Endress+Hauser SpectraSensors SS500e - To Clean the Mirror

Troubleshooting & Maintenance
Hardware Installation and Maintenance Manual B
–5
1. Feel at the bottom of the cell for the engraved “X” marking. Refer to
Figure B–2 below.
a. If the surface is smooth, a glass mirror is being used.
b. If the surface is rough, or an engraving is detected, a stainless
steel mirror is being used.
To clean the mirror, refer to the instructions “To clean the mirror” on page
B-5. To replace a stainless steel mirror, refer to the instructions for “To replace
the stainless steel mirror” on page B-7.
Tocleanthemirror
1. Power down the analyzer following the procedure outlined in the
section called “Powering Down the Analyzer” in the Firmware
Operator’s Manual.
2. Isolate the analyzer from the sample bypass flow by shutting off the
appropriate valve(s) and/or pressure regulator. Follow the procedure
outlined in “To isolate the measurement sample cell for short-
term shutdown” on page 4-10.
Do not attempt to replace a glass mirror with a stainless steel
mirror or system calibration may be adversely affected.
All valves, regulators, switches, etc. should be operated in
accordance with site lock-out/tag-out procedures.
Figure B–2 Stainless steel mirror marking
MIRROR MARKED
WITH ‘X’
MIRROR GROOVED
RIM - SIDE VIEW