UL - 60079-29-1 (ND)
National Differences For Explosive Atmospheres – Part 29-1: Gas Detectors – Performance Requirements of Detectors for Flammable Gases
|Publication Date:||31 May 2019|
This document provides a single listing of the technical National Differences included in the UL adoption of the corresponding IEC standard.
In its IEC-based standards, UL uses the notations indicated below to identify national difference type, and these types are additionally noted in this document. The standard may not use all types of these deviations.