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Explosive atmospheres - Part 20-2: Material characteristics - Combustible dusts test methods
ISO/IEC 80079-20-2:2016 is published as a dual logo standard and describes the test methods for the identification of combustible dust and combustible dust layers in order to permit classification of areas where such materials exist for the purpose of the proper selection and installation of electrical and mechanical equipment for use in the presence of combustible dust.
The standard atmospheric conditions for determination of characteristics of combustible dusts are:
The test methods defined do not apply to:
This first edition cancels and replaces the first edition of IEC 61241-2-1 published in 1994, the first edition of IEC 61241-2-2 published in 1993, and the first edition of IEC 61241-2-3 published in 1994, combining the requirements into a single document, and is considered to constitute a technical revision.
Significant changes with respect to IEC 61241-2-1:1994, IEC 61241-2-2:1993, and IEC 61241-2-3:1994 can be found in the foreword of the document.
Keywords: combustible dust
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