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Technical Communication

Metrohm AG

CH-9100 Herisau

techcom@metrohm.com

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.

Documentation in additional languages can be found on

http://documents.metrohm.com.

Melody for the BEEP command: excerpt from "En Altfrentsche", with kind

permission of the Laseyer Quartett, Appenzell.

Main Page

Default Chapter5
- Table of Contents5
1 Introduction17
- Instrument Description17
- Titration and Measuring Modes17
- About the Documentation19
- Symbols and Conventions19
2 Safety Instructions21
- General Notes on Safety21
- Electrical Safety21
- Tubing and Capillary Connections22
- Flammable Solvents and Chemicals22
- Recycling and Disposal23
3 Overview of the Instrument24
- Figure 1 Front 900 Touch Control24
- Figure 2 Rear 900 Touch Control25
4 Installation26
- Setting up the Instrument26
- Packaging26
- Checks26
- Location26
5 Titrations27
- Dynamic Equivalence Point Titration (DET)27
- Monotonic Equivalence Point Titration (MET)27
- Figure 3 Reagent Dosing for DET27
- Figure 4 Reagent Dosing for MET27
- Endpoint Titration (SET)28
- Water Determination According to Karl Fischer (KFT)28
- Figure 5 Reagent Dosing for SET28
- Titration with Constant Maintenance of the Measured Value (STAT)29
- Figure 6 Reagent Dosing for KFT29
- Manual Titration (MAT)30
- Figure 7 Reagent Dosing for STAT30
- Coulometric Water Content Determination According to Karl Fischer (KFC)31
- Bromine Index Determination (BRC)31
6 Operation32
- Switching the Instrument on and off32
- Fundamentals of Operation33
- Touch-Sensitive Screen33
- Display Elements and Controls34
- Status Display35
- Entering Text and Numbers36
7 System Settings38
- General System Settings38
- Selecting the Dialog Language38
- Setting the Date, Time and Local Time39
- System-Specific Dialog Options40
- User Administration44
- Editing the User Configuration45
- Creating an Identification Profile49
- Defining Login Options49
- Password Options51
- Modification Options53
- Reasons54
- Audit Trail55
- Measured Value Display56
- Acoustic Signals56
8 Titrants57
- Adding a New Titrant58
- Editing Titrant Data59
- Monitoring the Working Life61
- Dosing Unit62
- Parameters for Preparing (PREP) and Emptying (EMPTY)63
- Tubing Parameters65
- Figure 8 Dosing Unit - Port Assignment67
- Shift Direction of the Valve Disk68
- Exchange Unit68
- Parameters for the Preparation (PREP)70
- Tubing Parameters71
- GLP Test for Exchange Unit and Dosing Unit72
- Figure 9 Exchange Unit - Tubing Connections72
- Titer Determination Options and Data74
- Titer Validity74
- Properties of the Previous Titer Determinations75
9 Reagents77
- Editing Reagent Data78
- Reagent Monitoring78
10 Sensors82
- Adding a New Sensor83
- Editing the Sensor Data84
- Monitoring the Working Life85
- Calibration Data (for Ph- and ISE Electrodes and Con- Ductivity Measuring Cells Only)86
- Properties of the Previous Calibrations88
- Limit Values for the Calibration Data91
- Monitoring the Calibration Interval (Only for Ph and Ion-Selective Electrodes and Conductivity Measuring Cells)93
11 Device Manager95
- Adding a New Device96
- Configuring the Instrument96
- Touch Control97
- E-Mail98
- PC/LIMS Report99
- Shared Memory100
- TCP/IP Settings102
- Metrohm Control Instruments103
- Properties - Control Instrument104
- Properties - Measuring Input104
- Properties - MSB Connector106
- Properties - Peripheral Devices107
- Sample Processor108
- Properties - Sample Processor109
- Properties - Tower109
- Properties - Swing Head111
- Sample Racks116
- Editing Rack Data118
- Rack Adjustment124
- Printer125
- PDF Settings126
- Network Printer127
- More Options129
- Balance129
- USB/RS-232 Adapter131
- PC Keyboard133
- Barcode Reader134
12 File Manager137
- Managing Files137
- Copying a File139
- Renaming a File139
- File Properties140
- External Storage Medium141
- Figure 10 Directory Structure on the External Storage Medium142
- Creating Backups / Restoring Data143
- Restoring Data143
13 GLP Manager145
- Automatic System Test146
- Test Tools146
- GLP Tests for Measurement and Titration147
- Parameter Description148
- System Validation151
- Parameter Description152
- System Monitoring155
- Service Interval155
- Backup Interval155
14 Common Variables157
- Editing Common Variables158
- Properties of Common Variables159
- Monitoring Validity160
- Assigning a Result Automatically to a Common Varia- Ble161
