NF EN 50281-2-1 : 2000
Current
The latest, up-to-date edition.
ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 2-1: TEST METHODS - METHODS FOR DETERMINING THE MINIMUM IGNITION TEMPERATURES OF DUST
12-01-2013
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
Defines two test methods for determining the minimum ignition temperatures of dust for the purpose of selecting electrical apparatus for use in the presence of combustible dust in accordance with EN 50281-1-2:1998 and constructed in accordance with EN 50281-1-1:1998. Not suitable for use with substances having explosive properties.
| DevelopmentNote |
Indice de Classement: C23581-2-1
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 50281-2-1:1999 | Identical |
| UNE-EN 50281-2-1:1999 | Identical |
| DIN EN 50281-2-1 : 1999 | Identical |
| I.S. EN 50281-2-1:1999 | Identical |
| EN 50281-2-1 : 98 COR 99 | Identical |
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