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REPLACEMENT AND CLEANING OF PHOTOMETRIC COMPONENTS
17 - 4
ETC00303(1) BINOS E e (2.0) 02/2007
Rosemount Analytical
17.3.2 Cleaning
a) Windows
The shielding windows (on the filter cells, chopper housing and the analysis cell) may be
cleaned with a soft, fluff free cloth.
Use a highly volatile alcohol for the cleaning procedure.
To remove any lint and dust particles remaining, blow off the cleaned components with nitrogen
(N
2
).
b) non-divided analysis cells
The analysis cell may be cleaned with a soft, fluff free cloth.
Use a highly volatile alcohol for the cleaning procedure.
To remove any lint and dust particles remaining, blow off analysis cell with nitrogen (N
2
).
c) divided analysis cells
If deposits are visible in the analysis cell, these can be removed with suitable solvents e. g.
acetone or spirit. Then the analysis cell is to be flushed with an alcohol which evaporates easily
and dried by blowing nitrogen (N
2
).
Maxi. pressure in analysis cell 1.500 hPa !
CLEANING