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Troubleshooting & Repair
Teledyne ML - T100 UV Fluorescence SO2 Analyzer
296
06807A(DCNxxxx)
PMT Housing End Plate
This is the entry to the PMT Exchange
PMT Preamp PCA
High voltage Power Supply
(HVPS)
PMT
PMT Cold Block
Connector to PMT
Pre Amp PCA
12V Power
Connector
Cooling Fan
Housing
TEC Driver PCA
PMT Heat Exchange Fins
Light from Reaction
Chamber shines
through hole in side
of Cold Block
Insulation Gasket
PMT Power Supply
& Aux. Signal
Connector
PMT Output
Connector
Thermo-Electric Cooler
(TEC)
PMT Temperature
Sensor
O-Test LED
Figure 10-16: PMT Assembly - Exploded View
To replace the PMT, the HVPS or the TEC:
1. Remove the sensor module as described in Section 10.7.2.1.
2. Remove the entire sensor module assembly from the.
3. Remove the reaction cell assembly.
4. Remove the two connectors on the PMT housing end plate facing towards the front
panel.
5. Remove the end plate itself (4 screws with plastic washers).
6. Remove the desiccant bags inside the PMT housing.
7. Along with the plate, slide out the OPTIC TEST LED and the thermistor that
measures the PMT temperature.
Both may be coated with a white, thermal conducting paste. Do not contaminate the inside of
the housing or the PMT tube with this grease.
8. Unscrew the PMT assembly. It is held to the cold block by two plastic screws.
Summary of Contents for T100
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Page 20: ...Teledyne ML T100 UV Fluorescence SO2 Analyzer xx ...
Page 21: ...21 PART I GENERAL INFORMATION ...
Page 77: ...77 PART II OPERATING INSTRUCTIONS ...
Page 78: ...Getting Started Teledyne ML T100 UV Fluorescence SO2 Analyzer 78 ...
Page 207: ...207 PART III TECHNICAL INFORMATION ...
Page 208: ...208 06807A DCNxxxx ...
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Page 362: ...APPENDIX B T100 Spare Parts List T100 Instruction Manual B 2 068070000 Rev A ...
Page 370: ...APPENDIX D ELECTRONIC SCHEMATICS T100 Instruction Manual D 2 068070000 Rev A ...