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  • IEC 61779-4 Ed. 1.0 en:1998

IEC 61779-4 Ed. 1.0 en:1998

Electrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating up to 100% lower explosive limit

International Electrotechnical Commission, 04/23/1998

Publisher: IEC

File Format: PDF

$15.00$30.00


Published:23/04/1998

Pages:7

File Size:1 file , 45 KB

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

Specifies requirements for group II (as defined in part 1) portable, transportable and fixed apparatus for the detectino and measurement of combustible gas or vapour concentrations with air. The apparatus, or parts thereof, may be installed or used in potentially explosive atmospheres, other than mines susceptible to firedamp (i.e. group I). This standard is restricted to apparatus intended for the detection and measurement of combustible gas or vapour concentrations with air up to 100% lower explosive limit (LEL).

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