15 Templates163
- Sample Data163
- Sample Identification List164
- Sample Assignment Table165
- Custom Result Templates167
- Editing Result Templates168
- Input Lines171
- Editing the Input Signal172
- Output Lines173
- Editing the Output Signal175
- Custom Calibration Buffers176
- Defining Calibration Buffers177
- Report Header178
- Custom Electrode Type179
- Limit Values for the Electrode Rating180
16 Methods183
- Creating a New Method183
- Saving a Method184
- Loading a Method185
- Editing a Method186
- Inserting a Command187
- Method Options188
- Start Options189
- Stop Options191
- Sample Data192
- Method Properties196
- Note198
- Saving a Determination Automatically198
17 Electronic Signatures200
- Signing Methods/Determinations Electronically200
- Deleting Electronic Signatures201
18 Control202
19 Favorites206
- Creating Favorites207
- Editing Favorites207
20 Sample Data210
- Entering Sample Data in the Main Dialog210
- Requesting Sample Data at the Start of the Determina- Tion211
21 Sample Table213
- General213
- Editing Sample Data216
- Properties218
22 Determination Run221
- Carrying out a Single Determination221
- Performing a Sample Series222
- Canceling Determinations Manually223
23 Live Modifications224
- Editing the Sample Data of the Running Determination224
- Editing the Sample Table While a Determination Is Running225
- Live Display226
- Live Parameters228
24 Results and more Determination Data230
- More Determination Data231
- Details232
- Messages234
- Local Common Variables235
- Determination Properties235
- Loading a Determination238
- Determination List239
- Saving a Determination243
- Curves243
- Recalculation and Reevaluation245
25 Statistics247
- Displaying Details for a Result249
- Deleting Statistical Data250
- Adding a Determination to a Determination Series250
26 Result Table252
- Properties253
- Saving the Result Table257
- Loading the Result Table257
27 Printing258
- General Report Options260
- Settings of the Individual Reports261
- List of All Printable Reports262
28 Manual Control266
- Opening and Closing the Manual Control267
- Measuring268
- Parameter Description269
- Dosing272
- Continuous Dosing274
- Dosing Fixed Volumes276
- Preparing278
- Emptying279
- Figure 11 Live Display "Preparing the Dosing Unit279
- Figure 12 Live Display "Preparing the Exchange Unit279
- Filling280
- Replacing Reagent280
- Stirring281
- Conditioning a Titration Cell282
- Parameter Description283
- Remote283
- Sample Processor284
- Moving the Lift286
- Moving to a Rack Position288
- External Positions290
29 Parameters294
- Dynamic Equivalence Point Titrations (DET)294
- Start Conditions294
- Titration Parameters297
- Stop Conditions301
- Potentiometric Evaluation302
- Figure 13 Equivalence Point Recognition and Equivalence Point Numbering Within306
- Windows306
- Control Instrument307
- Figure 14 Tubbs Method for Determining the Equivalence Point307
- Sensor308
- Dosing Device309
- Stirrer310
- Monotonic Equivalence Point Titrations (MET)311
- Start Conditions311
- Titration Parameters314
- Stop Conditions317
- Potentiometric Evaluation318
- Figure 15 Equivalence Point Recognition and Equivalence Point Numbering Within322
- Windows322
- Control Instrument323
- Sensor324
- Dosing Device325
- Stirrer326
- Endpoint Titrations (SET)327
- Start Conditions327
- Control Parameters328
- Titration Parameters332
- Stop Conditions333
- Conditioning334
- Cell336
- Control Instrument336
- Sensor336
- Dosing Device338
- Stirrer339
- Volumetric Karl Fischer Titrations (KFT)339
- Start Conditions339
- Control Parameters341
- Titration Parameters344
- Stop Conditions345
- Conditioning346
- Cell348
- Control Instrument348
- Sensor349
- Dosing Device350
- Stirrer351
- Coulometric Karl Fischer Titrations (KFC)352
- Control Parameters352
- Titration Parameters354
- Stop Conditions355
- Conditioning355
- Cell358
- Control Instrument359
- Sensor359
- Stirrer360
- Bromine Index Determination (BRC)361
- Control Parameters361
- Titration Parameters364
- Stop Conditions365
- Conditioning365
- Cell367
- Control Instrument368
- Sensor368
- Stirrer369
- STAT Titrations (STAT)370
- Start Conditions370
- Control Parameters372
- Titration Parameters374
- Stop Conditions376
- Monitoring377
- Figure 16 Action "Exit Method" or "Cancel Command381
- Figure 17 Action "Pause381
- Figure 18 Action "Wait381
- Control Instrument384
- Sensor384
- Dosing Device385
- Stirrer388
- Manual Titrations (MAT)389
