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IEC 61779-4

Electrical Apparatus for the Detection and Measurement of Flammable Gases - Part 4: Performance Requirements for Group II Apparatus Indicating a Volume Fraction Up to 100% Lower Explosive Limit

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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 (Electrical apparatus for explosive atmospheres): 29.260.20
scope:

This part of IEC 61779 specifies requirements for group II (as defined in part 1) portable, transportable and fixed apparatus for the detection and measurement of combustible gas or vapour concentrations with air. The apparatus, or parts thereof, may be installed or used in potentially explosive atmospheres, other than mines susceptible to firedamp (i.e. group I). The requirements and test methods applicable to the apparatus covered by this standard are specified in part 1.

This standard is restricted to apparatus intended for the detection and measurement of combustible gas or vapour concentrations with air up to 100 % lower explosive limit (LEL).

Document History

IEC 61779-4
April 1, 1998
Electrical Apparatus for the Detection and Measurement of Flammable Gases - Part 4: Performance Requirements for Group II Apparatus Indicating a Volume Fraction Up to 100% Lower Explosive Limit
This part of IEC 61779 specifies requirements for group II (as defined in part 1) portable, transportable and fixed apparatus for the detection and measurement of combustible gas or vapour...

References

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