Standard

NEK EN 50055:1998

Jul 1998 Withdrawn

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Language English

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Abstract

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)

Document information

Standard from NEK
Published: 9 July 1998
Withdrawn: 30 June 2003
Edition: 1
Version: 1
Document type: NAT
ISBN:

ICS 19.080

Legal references

EU law: 94/9/EC

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Replaced by: NEK EN 61779-2:2000
Adopted from: EN 50055:1998 , 0

NEK EN 50055:1998

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Abstract

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