Electrical apparatus for the detection and measurement of flammable gases-Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in the air
Electrical apparatus for the detection and measurement of flammable gases-Performance requirements for group II apparatus indicating a volume fraction up to 100% gas
Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 100% (V/V) methane in air
Code of practice for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases (other than for mining applications or explosives processing and manufacture)
Code of practice for selection, installation, use and maintenance of apparatus for the detection and measurement of combustible gases (other than for mining applications or explosives processing and manufacture)