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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  09-10-2018

    Language(s):  English

    Published date:  26-02-1999

    Publisher:  National Standards Authority of Ireland

    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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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn
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