Enmet OMNI-4000 Manual do Utilizador Página 49

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OMNI-4000 S/N 6705 and above ENMET Corporation
43
3.5 Selecting the Channel for Calibration
There is a channel for each sensor. Channel 1 is reserved for the explosive gas sensor. If a CO2 smart block is used, it
is installed in channel 2.
To change the channel, press the MENU switch
To confirm the choice and proceed with the calibration of the displayed channel, press the ENTER switch
3.5.1 Calibration of the Explosive Gas Channel
The calibration cover
A vinyl hose, approximately 1 meter long
A cylinder of calibration gas of known content, 20%LEL methane, for example
Preparing the OMNI-4000
Attach the calibration cover,
Connect the calibration gas cylinder to the injection cover with the vinyl hose; See Figure 3-6
The channel has been selected. If not, refer to the "Selecting the Channel for Calibration" paragraph, above.
Figure 3-6: Calibration Gas Equipment Arrangement
Calibration
cover
Regulator
Gas Cylinder
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