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OMGEM5KN4.7.1
8.0
Taking Readings
8.1 Preliminary checks before taking readings (best practice)
Start
Step 1
ID codes and
information
Step 2
uploaded
Page 38 of 70
Check mode of
operation is correct
(GEM /GA)
Step 3
Analyser
has correct time
and date set
Step 4
Water trap filter is
clean and dry
Step 5
Battery has
good charge
Step 6
Gases
zeroed
Step 7
Check span
calibration
Step 8
Take readings
GEM5000 Gas Analyzer
Prior to use, it is good practice to ensure
that:
Step 1
If using LSGAM - all necessary ID
codes and information have been
uploaded from LSGAM to the
analyzer. Please see section 8.1.1
for more information on this.
Step 2
Check the 'Mode of Operation' is
correct. Choose either GEM5000
for gas extraction monitoring
analyzer or GA5000 for landfill gas
analyzer. Change using 'Special
Actions'.
Step 3
The instrument has the correct
time and date set.
Step 4
The water trap filter is fitted and
is clean and dry.
Step 5
The battery has a good charge
(minimum 25% charge, even if
only a few readings are required).
Step 6
The gas channels have been
zeroed, without gas concentration
present.
Step 7
If necessary check the span
calibration with a known
concentration calibration gas.
Step 8
Take readings.
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