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Teledyne ML - T100 UV Fluorescence SO2 Analyzer
10.7.2.7. REPLACING THE PMT, HVPS OR TEC
Note
7. Tighten the two UV lamp bracket screws, but leave the brass thumb screw un-
tightened.
8. Connect the new UV lamp to the power supply.
9. Turn the instrument on and perform the UV adjustment procedure as defined in
section 10.7.2.5.
10. Finger tighten the thumbscrew.
DO NOT over tighten the thumbscrew, as over-tightening can cause breakage to the
lamp and consequently release mercury into the area.
11. Perform a lamp calibration procedure (refer to Section 4.8.7) and a zero point and
span point calibration (refer to Section 6).
The PMT should last for the lifetime of the analyzer. However, in some cases, the high
voltage power supply (HVPS) or the thermo-electric cooler (TEC) may fail.
When removing the PMT housing end plate cover for the Sensor Assembly, ensure to
replace the 5 desiccant bags inside the housing.
06807A(DCNxxxx)
CAUTION
GENERAL SAFETY HAZARD
Troubleshooting & Repair
295
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