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    I.S. EN 13821:2002

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    POTENTIALLY EXPLOSIVE ATMOSPHERES - EXPLOSION PREVENTION AND PROTECTION - DETERMINATION OF MINIMUM IGNITION ENERGY OF DUST/AIR MIXTURES

    Available format(s):  Hardcopy, PDF

    Superseded date:  29-10-2017

    Language(s):  English

    Published date:  01-01-2002

    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
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Test apparatus
      4.1 Spark generation circuit
      4.2 Test vessel
    5 Test sample
    6 Test procedure
      6.1 Test description
      6.2 Calibration
      6.3 Conformity
          6.3.1 Conformity tests
          6.3.2 Criteria for conformity
      6.4 Test report
    Annex A (normative) Descriptions of spark generating systems
          A.1 General
          A.2 Triggering by high-voltage relay, using a
              two-electrode system
          A.3 Triggering by electrode movement, using a
              two-electrode system
          A.4 Triggering by auxiliary spark, using 3-electrode
              system
          A.5 Triggering by voltage increase, using two-electrode
              system
          A.6 Triggering by transformer, using two-electrode
              system
          A.7 Example of a test apparatus
    Annex ZA (informative) Clauses of this European Standard
             addressing essential requirements or other provisions
             of EU Directives
    Bibliography

    Abstract - (Show below) - (Hide below)

    Covers a method of test to determine the minimum ignition energy of a dust/air mixture by an electrically-generated spark.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    1994/9/EC : 1994 DIRECTIVE 94/9/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 23 MARCH 1994 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES
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