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EN 50057:1991

EN 50057:1991

Electrical apparatus for the detection and measurement of combustible gases - Performance requirements for Group II apparatus indicating up to 100% lower explosive limit

General information

Current stage: 99.60 Withdrawal effective Jan 1, 1999

Originator: CENELEC

Owner: CLC/TC 31 Electrical apparatus for potentially explosive atmospheres

Type: European Norm

Life cycle

NOW

WITHDRAWN
EN 50057:1991
99.60 Withdrawal effective
Jan 1, 1999

REVISED BY

WITHDRAWN
EN 50057:1998