SS500e/SS2000e/SS3000e Gas Analyzers
B–8 4900002230 rev. D 2-6-20
4. Gently remove the mirror assembly from the cell by removing the
socket-head cap screws and set on a clean, stable and flat surface.
5. Confirm need to replace mirror due to contamination. If yes, set
mirror aside.
6. Put on clean acetone-impenetrable gloves.
7. Obtain the new stainless steel mirror. Refer to Figure B–3.
8. Check the O-ring.
a. If a new O-ring is needed, apply grease on fingertips and then
to the new O-ring.
b. Place newly greased O-ring into the groove around the outside
of the mirror taking care not to touch the mirror surface.
9. Carefully place the new stainless steel mirror onto the cell making
sure the O-ring is properly seated.
10. Tighten the socket-head cap screws evenly with a torque wrench to
13 in-lbs.
• Loss of pressure reading
• Incorrect pressure reading
• Pressure sensor not responding to pressure change
• Physical damage to the pressure sensor
The sample cell assembly contains a low-power, 10 mW MAX, CW
Class 3b invisible laser with a wavelength between 750-3000 nm.
Never open the sample cell flanges or the optical assembly unless
the power is turned off.
Always handle the optical assembly by the edge of the mount.
Never touch the optical surfaces of the mirror.
Figure B–3 Stainless steel mirror;
mirror side up
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