Adjusting The Optical Bench Uv Lamp; Figure 5-8. Optical Bench - Lamp Adjustment/ Installation - Teledyne T400 User Manual

10. Air dry the tube.
11. Check the cleanliness by looking down the bore of the tube.
• It should be free from dirt and lint.
12. Inspect the o-rings that seal the ends of the optical tube (these o-rings may stay
• If there is any noticeable damage to these o-rings, they should be replaced.
13. Re-assemble the tube into the lamp housing and return the top cover of the optical
14. Prior to tightening the retainer screws, gently push the tube all the way toward the
15. Return the cover to the analyzer and power up the analyzer.
16. Perform an AUTO LEAK CHECK on the instrument.
5.6.8 A
DJUSTING THE
This procedure details the steps for adjustment of the UV source lamp in the optical
bench assembly. This procedure should be done whenever the test function O3 REF
value drops below 3000 mV
1. Make sure the analyzer is warmed-up and has been running for at least 15 minutes
before proceeding.
2. Remove the cover from the analyzer.
3. Locate the UV DETECTOR GAIN ADJUST POT on the photometer
assembly, shown below in Figure 5-8
4. Navigate to Utilities>Diagnostics>Analog Inputs>Photo Detector.
110
seated in the manifolds when the tube is removed.)
bench.
front of the optical bench when it is reassembled; this will ensure that the tube is
assembled with the forward end against the stop inside the detector manifold.
O B
PTICAL ENCH
CAUTION – UV Radiation Risk
Do not look directly at the light of the UV lamp. Use safety glasses
rated for UV protection while performing this adjustment.
Figure 5-8. Optical Bench – Lamp Adjustment/ Installation
Teledyne API – Model T400 O
UV L
AMP
Analyzer
3
083730400A DCN8130