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methane content in air

methane content in air, Total:12 items.

In the international standard classification, methane content in air involves: Alarm and warning systems, Electrical equipment for working in special conditions, Measurement of volume, mass, density, viscosity, Power transmission and distribution networks.

SE-SIS, methane content in air

• 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

British Standards Institution (BSI), methane content in 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 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 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 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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, methane content in air

• 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

Korean Agency for Technology and Standards (KATS), methane content in 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

RU-GOST R, methane content 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

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