Teledyne 6200T - Sulfides Analyzer - Manual (Page 265)

6200T Total Sulfur Analyzer Troubleshooting
Teledyen Analytical Instruments 265
The sample chamber should only be opened or cleaned on instructions
from the Teledyne Analytical Instruments Customer Service
Department.
Be careful not to leave thumbprints on the interior of the sample
chamber. The various oils that make up fingerprints fluoresce brightly
under UV light and will significantly affect the accuracy of the
analyzer’s SO
2
measurement).
To clean the PMT Lens and filter:
1. Remove the sensor module as described in Section 12.7.2.1.
Figure 12-9: Hex Screw Between Lens Housing and Sample Chamber