I.S. EN 50281-2-1:1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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.
Dates of withdrawal of national standards are available from NSAI.
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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.
| DocumentType |
Standard
|
| Pages |
32
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| Standards | Relationship |
| UNE-EN 50281-2-1:1999 | Identical |
| NF EN 50281-2-1 : 2000 | Identical |
| DIN EN 50281-2-1 : 1999 | Identical |
| NEN EN 50281-2-1 : 1998 C1 1999 | Identical |
| EN 50281-2-1 : 98 COR 99 | Identical |
| BS EN 50281-2-1:1999 | Identical |
| SN EN 50281-2-1 : 1998 | Identical |
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