YSI 3200, Руководство по эксплуатации

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7. Troubleshooting.....................................................................................................................................39
Error Messages ...............................................................................................................................39
8. Principles of Operation .........................................................................................................................41
8.1 Ratiometric Conductivity................................................................................................................41
8.2 Conductivity Principles...................................................................................................................41
Introduction ....................................................................................................................................41
Conductivity Fundamentals............................................................................................................41
Cell Constant ..................................................................................................................................42
Choosing a Conductivity Cell ........................................................................................................43
Cell Constant Calculation...............................................................................................................45
Conductivity Cell Calibration - Some Things To Remember ......................................................45
Conductivity Law ...........................................................................................................................46
Low Conductivity Measurements...................................................................................................46
General Conductivity Measurement Precautions ...........................................................................47
Platinization....................................................................................................................................47
Temperature Correction..................................................................................................................47
Small Sample Measurements..........................................................................................................49
Conductivity System Accuracy Considerations .............................................................................49
8.3 Salinity ............................................................................................................................................50
8.4 Total Dissolved Solids ....................................................................................................................50
8.5 Temperature ....................................................................................................................................50
8.6 Sources of Errors ............................................................................................................................50
Cell Contamination.........................................................................................................................50
Cell Platinizing ...............................................................................................................................50
Electrical-Noise Errors ...................................................................................................................51
Contact Resistance .........................................................................................................................51
Cable Series Resistance and Shunt Capacitance ............................................................................51
Galvanic and Miscellaneous Effects ..............................................................................................51
9. Warranty & Repair...............................................................................................................................53
Cleaning Instructions .....................................................................................................................56
Packing Instructions.......................................................................................................................57
9.1 Software Upgrade Procedure ..........................................................................................................58
9.2 Disassembly/Assembly Procedures ................................................................................................59
9.3 Test and Verification Procedure .....................................................................................................60
10. Accessories and Replacement Parts ...................................................................................................63
10.1 YSI Conductivity Cells .................................................................................................................64
10.2 Standard Calibrator Solutions .......................................................................................................65
Appendix A - Specifications .....................................................................................................................67
Appendix B - Required Notice..................................................................................................................69
Appendix C - RS232 Connections ............................................................................................................71
Appendix D - Temperature Correction Data for Typical Solutions .....................................................73
Appendix E - Conversion Factors ............................................................................................................77
Appendix F - Glossary of Terms ..............................................................................................................79
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