Filter
Top Products
M102E/M501 TRS
(Addendum to M101E Manual - P/N 04740 Rev A)
8. INSTRUMENT MAINTENANCE ..................................................................................................... 39
8.1. Additional and Updated Maintenance Procedures........................................................................40
8.1.1. Maintaining the SO
2
Scrubber ...........................................................................................40
8.1.1.1. Predicting When the SO
2
Scrubber Should Be Replaced. .................................................40
8.1.1.2. Checking the Function of the SO
2
Scrubber...................................................................41
8.1.1.3. Changing the SO
2
Scrubber Material............................................................................41
9. THEORY OF OPERATION............................................................................................................. 43
9.1. Measurement Principle ...........................................................................................................43
9.1.1. TRS Conversion ..............................................................................................................43
9.1.2. SO
2
Ultraviolet Fluorescence .............................................................................................43
9.2. The UV Light Path..................................................................................................................46
9.2.1. UV Lamp Shutter & PMT Offset..........................................................................................46
9.3. Pneumatic Operation..............................................................................................................46
9.3.1. Sample gas Flow.............................................................................................................46
9.3.2. M501 SO
2
Scrubber.........................................................................................................46
9.4. Electronic Operation...............................................................................................................47
9.4.1. Sensor Module................................................................................................................47
9.4.1.1. Sample Chamber......................................................................................................48
9.4.1.2. Sample Chamber Heating Circuit.................................................................................48
9.4.2. M501-TRS electronics ......................................................................................................49
9.4.2.1. Thermal Switch ........................................................................................................49
9.4.2.2. Temperature Alarms and Alarm Output........................................................................50
10. TROUBLESHOOTING & REPAIR ................................................................................................ 51
10.1.1. Fault Diagnosis with Warning Messages ............................................................................51
10.1.1.1. M102E Warning Messages ........................................................................................51
10.1.1.2. M501-TRS Error Codes.............................................................................................51
10.1.2. Fault Diagnosis with Test Functions..................................................................................52
10.2. M501-TRS Trouble shooting ..................................................................................................53
10.2.1. TRS Converter Not Heating:............................................................................................53
10.3. Other Performance Problems.................................................................................................53
10.3.1. Excessive noise.............................................................................................................53
10.4. Subsystem Checkout............................................................................................................54
10.4.1. Checking the Efficiency of the M501-TRS SO
2
Scrubber.......................................................54
10.4.2. Checking the Efficiency of the M501-TRS TRS Æ SO
2
Converter............................................54
10.5. Additional Repair Procedures .................................................................................................55
10.5.1. UV Lamp Adjustment and/or Replacement ........................................................................55
10.5.1.1. Adjusting the UV Lamp (Peaking the Lamp) ................................................................56
10.5.1.2. Replacing the UV Lamp............................................................................................57
10.5.2. Replacing the UV filter/lens..............................................................................................58
10.5.3. Replacing the PMT, HVPS or TEC......................................................................................59
10.5.4. M102E PMT Hardware Calibration (FACTORY CAL) ..............................................................61
10.5.5. Replacing the TRS Converter Heating Tube .......................................................................63
10.6. Manually Programming the M501-TRS Temperature Controller ...................................................64
10.6.1. Temperature Controller Primary Menu Parameters..............................................................65
10.7. Technical Assistance ............................................................................................................67
LIST OF APPENDICES
APPENDIX A - VERSION SPECIFIC SOFTWARE DOCUMENTATION
APPENDIX A-1: M102E Software Menu Trees, Revision A.2
APPENDIX A-2: Setup Variables For Serial I/O, Revision A.2
APPENDIX A-3: Warnings and Test Functions, Revision A.2
APPENDIX A-4: M102E Signal I/O Definitions, Revision A.2
APPENDIX A-5: M102E iDAS Functions, Revision A.2
APPENDIX B - M102E SPARE PARTS LIST
APPENDIX D - ELECTRONIC SCHEMATICS
ii 05514 Rev A1