diff., Ipol, Upol, Temp A A ssembly.M .Meas.I .Ipol ±127...1 1 ...+127 A A ssembly.M .Meas.U .Upol ±1270...400 400...+1270 751 GPD Titrino...
  • Page 177 Monitoring in modes STAT, DOS, DOC .ResetLines: Lines are set to the inactive status (= high). 3.2.2.158. 3.2.2. 158. A A ssembly.S .Stirrer ON, OFF Switching stirrer ON/OFF. 3.2.2.159. 3.2.2. 159. Se Setup.C .Comport 1 1 , 2, 1&2 751 GPD Titrino...
  • Page 178 .UserMeth.Store: Disable "store" in <user meth> key .UserMeth.Delete: Disable "delete" in <user meth> key .Display: Disable the display, i.e. it will not be written to by the device pro- gram of the Titrino and can be operated from the computer. 751 GPD Titrino...
  • Page 179 ON, OFF Se Setup.S .SendMeas.T .Titrator.d .dVdt ON, OFF Se Setup.S .SendMeas.T .Titrator.dM .dMeasdt ON, OFF Se Setup.S .SendMeas.T .Titrator.dMeasdV .dMeasdV ON, OFF Se Setup.S .SendMeas.T .Titrator.E .ERC ON, OFF Se Setup.S .SendMeas.T .Titrator.T .T ON, OFF 751 GPD Titrino...
  • Page 180 Messages from node .T, Titrator: .T.R Ready: Status 'Ready' has been reached. .T.G Go: Instrument has been started. .T.GC GoCommand: Instrument (or submethod in TIP) has received a go command. .T.S Stop: Status 'Stop' has been reached. 751 GPD Titrino...
  • Page 181 With auto, the smallest measured value is taken and the next smaller tick defines the beginning of the scale; the next greater tick to the greatest measured value is the end of the scale. 751 GPD Titrino...
  • Page 182 Se Setup.R .RamInit Initializes instrument, see page 204. All parameters are set to their default value and error messages are cleared. The user and silo memories will be deleted. The user memory contains the default user methods from Metrohm. 3.2.2. 3.2.2.174.

  • Page 183: Properties Of The Rs 232 Interface

    Parity Bit 1 or 2 Stop Bit Only a shielded data cable (for example, METROHM D.104.0201) may be used to couple the Titrino with foreign devices. The cable shield must be properly grounded on both instruments (pay attention to current loops; al- ways ground in a star-head formation).
  • Page 184 Handshake output ports (DTR, RTS) are set by the Titrino. The Titrino has an input buffer which can accept up to 512 characters. Titrino as Receiver : Titrino external device max. 128 characters Data output 384 characters XOFF Data input Time 751 GPD Titrino...
  • Page 185 6 s by XOFF, E43 appears in the display. Hardware-Handshake, HWs Titrino as Receiver : Titrino external device Time Titrino as Sender: Titrino external device Time The data flow can be interrupted by deactivating the CTS line. 751 GPD Titrino...

  • Page 186: Pin Assignment

    (<-3 V): OFF state voltage positive (>+3 V): ON state In the transitional range from +3 V to -3 V the signal state is undefined. Driver 14C88 according to EIA RS 232C specification Receiver 14C89 " " 751 GPD Titrino...
  • Page 187 Contact arrangement at plug (female) for RS 232C socket (male) View of soldered side of plug Ordering numbers: K.210.0381 and K.210.9045 No liability whatsoever will be accepted for damage or injury caused by im- proper interconnection of instruments. 751 GPD Titrino...

  • Page 188: What Can You Do If The Data Transfer Does Not Work

    Is your cable correctly wired? (The DTR of the printer has to be connected to the CTS of the Titrino.) Set "HWs" for the handshake of the Titrino. Configure the printer such that its DTR is set (possibly with DIP switches). 751 GPD Titrino...
  • Page 189 3.3 Properties of the RS 232 Interface 751 GPD Titrino...

