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Advance Optima Ex Analyzer Modules Operator’s Manual
42/24-12-2 EN
Start the Ex Analyzer Module,
continued
Gas Path Purge
On initial use, purge the gas paths prior to connecting the 24 VDC power supply.
This should remove any explosive gas/air mixture in the gas paths.
Purge gas
For a non-combustible sample gas: Clean instrument air from
areas free of any explosion risk
For a combustible sample gas: Inert gas
Purge gas qty
5 times the volume of the gas paths
Purge gas flow
Approx. 30 l/h
Purge duration
At least 3 minutes
During operation, purge gas flow should be limited to 10 liters/hour.
Activation
Turn on the 24 VDC supply voltage.
F
The sample gas supply should be turned on only after the end of the warm-up
phase and after calibration.