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EN 50056:1998

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 EN 50056:1998

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

13.320   Alarm and warning systems

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Scope

This European Standard specifies performance requirements for Group I (as defined in 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 firedamp 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 volume ratios of methane in air from 0 % (v/v) up to 100 % (v/v). NOTE: Apparatus covered by this European Standard will normally be intended to operate in volume ratios greater than 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
Legislation 94/9/EC

Life cycle

PREVIOUSLY

WITHDRAWN
EN 50056:1991

WITHDRAWN
EN 50056:1991/A1:1995

NOW

WITHDRAWN
EN 50056:1998
99.60 Withdrawal effective
Jun 30, 2003

REVISED BY

WITHDRAWN
EN 61779-3:2000