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PREPARATION
5 - 3
ETC00781(4) Series 100 e 02/2004
5.2 Gas Conditioning (Sample Handling)
The conditioning of the sample gas is of greatest importance for the successful operation of any
analyzer according to extractive method.
All gases have to be supplied to the analyzers as conditionned gases !
If corrosive gases are inserted into the instrument, it has is to be verified that there
are no gas components which may damage the gas path components.
The gas has to fullfil the following conditions:
It must
R be free of condensable constituents
R be free of dust
R be free of aggressive constituents which are not compatible with the material of the gas
paths.
R have temperatures and pressures which are within the specifications stated in “Technical
Data” of this manual.
Inflammable or explosive gas mixtures may not be introduced into the analyzers
without supplementary protective measures !
When analysing vapours, the dewpoint of the sample gas has to be at least 10 °C below the
ambient temperature in order to avoid the precipitation of condensate in the gas paths.
Suitable gas conditionning hardware may be supplied or recommended for specific analytical
problems and operating conditions.
GAS CONDITIONING (SAMPLE HANDLING)