This meets the requirements of The “NSW Government Gazette No 52 Registration of design of Plant
Used to Determine or Monitor the Presence of Gas Order 2015”. However, does not meet the
requirements of AS/NZS 4641:2007 Electrical apparatus for detection of oxygen and other gases and
vapours at toxic levels—General requirements and test methods at a concentration of 10% CO2.
The warmup time is the time interval (with the equipment in a stated atmosphere) between the time
when the equipment is switched on and the time when the indication reaches and remains within the
stated tolerances. The warmup time of the O2 detector for a cold start is 30 Minutes.
This meets the requirements of The “NSW Government Gazette No 52 Registration of design of Plant
Used to Determine or Monitor the Presence of Gas Order 2015” and the performance requirements of
AS/NZS 4641:2018 Electrical apparatus for detection of oxygen and other gases and vapours at toxic
levels—General requirements and test methods. However, does not meet the requirements of AS/NZS
4641:2007 Electrical apparatus for detection of oxygen and other gases and vapours at toxic levels—
General requirements and test methods.
1.1.5.2 Catalytic CH4 Operation
Ampcontrol designed and in-house tested the 0-5% range Methane Sensor - Catalytic (177871) to
comply with the performance requirements of AS/NZS 60079.29.1, Explosive atmospheres, Part 29.1:
Gas detectors—Performance requirements of detectors for flammable gases.
The Mine Safety Technology Centre was engaged to verify the performance of the catalytic detector to
AS/NZS 60079.29.1 and the NSW regulatory requirements. The test report issued states compliance
with the long-term stability test however; this test was shortened from 33 days in total to 26 days in
total.
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