Emerson Rosemount CT4400 Reference Manual page 89

Continuous gas analyzer
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Reference Manual
00809-0100-4244
17. Clean the mirrors by applying a small quantity of reagent grade methanol to a
Reference Manual
Figure 7-21: Opening the Analysis Cell
A. Analysis cell
B. O-ring
C. Cell cover
D. Fasteners
clean, dry, lens tissue and then gently wiping the mirrors with the lens tissue. Care
MUST be taken not to apply pressure to the lens during this operation to prevent
scratching the reflective surface.
Scratches to the mirror surface WILL affect the ability for the analyzer to operate
and WILL NOT be covered by the warranty for the analyzer. (If reagent grade
methanol is unavailable, then reagent grade IPA may be used instead.)
Troubleshooting and diagnostics
January 2020
89

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