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Troubleshooting & Repair
10.7.2.8. PMT HARDWARE CALIBRATION (FACTORY CAL)
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20. Perform a leak check the system.
21. Power up the analyzer and verify the basic operation of the analyzer using the
ETEST and OTEST features (refer to Section 6.9.5 and 6.9.6) or by measuring
calibrated zero and span gases.
22. Allow the instrument to warm up for 60 minutes.
23. Perform a PMT Hardware calibration (refer to Section 10.7.2.8).
24. Perform a zero point and span calibration (refer to Section 6).
The sensor module hardware calibration adjusts the slope of the PMT output when the
instrument's slope and offset values are outside of the acceptable range and all other more
obvious causes for this problem have been eliminated.
Figure 10-17: Pre-Amplifier Board (Preamp PCA) Layout
1. Set the instrument reporting range type to SNGL (refer to Section 4.6.4).
2. Perform a zero–point calibration using zero air (refer to Section 6).
3. Let the instrument stabilize by allowing it to run for one hour.
4. Adjust the UV Lamp (refer to Section 10.7.2.5).
5. Perform a LAMP CALIBRATION procedure (refer to Section 4.8.7).
6. Locate the Preamp PCA (refer to Figure 10-16).
7. Locate the Following Components On the Preamp PCA (Figure 10-17):
8. HVPS coarse adjustment switch (Range 0-9, then A-F).
Teledyne ML - T100 UV Fluorescence SO2 Analyzer
06807A(DCNxxxx)
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