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Summary of Contents for Metrohm 824
- Page 1 CH-9101 Herisau/Switzerland E-Mail info@metrohm.com Internet www.metrohm.com 824 Easy Sample Changer Program version 5.824.0010 Instructions for Use 8.824.1003 08.2002/ dm...
- Page 2 Although all the information given in these instructions has been checked with great care, errors cannot be entirely excluded. Should you notice any mistakes please inform the author at the address given above. © Metrohm Ltd. 2002 Printed in Switzerland 824 Easy Sample Changer, Contents...
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Page 3: Table Of Contents
Operating the pumps..............24 Automatic operation................ 25 3.4.1 Preparing a sample series............25 3.4.2 Method selection ..............25 3.4.3 Starting a method ..............25 3.4.4 Interrupting a method run ............26 3.4.5 Canceling a method run ............26 824 Easy Sample Changer Contents... - Page 4 8.4.1 Attaching the distributor and tubing......... 47 8.4.2 Spray nozzles ................47 8.4.3 Aspiration tip ................49 Sample beakers for Karl Fischer titrations ........49 Standard equipment ................ 50 8.6.1 824 Easy Sample Changer............50 824 Easy Sample Changer, Contents...
- Page 5 Electrodes for Sample Changers ..........59 Warranty and conformity ..............60 8.8.1 Warranty ..................60 8.8.2 EU Declaration of Conformity for 824 Easy Sample Changer . 61 8.8.3 Declaration of Conformity: 824 Easy Sample Changer ... 62 Index............63 List of illustrations Fig.
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Page 7: Introduction
1.1 Instrument description The greatest advantage of the 824 Easy Sample Changer lies in its very easy user operation. For carrying out simple applications the prede- fined standard methods may be used without any modifications being needed. - Page 8 The basis The 824 Easy Sample Changer was developed on the basis of the time- proven Metrohm 730 Sample Changer and therefore offers the possibil- ity of the free definition of run sequences, method parameters and rack data throughout a very wide range.
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Page 9: Information About These Instructions For Use
1.2 Information about these Instructions for Use 1.2 Information about these Instructions for Use Please read through these Instructions for Use before you start to use the 824 Easy Sample Changer. The following notations and pictograms are used in these instructions: Operating element The operating elements are explained on pages 4ff. -
Page 10: Parts And Controls
6.2142.110 • Rotates rack counterclockwise • Pump 1 on/off • Previous configuration step User mode / Interrupt method / Acknowledge error message Initialize changer / Cancel method Fig. 1 Keypad Start method / Continue method 824 Easy Sample Changer, Introduction... -
Page 11: Individual Parts And Standard Accessories
The 824 Easy Sample Changer must not be operated without splash protector 13 and connections cover 17 in position. Fig. 2 Side view of 824 Easy Sample Changer Tubing guide Mains switch and fuse holder Splash protector 6.2751.010 Connections cover 6.2752.010 Lift Tower Sample rack e. -
Page 12: Fig. 3 Rear View
16 V 16 V max. 300 mA max. 300 mA Type 1.824.0010 Nr. 0010/01104 RS 232 Keyboard Made by Metrohm Herisau Switzerland Fig. 3 Rear view Line sleeve Keyboard connector Pump connectors RS232 connector Manufacturing number 824 Easy Sample Changer, Introduction... -
Page 13: Safety Information
This instrument must only be operated at the specified mains voltage. Repair and maintenance: If faults or malfunctions occur while using the 824 Easy Sample Changer we recommended that you first check that the connection to the control instrument has been made correctly. -
Page 14: Installation
Installation This section describes the things you should pay attention to when un- packing and starting up the 824 Easy Sample Changer. It also tells you how a complete automation system is built up. The following illustration provides an overview of the peripheral devices... -
Page 15: Instrument Setup
Setting the mains voltage Before you switch on the 824 Easy Sample Changer for the first time please check that the mains voltage set on the instrument (see illustra- tion on the following page) corresponds to your local mains voltage. If... -
Page 16: Keyboard Connection
2.3 Keyboard connection • Pull out mains cable Remove the mains cable from the mains supply connection of the 824 Easy Sample Changer. • Remove the fuse holder Use a screwdriver to loosen the fuse holder beside the mains supply connection and remove it completely. -
Page 17: Attaching And Equipping A Titration Head
46. head Note about the Macro-titration head The SGJ14 opening marked by an arrow is bored at a slight angle so that a rod stirrer or an electrode can be centered in narrow titration vessels. 824 Easy Sample Changer, Installation... -
