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BS EN 50055:1991
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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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
Available format(s)
Hardcopy , PDF
Superseded date
15-09-2000
Language(s)
English
Published date
20-12-1991
Publisher
Performance requirements for portable and fixed apparatus for the detection and measurement of methane concentrations in mine air.
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