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IEC 60079-29-4:2009 ED1

Explosive atmospheres - Part 29-4: Gas detectors - Performance requirements of open path detectors for flammable gases
10 nën 2009

General information

99.60     27 nën 2025

IEC

TC 31

International Standard

29.260.20  

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Scope

IEC 60079-29-4:2009 specifies performance requirements of equipment for the detection and measuring of flammable gases or vapours in ambient air by measuring the spectral absorption by the gases or vapours over extended optical paths, ranging typically from one meter to a few kilometres. Such equipment measures the integral concentration of the absorbing gas over the optical path in units such as LFL meter for flammable gases. This standard supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard shall take precedence. The contents of the corrigendum of August 2010 have been included in this copy.

Life cycle

NOW

WITHDRAWN
IEC 60079-29-4:2009 ED1
99.60 Withdrawal effective
27 nën 2025

CORRIGENDA / AMENDMENTS

WITHDRAWN
IEC 60079-29-4:2009/COR1:2010 ED1

REVISED BY

PUBLISHED
IEC 60079-29-0:2025 ED1

National adoptions

SSH IEC 60079-29-4:2009  
DPS

Atmosfera shpërthyese - Pjesa 29-4: Detektorët e gazit - Kërkesat e performancës për funksionimin e detektorëve me kalim të hapur të gazeve të djegshëm

60.60 Standard published

DPS/KT 6 më tepër