Page 18: Attaching And Equipping The Kf Titration Head
E.301.0022 O-Ring (below) E.301.0080 Fig. 9 KF Titration head Note: In order to ensure an optimal seal of the titration vessel the M10 threads should be inserted into the titration head together with the O-rings. 824 Easy Sample Changer, Installation... -
Page 19: Attaching The Splash Protector
2.4.2 Attaching the splash protector For safety reasons the 824 Easy Sample Changer should not be oper- ated unless the splash protector is in its proper position. • On both sides of the tower loosen knurled nuts •... -
Page 20: Attaching The 759 Swing Head
• Attach new titration or transfer head to the lift and fasten it with the four screws. • Connect the 759 Swing Head to the Remote socket 19 of the 824 Easy Sample Changer, see also p. 17. • Place a multi-row sample rack on the turntable of the sample changer. -
Page 21: Connecting Devices To The Remote Socket
2.6 Connecting devices to the Remote socket Connection cable If the 824 Easy Sample Changer is to be connected to other devices then only Metrohm cables should be used as these are the only cables that guarantee perfect data transfer. -
Page 22: Fig. 14 Connecting An 8Xx Titrando
MSB 1 MSB 4 MSB 1 808 / 809 Titrando 6.2141.020 Cable Fig. 14 Connecting an 8xx Titrando Sample changer — Titrino — 765/776 Dosimat Titrino 6.2141.040 Cable Fig. 15 Connecting a Titrino and Dosimat 824 Easy Sample Changer, Installation... -
Page 23: Fig. 16 Connecting A 780/781 Ph Meter
Fig. 17 Connecting the 759 Swing Head The swing head is connected to the Remote interface of the 824 Easy Sample Changer. The connection of the 759 Swing Head allows the connection of further devices via Remote lines; 4 lines (Input 7 and Output 11–13) are occupied by the swing head. -
Page 24: Serial Connection (Rs232)
2.7 Serial connection (RS232) A personal computer can be connected to the serial RS232 interface 25. In this way the 824 Easy Sample Changer can be remotely con- trolled (in the same way as the Metrohm 730 Sample Changer), pro- vided that a suitable software such as Tinet 2.5 is installed. -
Page 25: Sample Racks
When used with the 824 Easy Sample Changer the highest rack posi- tion is intended to be used for a special beaker for rinsing or condition- ing/dipping. -
Page 26: Positioning A Sample Rack
Magnet holder in. This makes the unambiguous re- cognition of the rack possible and Magnet sensor therefore the correct positioning of the beakers. Fig. 19 Attaching a sample rack 824 Easy Sample Changer, Installation... -
Page 27: Operation
3.1 The <SELECT> key Operation This section contains the basic principles for using the 824 Easy Sam- ple Changer. As well as processing a series of samples automatically, the 824 Easy Sample Changer can also be operated manually in order, for example, to rinse the electrode in a special beaker during the preparation of a se- ries of samples. -
Page 28: Settings
3.2 Settings 3.2 Settings In order to be able to work comfortably with the 824 Easy Sample Changer a few settings must first be made. • The various lift settings depend on the rack used; this means that they must be made for each sample rack according to the size of the sample vessels used. -
Page 29: Setting The Shifting Position Of The Lift
The stirrer rate (applies to both stirrer outputs) can be easily increased or reduced in 15 steps with the < > and < > keys respectively. The standard setting is step 3. STIR 2 Accept/ continue with < >. 824 Easy Sample Changer, Operation... -
Page 30: Manual Operation
3.3 Manual operation 3.3 Manual operation When it has been switched on the 824 Easy Sample Changer is in the normal operating mode. The most important functions for manual op- eration can be carried out by pressing a key. 3.3.1 Moving the lift... -
Page 31: Automatic Operation
• After the start of the method the starting sequence is carried out once. This contains commands for preparing for a series of sam- ples. • When all rack positions have been processed the final sequence is carried out. 824 Easy Sample Changer, Operation... -
Page 32: Interrupting A Method Run
A method run is canceled with the <STOP> key. STOP • The sample changer switches back to the normal operating mode. The status LED lights up permanently. • After the manual cancelation of a method the final sequence is not carried out. 824 Easy Sample Changer, Operation... -
Page 33: Functions Of The Leds
3.5 Functions of the LEDs 3.5 Functions of the LEDs The 824 Easy Sample Changer has several green LEDs (LED) which in- dicate the status of the instrument. 3.5.1 The Status LED Status Status LED 1 shows the complete status of the sample changer. - Page 34 LED 2 : lights up when setting the rinsing position of the lift LED 3 : lights up when setting the shifting position of the lift LED 4 : lights up when setting the stirrer rate 824 Easy Sample Changer, Operation...
