EN 50055:1998

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

Publication date:   Sep 1, 2002

General information

99.60 Withdrawal effective   Jun 30, 2003

CENELEC

CLC/TC 31 Electrical apparatus for potentially explosive atmospheres

European Norm

19.080   Electrical and electronic testing

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Scope

This European Standard specifies performance requirements for Group I (as defined in European Standard EN 50054) 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 firedamps and shall meet the general requirements and test methods specified in EN 50054.This European Standard is restricted to apparatus intended for the detection and measurement of methane volume ratios in air from 0 % (v/v) up to but not exceeding 5 % (v/v)

Related legislation

Legislation related to this standard

94/9/EC

Equipment and protective systems intended for use in potentially explosive atmospheres (ATEX)

Harmonized/Supporting

Life cycle

PREVIOUSLY

WITHDRAWN
EN 50055:1991

WITHDRAWN
EN 50055:1991/A1:1995

NOW

WITHDRAWN
EN 50055:1998
99.60 Withdrawal effective
Jun 30, 2003

REVISED BY

WITHDRAWN
EN 61779-2:2000