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I.S. EN 50281-2-1:1999

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

Available format(s)

Hardcopy , PDF

Withdrawn date

09-10-2018

Language(s)

English

Published date

26-02-1999

Preview

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£54.77
Excluding VAT

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Withdrawn

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