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Page 35: Standard Methods
The number of samples is limited only by the capacity of the sample rack. In principle, in the standard methods of the 824 Easy Sample Changer all the positions of a sample rack are processed. Empty rack positions are automatically jumped over. -
Page 36: Method Labels
When choosing a marker make sure that the writing can easily be wiped off with alcohol. Pencil markings can be removed with a soft rubber. A brief description of the standard methods of the 824 Easy Sample Changer is given below. 4.3 Method 1... -
Page 37: Method 2
For simple titrations (including KF titrations) or pH measurements (with- out calibration). The initial addition of auxiliary reagents or solvents is possible. Required instruments: • Metrohm titrator (Titrino or Titrando) or pH meter • Metrohm Dosimat (optional) • Metrohm 802 Rod Stirrer or 741 Magnetic Stirrer... -
Page 38: Method 3
For simple titrations (including KF titrations) or pH measurements (with- out calibration). The initial addition of auxiliary reagents or solvents is possible. Required instruments: • Metrohm titrator (Titrino or Titrando) or pH meter • Metrohm Dosimat (optional) • Metrohm 802 Rod Stirrer or 741 Magnetic Stirrer •... -
Page 39: Method 4
• Metrohm 722/802 Rod Stirrer or 741 Magnetic Stirrer • 2 external pumps (e.g. Metrohm 772 Pump Unit; Pump 1 for rins- ing, Pump 2 for aspirating Features: After each determination the sample vessel is emptied by Pump 1 and then the electrode is rinsed by Pump 2. -
Page 40: Editing Methods
By using the "6.2142.010 SC Controller" sample changer keypad, which has a 2-line display and 30 keys, it is possible to edit all the settings of the 824 Easy Sample Changer in detail and to create, edit and save methods in an easy way. -
Page 41: Maintenance Information
5.1 Maintenance / Service Maintenance information 5.1 Maintenance / Service The maintenance of the 824 Easy Sample Changer should take place within the framework of an annual service carried out by trained Metrohm technicians. If harsh and corrosive chemicals are frequently used then shorter maintenance intervals are necessary. -
Page 42: Glp Validation
SOPs (Standard Operating Procedure, SOP). As this instrument is not an analytical instrument as such, we recom- mend the user to include the 824 Easy Sample Changer as part of an analytical system in its all-embracing validation. -
Page 43: Troubleshooting
Remedy: Press <HOLD> and <STOP>. Check method. Error 5: Sample changer not ready The 824 Easy Sample Changer cannot carry out the command as it is busy doing something else. Remedy: Press <HOLD> and <STOP>. Wait and then repeat com- mand. - Page 44 Error 14: Exceptional instrument error An exceptional fault has occurred in the 824 Easy Sample Changer hardware. Remedy: Switch the instrument off and on again. If the fault occurs again please contact the service department of your local Metrohm agency.
