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  • IEC 61779-2 Ed. 1.0 en:1998

IEC 61779-2 Ed. 1.0 en: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

International Electrotechnical Commission, 04/15/1998

Publisher: IEC

File Format: PDF

$15.00$30.00


Published:15/04/1998

Pages:7

File Size:1 file , 43 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies requirements for group I (as defined in part 1) portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air. The apparatus, or parts thereof, are intended for use in mines susceptible to firedamp. The requirements and test methods applicable to the apparatus covered by this standard are specified in part 1. This standard is restricted to apparatus intended for the detection and measurement of volume ratios of methane in air from a volume fraction of 0 % up to, but not exceeding, a volume fraction of 5%.

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