ISA-SPTAG31L, Electrical Apparatus for the Detection of Flammable Gases
In 2004, the IEC disbanded IEC SC31L, moving its area of coverage to IEC TC31. Therefore, the US Technical Advisory Group for IEC SC31L, which had been administered by ISA, was disbanded at that time. For more information, please contact Eliana Beattie, ISA Standards.
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