- Dosing Parameters390
- Control Instrument391
- Sensor391
- Dosing Device392
- Stirrer395
- Measurements (MEAS)395
- Measuring Parameters395
- Standard Addition400
- Control Instrument404
- Sensor404
- Stirrer406
- Calibration of Sensors (CAL)407
- Calibration Parameters (CAL Ph)407
- Calibration Parameters (CAL Conc)410
- Calibration Parameters (CAL Cond)413
- Control Instrument416
  - Sensor416
  - Stirrer417
  - Electrode Test for Ph Electrodes (ELT)418
  - Electrode Test Parameters419
  - Control Instrument420
  - Sensor421
  - Stirrer422
  - Additional Information422
  - Evaluations (EVAL)424
  - Fixed Endpoint Evaluation (EVAL FIX-EP)426
  - Pk Value and Half Neutralization Potential Evaluation (EVAL Pk/Hnp)428
  - Figure 19 Evaluation of Pk Value / Half Neutralization Potential428
  - Minimum and Maximum Evaluation (EVAL MIN/MAX)429
  - Figure 20 Evaluation of Minimum and Maximum429
  - Break Point Evaluation (EVAL BREAK)430
  - Figure 21 Evaluation of a Break Point430
  - Rate Evaluation (EVAL RATE)433
  - Calculations434
  - Calculations (CALC)434
  - Calculations (CALC LIVE)441
  - Formula Editor443
  - Reports (REPORT)449
  - General Report Options449
  - Settings of the Individual Reports450
  - List of Reports451
  - Dosing and Liquid Handling454
  - Preparing an Exchange or Dosing Unit (PREP)454
  - Emptying a Dosing Unit (EMPTY)455
  - Dosing a Specified Volume (ADD)456
  - Liquid Handling (LQH)461
  - Monitored Dosing (DOS)464
  - Figure 22 Dosing Criterion "Volume/Dosing Rate465
  - Figure 23 Dosing Criterion "Volume/Dosing Time465
  - Figure 24 Dosing Criterion "Dosing Rate/Dosing Time466
  - Figure 25 Action "Exit Method" or "Cancel Command474
  - Figure 26 Action "Pause474
  - Figure 27 Action "Wait474
  - Communication481
  - Scanning Remote Lines (SCAN)482
  - Setting Remote Lines (CTRL)483
  - Scanning the RS-232 Interface (SCAN RS)485
  - Defining RS-232 Commands (CONTROL RS)486
  - Automation486
  - Rotating Sample Rack (MOVE)486
  - Moving the Lift (LIFT)489
  - Controlling Pumps (PUMP)490
  - Resetting the Rack (RACK)491
  - Defining the Sample Variable (SAMPLE)491
  - Creating a Subsequence (SUBSEQ)492
  - Miscellaneous Commands495
  - Controlling a Stirrer (STIR)495
  - Pausing the Method Run (WAIT)496
  - Scan Data (REQUEST)496
  - Defining an Acoustic Signal (BEEP)497
  - Signing a Determination (SIGN)498
  - Canceling the Method Run (END)498
30 Operation and Maintenance499
- System Initialization499
31 Troubleshooting500
- Editing Methods500
- Sample Table500
- Results/Statistics500
- Printing501
- Manual Control501
- Miscellaneous502
- SET Titration502
- Volumetric Karl Fischer Titration503
- Coulometric Karl Fischer Titration505
- STAT Titration507
32 Appendix508
- Manual Dosing Controller, Optional Accessory for Manual Titration508
- Figure 28 Manual Dosing Controller 6.2107.120 - Overview508
- Dosing Unit509
- Maximum Dosing and Filling Rate509
- Default Parameters for Preparing (PREP) and Emptying (EMPTY)509
- Exchange Unit510
- Maximum Dosing and Filling Rate510
- Default Parameters for Preparing (PREP)510
- Stirring Rate510
- Balance511
- Figure 29 Rotational Speed Depending on the Stirring Rate511
- Result Variables as Parameter Setting512
- Electrode Calibration with Sample Processors513
- Stored Buffer Series for Ph Calibration515
- Metrohm515
- NIST (According to DIN Standard 19266, 2015)516
- DIN (According to DIN Standard 19267, 2012)517
- Fisher518
- Fluka519
- Mettler Toledo520
- Beckmann521
- Radiometer Analytical522
- Baker523
- Hamilton DURACAL524
- Precisa525
- Merck Certipur 20 / Titrisol526
- Merck Certipur 25527
- Using Audittrailviewer529
- Installing Audittrailviewer529
- Opening the Audit Trail530
- Contents of the Audit Trail531
- Filtering the Audit Trail532
- Exporting the Audit Trail533
- Diagnosis533
- LCD Test534
- Temperature Monitoring535
- Formatting an External Storage Medium535
- Removing an External Storage Medium535
- Adjusting the Touch Screen535
- Testing the Touch Screen536
- Software Update (Loading Program Versions and Language Files)537
- Simulating Titration Curves541
- Service543
- Arithmetic Algorithms in the Titrando543
33 Technical Specifications545
- Touch Screen545
- Interfaces546
- Power Supply546
- Declarations of Conformity546
- Ambient Temperature547
- Dimensions547
- Storage Capacity547
34 Accessories548
Index549

Metrohm 900 - Page 4

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