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GEM5000 Gas Analyzer
NO
2
Operating language
PPM
Pump
ID
Relative pressure
Relative pressure transducer
Residual N
2
Sample tube
Span
Span multi gas
Technician ID
Temperature probe
Update site data
Nitrogen dioxide
The operator can choose the default operating
language for the analyzer. Choices are English,
German, Spanish, French and Italian.
Parts per million
Used to draw the gas sample from the sample
point to the analyzer.
Select the pump key
activate.
The user definable identification tag allocated to
a sample point.
The pressure at the sample point 'relative' to
atmospheric (barometric) pressure.
The internal component used to measure the
relative pressure.
The calculation for the residual N
latest version of the GEM5000 platform is as
follows:
Residual N
= Balance – (O
2
Where, Balance = 100% - (CH
O
%) and 3.76 is the ratio of O
2
ambient air (79/21)
The tube used to obtain a sample of gas from
the sample point to the analyzer.
The point at which the gas analyzer is calibrated
when a known quantity of the target gas is
present.
Term by which the span calibration of the three
main gas channels is known. This option must
only be used when the calibration gas being
used is a combination of CH
An alpha-numeric code tagged to each gas
reading. Facility only available via LSGAM. This
is an optional feature.
External device used to measure the gas
temperature at the sample point.
This is optional.
Enables the operator to answer pre-defined
questions relating to the site, environment etc.
These questions are defined via LSGAM
software.
OMGEM5KN4.7.1
on the analyzer to
used on the
2
% x 3.76)
2
% + CO
% +
4
2
to N
in
2
2
CO
O
.
4
2
2
Page 69 of 70
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