  • Page 190: Error Messages, Troubleshooting

    The Remote Box is not (correctly) connected or the Remote check remote box Box is connected but not activated under the <CONFIG> key. Exit: Connect Remote Box (correctly) and set "Remote Box: ON" under <CONFIG>, >peripheral units. Switch the Titrino off/on. 751 GPD Titrino...
  • Page 191 In DOS or TIP a manual measurement (<MEAS/HOLD>) has no meas.quantity been performed without defining a measuring quantity. Exit: <MEAS/HOLD> and define measured quantity. The memory card is not inserted (correctly). no memory card Remedy: <CLEAR> or rectify fault. 751 GPD Titrino...
  • Page 192 With DOS the calculated rate is too high. It can not be rate too high achieved with the mounted Exchange Unit. Exit: <CLEAR> and use Exchange Unit with larger buret volume or change dosing conditions. 751 GPD Titrino...
  • Page 193 In TIP no further TIP can be called up as a submethod. second TIP call Exit: <CLEAR> and define new sequence. The service interval has elapsed. Contact Metrohm service so service is due that the Titrino can be serviced. This message will appear each time the Titrino is switched on.
  • Page 194 . Remote Box has a fault. Remedy: Set under <CONFIG>, >peripheral units, "Remote Box: OFF", switch off Titrino, take away Remote Box and switch on Titrino. Contact Metrohm service. The determination has been stopped as a limit value of the temp out of limit temperature monitoring has been violated.
  • Page 195 XOFF for at least 6 s. Exit: <QUIT>. The receive buffer of the Titrino contains an error 45 incomplete string (missing L ). Transmission of the Titrino is thus blocked. Exit: Send L or <QUIT>. 751 GPD Titrino...

  • Page 196: Diagnosis

    It is advisable in each case to isolate the fault with the rapid and easy to perform diagnostic tests. The customer thus need not call METROHM service until there is a true fault in the in- strument. In addition, with the aid of the numbering in the diagnostic program he can provide the service engineer with much more accurate information.
  • Page 197 4.2. Diagnosis 4.2.3 Equipment required: Equipment required: − voltage calibrator, e.g. 1.642.0010 Metrohm pH Simulator or 1.767.0010 Calibrated Reference for mV, pH, ê æS, °C − highly insulated interconnection cable 6.2108.060 − resistor switch-box, class 0.1 % (or resistor 14.3 k, 0.1 %) −...
  • Page 198 Front panel 751 Fig. 2 Keypad 751 • Block 1 is quit by pressing the <Clear> key twice. d i a g n o s e p r e s s k e y 0 . . . 9 751 GPD Titrino...
  • Page 199 - t i m e r t e s t o . k . • Press <Clear>. d i a g n o s e p r e s s k e y 0 . . . 9 751 GPD Titrino...
  • Page 200 1 . . . 5 6.1 Examination of highly insulated measuring inputs • Connect ‘Ind I’ measuring input to a voltage calibrator (e.g. Metrohm 642 pH simulator) by means of a highly insulated cable (e.g. 6.2108.060). Set calibrator to 0 V.
  • Page 201 1 . . . 5 • Press <Clear>. d i a g n o s e p r e s s k e y 0 . . . 9 • Remove cable and resistor switch-box. 751 GPD Titrino...
  • Page 202 For the sake of completeness, the procedure is described here. If a diagnostic test of the RS 232 interface is not required, continue with point 9. Fig. 5 Connections in the 3.496.8560 plug 751 GPD Titrino...
  • Page 203 R S 2 3 2 t e s t 1 . . . 2 • Press <Clear>. d i a g n o s e p r e s s k e y 0 . . . 9 751 GPD Titrino...
  • Page 204 • Insert memory card. The memory card has to be formated from a 751 GPD Titrino otherwise the test does not recognize the card and on the display appears „memory card 000 KB end“.
  • Page 205 • Press <DOS> (on instrument) at same time and use a stopwatch to measure the time for 1/10 of the cylinder volume to be expelled. The time should be ca. 76 ... 126 s. • Set potentiometer 'dV/dt' to right stop. • Press <FILL>. 751 GPD Titrino...
  • Page 206 4.2. Diagnosis 11 External dosing units D 1 or D 2 This test makes sense only when the 751 GPD Titrino is operated in connection with external dosing units (685 Dosimat or 700 Dosino). The spindle drive and the cock changeover drive of the internal dispensing unit can be checked with the aid of the function <prep>...
  • Page 207 However, possibly a small loss in accuracy must be anticipated. A new optimum adjustment can be performed by Metrohm service. The error message 'sy- stem error 3' always appears after the instrument is switched on until this adjustment has been performed.

  • Page 208: Releasing A Locked Spindle With Inserted Exchange Unit

    The electronic circuits are now accessible! On no account touch these! • Remove spindle from mechanical stop by turning the large gear wheel. (In case that the motor is inoperative, position spindle by hand to zero position.) 751 GPD Titrino...

  • Page 209: Preparations

    5.1.1 Titrino with Stirrer or Titration Stand Stirrer cable Stirrer or Ti Stand 6.2132.060 Keypad The 722 Rod Stirrer, the 727, or the 703 Ti Stand with 6.2108.100 cable can also be connected instead of the 728 Magnetic Stirrer. 751 GPD Titrino...

  • Page 210: Titrino With External Burets

    5.1 Setting up and connecting the instruments 5.1.2 Titrino with external burets 685 Dosimat: 6.2134.030 Cable 700 Dosino The 2.700.0020 Dosino can be directly connected. If you wish to connect a 2.700.0010 Dosino, you need the 6.2134.020 adapter cable. 751 GPD Titrino...

