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NEN-EN 50055

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

inactive, Most Current
Organization: NEN
Publication Date: 1 August 1998
Status: inactive
Page Count: 9
ICS Code (Electrical and electronic testing): 19.080
scope:

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. 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).

Document History

NEN-EN 50055
August 1, 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
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...
May 1, 1996
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
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...
August 1, 1995
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
A description is not available for this item.
July 1, 1994
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
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...
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