IEC 61779-3:1998 ED1

Electrical apparatus for the detection and measurement of flammable gases - Part 3: Performance requirements for group I apparatus indicating a volume fraction up to 100 % methane in air IEC 61779-3:1998 ED1

Publication date:   Apr 15, 1998

General information

99.60 Withdrawal effective   Aug 9, 2007

IEC

TC 31

International Standard

17.060   Measurement of volume, mass, density, viscosity | 29.260.20   Electrical apparatus for explosive atmospheres

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Scope

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.

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 a volume fraction of 100 %.

Life cycle

NOW

WITHDRAWN
IEC 61779-3:1998 ED1
99.60 Withdrawal effective
Aug 9, 2007

REVISED BY

WITHDRAWN
IEC 60079-29-1:2007 ED1

ABANDON
IEC 61779-3 ED2