MAN0597 ISSUE 08 - 02/04
2302M5030
4. OPERATION
60
4.9.2.3 Calibration Gas Settings
WARNING
Verify that the concentration printed on the label of the
calibration gas cylinder that will be used is the same as the
concentration shown on the calibration gas settings
screen. Using the wrong concentration may cause
incorrect adjustment during calibration procedures, and
lead to dangerously inaccurate readings during normal
operation.
Select the channel to change. The
highlighted channel settings can then
be altered using the
! (increase) and
# (decrease) buttons, holding the
buttons down to change the setting
more rapidly. Press
" to store the new
settings value.
Assuming flammable is chosen the instrument will request
which calibration gas is being used, irrespective of what the
instrument is set to measure.
Zellweger Analytics recommends the following calibration gas
concentrations:
Flammable (%LEL Measurement) :50%lel Methane
Flammable (%VOL Measurement):2.5%v/v Methane
Carbon Monoxide: 100ppm
Hydrogen Sulfide: 40ppm
Carbon Dioxide: 2.0 %v/v
Settings
FLM:
CO:
H2S:
50
100
40.0
%LEL
ppm
ppm
Select Gas
Propane
Butane
Methane
Pentane
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