SSH EN 61779-3:2000

Aparate elektrike për zbulimin dhe matjen e gazrave të ndezshëm — Pjesa 3: Kërkesat e performancës për aparatet e grupit I që tregojnë një fraksion të vëllimit deri në 100 % të metanit në ajër

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

Scope

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 a volume fraction of 100 %.

Related directives

Directives related to this standards.