BA02191C SS2100 H
2
S TDLAS Gas Analyzer
Endress+Hauser B-3
Electrical Noise
High levels of electrical noise can interfere with laser operation and cause it to
become unstable. Always connect the analyzer to a properly grounded power
source. Refer to “Protective chassis and ground connections” on page
3-5.
Relief Valve Setting
The relief valve is pre-set at the factory at 50 PSIG and should not require
adjustment. Refer to the system drawings in Appendix A.
Peak Tracking Reset Procedure
The analyzer’s software is equipped with a peak tracking function that keeps
the laser scan centered on the absorption peak. Under some circumstances,
the peak tracking function can get lost and lock onto the wrong peak. If the
PeakTk Restart Alarm is displayed, the peak tracking function should be
reset. Refer to the Description of Device Parameters for this analyzer for
instruction.
Cleaning the Mirrors
If contamination makes its way into the cell and accumulates on the internal
optics, a Laser Power Low Alrm fault will result. If mirror contamination is
suspected, please refer to “Service Repair Order” on page B-25 before
attempting to clean the mirrors. If advised to do so, use the following
procedure.
Improper adjustment in the field could prevent the proper
operation of the relief valve and/or sample conditioning system.
Contact “Service” on page B-25 for questions or issues.
This procedure should be used ONLY when necessary and is not
part of routine maintenance. To avoid compromising the system
warranty, contact “Service” on page B-25 before cleaning
mirrors.
INVISIBLE LASER RADIATION - 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.
LASER RADIATION
AVOID EXPOSURE TO BEAM
CLASS 3B LASER PRODUCT
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