PAC R6000S, Operation Manual

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Page 56 of 92 PAC L.P., All Rights Reserved, 2015
R6000S Operation Manual: Rev. G
2. Make sure the Sulfur Level Meter has a display. If Auto Zeroing didn't occur with power up, press
Auto Zero button and observe that the Zeroing Light illuminates and that the number on the Level
Meter is adjusted towards zero (0.0).
3. Set the Sensitivity knob to 1.
4. Set the High/Low Gain switch to High.
5. Turn ON the PMT High-Voltage.
6. Switch ON power to the UV lamp.
7. Wait approximately 30 minutes to allow the UV lamp and PMT to stabilize.
UV LIGHT RADIATION HAZARD!
MINOR OR MODERATE INJURY COULD OCCUR IF NOT AVOIDED!
A UV light radiation hazard exists.
HOW TO PROCEED: Avoid hazard by NOT LOOKING DIRECTLY INTO ANY UV
LIGHT SOURCE. Wear appropriate UV eye protection.
8. Depress the Auto Zero button to bring the Level Meter to zero.
9. Loosen the UV lamp housing "null adjustment screw" on the housing bracket.
10. Slowly move the UV lamp housing back and forth along the slide bracket while observing the signal
level meter.
11. Locate the position that produces the highest (most positive) reading on the level meter. The UV lamp
is now at the most optically sensitive position.
12. Tighten the UV lamp housing "null adjustment screw" on the housing bracket.
13. Replace the top cover of the detector module.
14. Perform the startup procedure to confirm proper function of the lamp.
15. Recalibrate the instrument.
16. Resume normal operation.
4.2.6
UV Lamp Replacement
In the event the sulfur UV lamp needs replacement, the following steps should be taken.
1. Turn the power switch to the OFF position and remove the power cord from the detector module,
following page.