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REPLACEMENT AND CLEANING OF PHOTOMETRIC COMPONENTS
24 - 4
ETC00781(4) Series 100 e 02/2004
24.3.2 Cleaning
a) Windows
The windows on the filter cell, chopper housing, the adapter cell resp. analysis cell may be
cleaned with a soft, lint-free cloth.
Use a highly volatile alcohol for the cleaning procedure.
To remove any remaining lint and dust particles, blow off the cleaned components with nitrogen
(N
2
).
b) non-divided analysis cells
The analysis cell may be cleaned with a soft, lint free cloth.
Use a highly volatile alcohol for the cleaning procedure.
To remove any remaining lint and dust particles, blow off analysis cell with nitrogen (N
2
).
c) divided analysis cells
If pollution is visible in the analysis cell, it can be removed with suitable solvents e. g. acetone
or spirit. Afterwards the analysis cell has to be flushed with an alcohol which evaporates easily
and dried by blowing nitrogen (N
2
).
Max. pressure in analysis cell 1,500 hPa !
CLEANING