Seitron CHEMIST 200 Use And Maintenance Manual page 63

Instructions for accurate testing Instructions for accurate testing
Instructions for accurate testing Instructions for accurate testing
In order to achieve a certain degree of accuracy when conducting flue gas analysis, the following should be respected:
•
the boiler being checked should be running in steady state conditions
•
the flue gas analyser should be switched on at least 3 minutes before testing (time to auto-calibrate) with the probe
located in fresh air
•
the point in which the probe is inserted for analysis has to be at a distance of approximately twice the stack diameter or,
alternatively, as directed by the boiler manufacturer.
•
the water trap should be completely empty and positioned vertically
•
before switching off the instrument, extract the probe and wait at least 3 minutes (the CO value has to drop below
10 ppm)
•
Before returning the instrument to its place, clean the water trap and relative hose; if water is present in the hose clean
the latter by blowing inside.
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