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Page 45: Annex
8.1 Technical data Annex In this section you will find the most important technical data of the 824 Easy Sample Changer. Furthermore there are listings of the four stan- dard methods, the standard and optional accessories as well as the declaration of conformity and warranty. -
Page 46: Power Supply
8.1.9 Ambient temperature Nominal working range +5…+45 °C (at max. 85% relative humidity) Storage -20 °C…+60 °C Transport -40 °C…+60 °C 60 °C relative humidity <60% 50 °C " " <85% 40 °C " " <95% 824 Easy Sample Changer, Annex... -
Page 47: Dimensions And Materials
28 cm Depth 48 cm Weight 12.5 kg (without accessories) Materials - Housing metal housing, surface refined - Keyboard case PBTP - Keyboard film PETP, resistant to chemicals - Sample rack - Splash protection PMMA 824 Easy Sample Changer, Annex... -
Page 48: Method Listings
MOVE ------ Stirring rates --------------------------- >stirring rates stirrer 1 stirrer 2 ------ Reaction to manual stop -------------- >manual stop ¬ Stop instrument/titrator CTL Rmt: STOP device1 CTL RS232: 824 Easy Sample Changer, Annex... -
Page 49: Method 2
MOVE ------ Stirring rates --------------------------- >stirring rates stirrer 1 stirrer 2 ------ Reaction to manual stop -------------- >manual stop ¬ Stop instrument/titrator CTL Rmt: STOP device1 CTL RS232: 824 Easy Sample Changer, Annex... -
Page 50: Method 3
MOVE ------ Stirring rates --------------------------- >stirring rates stirrer 1 stirrer 2 ------ Reaction to manual stop -------------- >manual stop ¬ Stop instrument/titrator CTL Rmt: STOP device1 CTL RS232: 824 Easy Sample Changer, Annex... -
Page 51: Method 4
MOVE ------ Stirring rates --------------------------- >stirring rates stirrer 1 stirrer 2 ------ Reaction to manual stop -------------- >manual stop ¬ Stop instrument/titrator CTL Rmt: STOP device1 CTL RS232: 824 Easy Sample Changer, Annex... -
Page 52: Connecting External Pumps
8.3 Connecting external pumps 8.3 Connecting external pumps Metrohm 772 Peristaltic Pumps can be used for rinsing the electrodes and aspirating the measured sample solutions. Various models are available: 2.772.0020 772 Pump Unit with aspiration equipment (including pump tubing, PTFE tubing, aspiration tip, distributor, PE canister …) -
Page 53: Connecting Rinsing And Aspirating Equipment
8.4 Connecting rinsing and aspirating equipment 8.4 Connecting rinsing and aspirating equipment Depending on the model (see above) the Metrohm 772 Pump Unit is delivered with accessories needed for rinsing or aspirating. 8.4.1 Attaching the distributor and tubing from aspiration tip... -
Page 54: Fig. 23 Attaching The Spray Nozzles And The Aspiration Tip
Attaching the spray nozzles and the aspiration tip Spray nozzles may be adjusted vertically to optain a most effective rinsing performance. Spray nozzles Aspiration tip Fig. 25 Function of the spray nozzles Fig. 24 Titration head with aspiration and rinsing equip- ment 824 Easy Sample Changer, Annex... -
Page 55: Aspiration Tip
8.5 Sample beakers for Karl Fischer titrations 8.4.3 Aspiration tip The Metrohm 772 Pump Unit with aspiration equipment can be used for aspirating used sample solutions without any problems. If the sample solutions contain solids, precipitates (e.g. silver chloride) or sticky sub-... -
Page 56: Standard Equipment
8.6 Standard equipment 8.6 Standard equipment On receipt of the instrument please check that the delivery is complete. 8.6.1 824 Easy Sample Changer Ordering no. 2.824.0010 with macro-titration head Order. no. Description 1.824.0010 824 Easy Sample Changer Sample changer with macro-titration head, rod stirrer, sample rack and sample beakers. - Page 57 6.2122.020 - Type CEE(7), VII (Germany...) 6.2122.040 - Type NEMA/ASA (USA...) 6.2122.070 8.824.1001 824 Easy Sample Changer Instructions for Use, English Ordering no. 2.824.0020 with micro-titration head Order. no. Description 1.824.0020 824 Easy Sample Changer Sample changer with micro-titration head, magnetic stirrer, sample rack and sample beakers.
- Page 58 24 x 6.1432.210 Sample Beakers (75 mL) 6.2141.050 Remote cable for connecting: Sample changer — 1x Titrino/ Titrando, 2x Dosimat 6.2142.120 Keypad for 824 Easy Sample Changer 6.2621.140 Allen key 2.5 mm For mounting 6.2034.020 Attachment Bracket 6.2751.010 Splash protector 6.2752.010...