  • Page 211: Connection Of A Printer

    A4 paper interface stop bit: parity none handshake: send to: HP Desk Jet 6.2125.020 baud rate: 9600 see printer manual with parallel data bit: interface 6.2125.010 stop bit: parity none 2.145.0300 handshake: Parallel- send to: Serial- Converter 751 GPD Titrino...

  • Page 212: Connection Of A Balance

    If the balance works only with 7 bit and the printer with 8 bit and if they are at the same Titrino COM, the balance has to bet to "space parity" and Titrino/printer to 8 bit, "no parity". 751 GPD Titrino...

  • Page 213: Connection Of A Sample Changer

    • If a calibration has to be performed with the sample changer, the calibration parameter "sample changer:" must be set to "ON". • In connections with the sample changer, "auto start" should be set to "OFF" in the <CONFIG> key. The start command is given by the Sample Changer. 751 GPD Titrino...

  • Page 214: Connection Of A Computer

    RS232 settings: ..........depend on the control program of the computer Send to: ..........................IBM Vesuv 3.0, PC program for data acquisition and method backup for up to 64 devices ..................6.6008.200 for 2 devices....................6.6008.500 Menu program......................6.6028.100 751 GPD Titrino...

  • Page 215: Connection Of A Remote Box

    • If the silo memory is switched on and the settings "barcode: method" or "barcode: idX" are operative, the first silo line will be created when the string is received. Higher silo lines than 1 are only created and concluded with the sample size. 751 GPD Titrino...
  • Page 216 <MODE> <PARAM> <PREP> Alt E <PRINT> Alt P Report selection with → ← <QUIT> <REPORTS> Alt O Printout reports: Alt P + Alt O <SILO> on/off <SMPL DATA> <START> <STATISTICS> on/off <STOP> <USER METH> <USER> Alt U 751 GPD Titrino...
  • Page 217 The occupancy of the PC function keys is shown to the User Meth right as an overlay. You can copy this diagram, cut out the central part and place it above the function keys of your PC keyboard. Silo Clear Statistics Start Stop Meas/Hold Config Param SmplData 751 GPD Titrino...

  • Page 218: Connection Of Electrodes, Preparing Titration Vessel

    Recommended electrodes: Meas.input Manual determinations Sample Changers Ind I 6.0133.100 pH Glass electrode 6.0130.100 pH Glass electrode Ind II 6.0729.100 double-shielded 6.0729.110 double-shielded Ag/AgCl reference electrode Ag/AgCl reference electrode 6.0301.100 auxiliary electrode 6.0302.110 auxiliary electrode 751 GPD Titrino...
  • Page 219 • If the potential jump after the first dispensing step is too large, a small start volume may help. • As an "auxiliary electrode", the 6.1808.030 burette tip with earth- ing may be used in some cases. Use burette tips without anti- diffusion valve! 751 GPD Titrino...
  • Page 220 • efficient stirring. But it should not be too fast, otherwise the stirrer vortex will suck in air bubbles and CO or O can disturb the titra- tion. • positioning the burette tip as centrally as possible, above the stir- ring bar. 751 GPD Titrino...

  • Page 221: Appendix

    10 000 steps per buret cylinder Titrating burets 2 external and 1 internal buret external: 685 Dosimat or 700 Dosino Auxiliary burets 2 additional burets: 776 or 765 Dosimat Materials Housing Polybutyleneterephthalate (PBTP) Keypad cover Polycarbonate (PC) 751 GPD Titrino...
  • Page 222 Mains connection Voltage 100...240 V Frequency 50 ... 60 Hz Power consumption 15 W Fuse 2 x 1 ATH (to be replaced by Metrohm Service only using the same type) Additional electronic overload protection 751 GPD Titrino...
  • Page 223 6.1. Technical specifications Dimensions with Exchange Unit Width 150 mm Height 450 mm Depth 275 mm Weight, incl. keypad app. 3.6 kg 751 GPD Titrino...

  • Page 224: Pin Assignment Of The "Remote" Socket

    +5 V not used pin 24 (Input 6) +5 V pin 12 (Input 7) Outputs pin 5 (Output 0) Ready inactive pin 18 (Output 1) Conditioning ok, active if Cond.ok pin 4 (Output 2) Titration, active during titration 751 GPD Titrino...
  • Page 225 15 +5 V pin 14 0 V: active 5 V: inactive pin 25 Ordering numbers for plug: K.210.9004 (shell) and K.210.002 No liability whatsoever will be accepted for damage caused by im- proper interconnection of instruments. 751 GPD Titrino...

