IEC 60079-29-0 Ed. 1.0 b:2025

Current Revision

Explosive atmospheres - Part 29-0: Gas detection equipment - General requirements and test methods

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IEC 60079-29-0 Ed. 1.0 b:2025

Name: IEC 60079-29-0 Ed. 1.0 b:2025 – Explosive atmospheres - Part 29-0: Gas detection equipment - General requirements and test methods
Brand: International Electrotechnical Commission
SKU: IEC 60079-29-0 Ed. 1.0 b:2025
Price: 512.05 USD
Availability: InStock

Explosive atmospheres - Part 29-0: Gas detection equipment - General requirements and test methods

IEC 60079-29-0:2025 specifies general requirements, test methods and acceptance criteria that apply to flammable, oxygen and toxic gas detection equipment intended to detect gases and vapours and to provide an indication, alarm or other output function for personnel or property protection in industrial and commercial applications.

This document applies to the following gas detection equipment:

Gas detection equipment Type "FL" intended for the detection of flammable gases:
- Type FL-Group I, in mines susceptible to firedamp;
- Type FL-Group II, in locations other than mines susceptible to firedamp; and
- Type FL-OP, open path gas detection equipment for flammable gases.
Gas detection equipment Type "O2" intended for the detection of Oxygen:
- Type O2-DE, detection of oxygen deficiency or oxygen enrichment; and
- Type O2-IN, inertisation as measuring function for explosion protection.
Gas detection equipment Type "TX" intended for the detection of toxic gases:
- Type TX-SM, detection in areas for safety monitoring applications and typically using alarm signalling;
- Type TX-HM, occupational exposure measurement in the region of occupational exposure limit values; and
- Type TX-OP, open path gas detection equipment for toxic gases.

This document is not applicable to equipment:

used for medical applications;
used only in laboratories for analysis or measurement;
used only for process monitoring or control purposes (such as a gas analyser);
used in the domestic environment;
used in environmental air pollution monitoring;
used for flue gas analysis;
used for sampling systems external to the gas detection equipment;
with samplers and concentrators such as sorbents or paper tape having an irreversible indication;
consisting of a passive optical receiver without a dedicated optical source;
equipment within the scope of IEC 60335-2-40 and IEC 60335-2-89.

This first edition of IEC 60079-29-0 cancels and replaces the second edition of 60079-29-1 published in 2016 and its Amendment 1:2020, and the first edition of IEC 60079-29-4 published in 2009. In addition, IEC 60079-29-0 Type TX-SM cancels and replaces Type SM of the first edition of IEC 62990-1.