Geotech GEM5000 - Taking Readings and Measurements; Preliminary Checks Before Taking Readings

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Page 50 of 127
Operating Manual
OMGEM5KN – Iss. 5.1
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Copyright – Geotechnical Instruments (UK) Ltd
GEM5000
TAKING READINGS
Preliminary checks before taking readings (best practice)
Start
ID codes and
information
uploaded
Battery has good
charge
Check span
calibration
Take readings
Step 1
Step 5
Analyser
has correct time and
date set
Water trap filter is
clean and dry
Gases
zeroed
Step 2
Step 3
Step 4
Step 6
Step 7
Prior to use, it is good practice to ensure
that:
Step 1 If using GAM ID codes and
information have been
uploaded from GAM to the
analyser. Please see section
8.1.1 for more information on
this.
Step 2 The instrument has the correct
time and date set.
Step 3 The water trap filter is fitted
and is clean and dry.
Step 4 The battery has a good charge
(minimum 25% charge, even if
only a few readings are
required).
Step 5 All gas channels have been
zeroed, without gas
concentration present.
Step 6 If necessary check the span
calibration with a known
concentration calibration gas.
Step 7 Take readings.