I.S. EN 50281-2-1:1999
Withdrawn
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ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - TEST METHODS - METHODS OF DETERMINING MINIMUM IGNITION TEMPERATURES
Hardcopy , PDF
09-10-2018
English
26-02-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Method A: dust layer on a heated surface at a
constant temperature
4.1 Preparation of dust sample
4.2 Test apparatus
4.3 Procedure
4.4 Test acceptance criteria
4.5 Reporting of results
4.6 Application of results
5 Method B: dust cloud in a furnace at a constant
temperature
5.1 Preparation of dust sample
5.2 Test apparatus
5.3 Procedure
5.4 Air pressure
5.5 Criterion for ignition
5.6 Minimum ignition temperature of a dust cloud
5.7 Reporting of results
Annex A (normative) Method A: Construction of a heated
surface and measurement of temperature
distribution on the surface
Annex B (normative) Construction of a constant temperature
furnace
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