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ANSI/ISA 12.13.01-2013
Explosive Atmospheres - Part 29-1: Gas detectors - Performance requirements of detectors for flammable gases
This part of ANSI/ISA-60079-29 specifies general requirements for construction, testing and performance, and describes the test methods that apply to portable, transportable and fixed apparatus for the detection and measurement of flammable gas or vapour concentrations with air. The apparatus, or parts thereof, are intended for use in explosive gas atmospheres (see 3.1.3) and in mines susceptible to firedamp.
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The International Society of Automation [isa]