  • Page 226: Lines Of The "Remote" Socket During The Titration

    6.2 Pin assignment of the "Remote" socket 6.2.1 Lines of the "Remote" socket during the titration 751 GPD Titrino...

  • Page 227: Possible Configurations Of The Activate Pulse In Set, Kft And Cal

    6.2. Pin assignment of the "Remote" socket 6.2.2 Possible configurations of the activate pulse in SET, KFT and CAL 751 GPD Titrino...

  • Page 228: Titrino Validation

    Metrohm Application Bulletin No. 252: Validation of Metrohm Titrators (potentiometric) according to GLP/ISO 9001. No. 255: Validation of Metrohm KF Titrators and KF Oven according to GLP/ISO 9001. The validation interval can be checked by the Titrino (set under <CONFIG>, monitoring).

  • Page 229: Warranty And Certificates

    Lack of an official damage report releases METROHM from any liability to pay compensation. If any instruments and parts have to be returned, the original pack- aging should be used if at all possible.

  • Page 230: Certificate Of Conformity And System Validation

    The features of the system software are documented in the instruc- tion manual. Metrohm Ltd. is holder of the SQS certificate of the quality system ISO 9001 for quality assurance in design/development, production, installation and servicing.
  • Page 231 Ionenanalytik • Analyse des ions • Ion analysis • Análisis iónico 751 GPD Titrino EU Declaration of Conformity The company Metrohm AG, Herisau, Switzerland, certifies herewith, that the following instrument: 751 GPD Titrino meets the CE mark requirements of EU Directives 89/336/EWG and 72/23/EWG.

  • Page 232: Scope Of Delivery And Ordering Designations

    CEE(7), VII (Germany...)................6.2122.040 type NEMA/ASA (USA...)................... 6.2122.070 1 Application card with application methods ............6.6029.010 1 Instructions for Use for 751 GPD Titrino ............. 8.751.1103 1 Quick References for 751 GPD Titrino..............8.751.1113 1 Short Operating Guide for 751 GPD Titrino............8.751.1123...
  • Page 233 Cable Titrino – EPSON LX300 (9/25 pins)............6.2134.050 Cable Titrino – HP Desk Jet (serial interface) (9/25 pins) ........6.2134.050 Cable Titrino – HP Desk/Laser Jet (parallel IF) ..6.2125.020+6.2125.010+2.145.0300 Adapter for connection of printer/balance at the same COM ..6.2125.010+6.2125.030 751 GPD Titrino...
  • Page 234 Cable Titrino — 730, 760 Sample Changer+665, 725, 765, 776 Dosimat ..6.2141.040 Cable Titrino — 730, 760 Sample Changer+ 2x 665, 725, 765, 776 Dosimat ... 6.2141.050 Cable Titrino — Control Unit 664 for Sample Changer 673/674 ......3.980.3560 751 GPD Titrino...

  • Page 235: Index

    ........... 80 ......... 187, 188 check ... reproduction ......... 81 <CLEAR>............ 4 transfer (RS232) ........105ff ........ 10, 79 common variables ......188 data set reevaluation Computer connection ......211 .............. 9 date Decimal places .......... 75 <DEF>............ 74ff 751 GPD Titrino...
  • Page 236 ..........103 internal D0 ........17 I/O lines ............ 221 electrode test: ............62 ............17 end at I(pol) <ENTER>............4 ISO ............227 Entry of data ............5 text............6 Keyboard, PC........... 216 ..........25, 34 63 EP at ............. 9 keyboard: 751 GPD Titrino...
  • Page 237 77 delete results ........78 report............. 81 silo............100 Object tree ..........116 MEAS............69 Ordering designations ......229 <MEAS/HOLD> .......... 4 ............11 outlet: ..... 8, 17, 56, 64, 69, 71, 73 Outputs ............ 223 meas.input: 751 GPD Titrino...
  • Page 238 Selection of balance ........... 8 printer............8 <QUIT> ............4 ..........8 send to COMX: Sequence CAL ............72 RAM, initialize ...........204 DET ............20 ............48 rate: DOC............67 ..........189, 190 rate... DOS ............59 ........89, 91 recall method 751 GPD Titrino...
  • Page 239 TIP............87 ........... 46 stop rate ......26, 35, 45 titr.direction: ........... 46 stop time ........ 191 transmission error Stop times (STAT) ........52 Tree ............116 ......17, 28, 37, 46, 56, 64 stop V 751 GPD Titrino...
  • Page 240 ..........89, 91 name .............84 .......191 validate instrument ..........9 validation: Validation ..........225 Values input..........5, 6 ......48, 57, 65 violated limit: ............15 V step ............55 volume ...........11 volume DX ..........11 warn.interv.DX Warranty ...........226 ..........191 wrong card ..........191 wrong sample 751 GPD Titrino...

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