OMGEM5KN4.7.1
GEM5000 Gas Analyzer
Page
50
of
70
Note:
When onsite the site engineer must have an unmodified water trap assembly
in addition to the modified water trap with a H
2
S filter in order to take
readings with and without a filter.
1)
Once the H
2
S filter is fitted follow the instructions as detailed on the front of the gas
analyser displayed when taking readings using a H
2
S filter.
Note:
This is only for analysers fitted with the CO compensated cell.
Fitting a pitot tube to a sample point when using an H
2
S filter:
2)
Make sure the water trap filter is fitted as close as possible to the pitot tube. This
will help protect and trap moisture before it reaches the H
2
S filter. Make sure that
the water trap filter is clean and dry.
3)
Attach the sample tubing into the analyzer.
4)
To take flow readings using a pitot tube, please follow the instructions displayed on
the front of the instrument. The user will be prompted to complete each step and
should follow the instructions on screen.
Note:
It is important to fit the pitot tube central and parallel with the pipe.