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IEC 61779-2

Electrical Apparatus for the Detection and Measurement of Flammable Gases - Part 2: Performance Requirements for Group I Apparatus Indicating a Volume Fraction Up to 5% Methane in Air

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Organization: IEC
Publication Date: 1 April 1998
Status: inactive
Page Count: 104
ICS Code (Measurement of volume, mass, density, viscosity): 17.060
ICS Code (Power transmission and distribution lines): 29.240.20
scope:

This part of IEC 61779 specifies requirements for group I (as defined in part 1) 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. The requirements and test methods applicable to the apparatus covered by this standard are specified in part 1.

NOTE  - The use of group I apparatus may not be permitted without the additional and prior approval of the relevant authority in mines under its jurisdiction, see note 1 of 1.1.1 of part 1.

This standard is restricted to apparatus intended for the detection and measurement of volume ratios of methane in air from a volume fraction of 0 % up to, but not exceeding, a volume fraction of 5 %.

Document History

IEC 61779-2
April 1, 1998
Electrical Apparatus for the Detection and Measurement of Flammable Gases - Part 2: Performance Requirements for Group I Apparatus Indicating a Volume Fraction Up to 5% Methane in Air
This part of IEC 61779 specifies requirements for group I (as defined in part 1) portable, transportable and fixed apparatus for the detection and measurement of methane concentrations in mine air....

References

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