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EN 61779-4:2000

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 EN 61779-4:2000

Publication date:   Jan 22, 2004

General information

99.60 Withdrawal effective   Nov 1, 2010

CENELEC

CLC/TC 31 Electrical apparatus for potentially explosive atmospheres

European Norm

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 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). 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).

Related legislation

Legislation related to this standard

94/9/EC

Equipment and protective systems intended for use in potentially explosive atmospheres (ATEX)

Harmonized/Supporting
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Life cycle

PREVIOUSLY

WITHDRAWN
EN 50057:1998

NOW

WITHDRAWN
EN 61779-4:2000
99.60 Withdrawal effective
Nov 1, 2010

REVISED BY

WITHDRAWN
EN 60079-29-1:2007

Relations

Adopted from IEC 61779-4:1998 MODIFIED