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Page 59: Optional Accessories
6.2122.070 8.824.1001 824 Easy Sample Changer Instructions for Use, English 8.7 Optional accessories 8.7.1 6.5610.020 KFT Equipment for Karl Fischer titrations with the 2.824.0020 Easy Sample Changer, Micro Ordering no. 6.5610.020, containing the following accessories: Order. no. Description 6.0340.000 Double Pt electrode for sample changers 6.1458.030... -
Page 60: 772 Pump Unit (2.772.0020)
Order. no. Description 1.772.0020 Pump Unit 772 Peristaltic pump with following accesso- ries: 6.1446.160 Stopper SGJ 14/6.6 mm PTFE For oblique insertion of objects in the titration head 6.1543.170 Aspiration tip, PTFE with M8 thread 824 Easy Sample Changer, Annex... - Page 61 Screw connector for 6.1826.100 Pump Tubing 4/6 mm / nozzle © 6.1826.100 Pump tubing, PP PharMed 6.4/1.6 mm (Norton), L = 1 m 6.1828.000 Connecting nipple, PVDF, for 6.1621.000 Canister 6.2621.140 Allen key 2.5 mm for assembling 6.1808.160 Distributor 824 Easy Sample Changer, Annex...
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Page 62: 772 Pump Unit (2.772.0030)
Screw connector for 6.1826.100 Pump Tubing 4/6 mm / nozzle © 6.1826.100 Pump tubing, PP PharMed 6.4/1.6 mm (Norton), L = 1 m 6.1828.000 Connecting nipple, PVDF, for 6.1621.000 Canister 6.2740.020 Rinsing nozzle, ETFE With valve and M6 thread 824 Easy Sample Changer, Annex... -
Page 63: Optional Accessories And Instruments
Distributor for rinsing / aspirating, 3x M6, 1x M8 8.7.5 Connection cables Order. no. Description 6.2141.020 Remote Cable 824 — 692/712/713 Titrino/Titrando 6.2141.030 Remote Cable 824 — 2x 692/712/713 Titrino/Titrando 6.2141.040 Remote cable 824 — Titrino/Titrando — 665/725/765/776 Dosimat 824 Easy Sample Changer, Annex... -
Page 64: Sample Racks And Sample Beakers
8.7 Optional accessories 6.2141.050 Remote cable 824 — Titrino/Titrando — 2x 665/725/765/776 Dosimat 6.2141.060 Remote cable 824 — 691 pH-Meter 6.2142.070 Remote cable 824 — 692/780/781 pH-Meter— 665/725/765/776 Dosimat 8.7.6 Sample racks and sample beakers Order. no. Description 6.2041.310 Sample Rack M12-0 (12 x 250 mL ) for 6.1432.320... -
Page 65: Electrodes For Sample Changers
6.2041.400 Sample Rack 126 x 15 mL and 2 x 250 mL for pipetting for 15 mL test tubes and 6.1432.320 Metrohm sample beakers glass 250 mL or 6.1453.220 Metrohm sample beakers PP 200 mL or 6.1453.250 Metrohm sample beakers PP 250 mL 8.7.7 Electrodes for Sample Changers... -
Page 66: Warranty And Conformity
Metrohm from any liability to pay compensation. If any instruments and parts have to be returned, the original packaging should be used if at all possible. -
Page 67: Eu Declaration Of Conformity For 824 Easy Sample Changer
8.8 Warranty and conformity 8.8.2 EU Declaration of Conformity for 824 Easy Sample Changer EU Declaration of Conformity The Metrohm Ltd. company, Herisau, Switzerland hereby certifies, that the instrument: 824 Easy Sample Changer meets the requirements of EU Directives 89/336/EEC and 73/23/EEC. -
Page 68: Declaration Of Conformity: 824 Easy Sample Changer
International Certification Body (CB/IEC). The technical specifications are documented in the instruction 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. Herisau, July 7, 2002 Dr. -
Page 69: Index
Line sleeve ....... 6 Danger........3 Load methods ......21 Dimensions ......41 Location........9 Disposable beakers ..19, 58 Relative humidity ....40 Distributor....... 47 Remedy ........37 Dosimat ......16, 32 Remote box ...... 16, 17 824 Easy Sample Changer, Index... - Page 70 Warning ........3 Swing head ....14, 17, 57 Sample sequence ....29 Warranty ........60 Sample series ......25 Waste canisters.......49 SC Controller.......2, 57 Whole status ......27 Screw nipple ......11 Technical data......39 Working position .....22 Serial connection ....18 Temperature......40 824 Easy Sample Changer, Index...
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