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Operating Manual
OMGEM5KN – Iss. 5.1
Copyright – Geotechnical Instruments (UK) Ltd
The 5000 series refers to the GA5000, GEM5000 and
the BIOGAS 5000 gas analysers.
Operational errors are prefixed on the analyser by the
word ERROR followed by an error code.
Refer to the list of standard error codes for more
information.
Analyser warnings are prefixed by the word WARNING
followed by a relevant description. There are two
types of warning messages displayed; general warnings
that may not necessarily affect the instrument’s
function (for example, battery power low) and
operational parameters that could affect the
performance of the analyser (for example, CH
4
out of
calibration).
Device for measuring velocity of gas in the pipe. The
GEM5000 analyser can be set to convert into a flow.
See also flow measurement.
The GEM5000 is ATEX certified to zone 1 & 2 areas
above ground not in mines.
This refers to the channels where external devices will
be connected or displayed.
The analyser has a built-in backlight for low ambient
light conditions. This can be toggled on/off using the
backlight key.
The atmospheric pressure at the given location.
Typical location from which a gas sample is obtained.
The gas analyser is carefully calibrated against known
standards.
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