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air methane content
air methane content, Total:12 items.
In the international standard classification, air methane content involves: Alarm and warning systems, Measurement of volume, mass, density, viscosity, Electrical equipment for working in special conditions, Power transmission and distribution networks.
British Standards Institution (BSI), air methane content
- BS 6020-2:1981 Instruments for the detection of combustible gases - Specification for safety and performance requirements for Group I instruments reading up to 5% methane in air
- BS EN 50055:1991 Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 5 % (V/V) methane in air
- BS EN 50055:1999 Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 5 % (V/V) methane in air
- BS EN 50056:1999 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
- BS EN 61779-2:2000 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
- BS EN 61779-3:2000 Electrical apparatus for the detection and measurement of flammable gases - Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air
Korean Agency for Technology and Standards (KATS), air methane content
- KS C IEC 61779-2:2003 Electrical apparatus for the detection and measurement of flammable gases-Part 2 : Performance requirements for group Iapparatus indicating a volume fraction up to 5% methane in air
RU-GOST R, air methane content
- GOST IEC 61779-3-2006 Electrical apparatus for the detection and measurement of flammable gases. Part 3. Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air
- GOST IEC 61779-2-2006 Electrical apparatus for the detection and measurement of flammable gases. Part 2. Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in air
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, air methane content
- GB 20936.2-2009 Electrical apparatus for the detection and measurement of flammable gases.Part 2:Performance requirements for group I apparatus indicating a volume fraction up to 5% methane in air
- GB/T 20936.3-2009 Electrical apparatus for the detection and measurement of flammable gases.Part 3:Performance requirements for group I apparatus indicating a volume fraction up to 100% methane in air
SE-SIS, air methane content
- SIS SS-EN 50 055-1992 Electrical apparatusfor the detection and measurement ofcombustible gases - Performance requirements for Group I apparatus indicating upto5% (v/v) methane in air