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methane in the air
methane in the air, Total:30 items.
In the international standard classification, methane in the air involves: Air quality, Alarm and warning systems, Electrical equipment for working in special conditions, Measurement of volume, mass, density, viscosity, Power transmission and distribution networks.
Professional Standard - Coal, methane in the air
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, methane in the air
- GB 16192-1996 Health standard for methyl chloride in the air of workplace
- GB 16218-1996 Health standard for dichloromethane in the air of workplace
- GB 16219-1996 Health standard for trichlormethane in the air of workplace
- 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
- GB/T 16078-1995 Workplace air--Determination of methyl chloride--Direct injection gas chromatographic method
- GB/T 16084-1995 Workplace air--Determination of methyl bromide--Direct injection gas chromatographic method
- GB/T 16123-1995 Workplace air--Determination of methyl iodide--1,2-naphthaquinone-4-sodium sulfonate spectrophotometric method
Standard Association of Australia （SAA）, methane in the air
British Standards Institution (BSI), methane in the air
- 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
RU-GOST R, methane in the air
- GOST R 52137-2003 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
- GOST R 52138-2003 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 61779-3-2006 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
Professional Standard - Hygiene , methane in the air
- WS/T 141-1999 Workplace air.Determination of total hydrocarbon except for methane.Gas chromatographic method
CENELEC - European Committee for Electrotechnical Standardization, methane in the air
- EN 61779-3:2000 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
BE-NBN, methane in the air
- NBN-EN 50055-1993 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
- NBN-EN 50056-1993 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
Korean Agency for Technology and Standards (KATS), methane in the air
- 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
International Electrotechnical Commission (IEC), methane in the air
- IEC 61779-2:1998 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
- IEC 61779-3:1998 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
Association Francaise de Normalisation, methane in the air
- NF C23-560-2:2005 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.
- NF C23-560-3:2005 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.