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    I.S. EN 24869-3:1994

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    ACOUSTICS - HEARING PROTECTORS - SIMPLIFIED METHOD FOR THE MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS FOR QUALITY INSPECTION PURPOSES

    Available format(s):  Hardcopy, PDF

    Superseded date:  03-08-2007

    Language(s):  English

    Published date:  01-01-1994

    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)

    Cooperating organizations
    National foreword
    Brief history
    Method
    1. Scope
    2. Normative references
    3. Definitions
    4. Principle
    5. Measurement of the insertion loss of ear muffs
    6. Measurement of application force
    7. Reporting of data
    Annex
    A. (informative) The acoustic test fixture used as a
         directional microphone
    Tables
    1. Random incidence field requirements
    A.1 Front-to-random sensitivity index
    Figures
    1. Example of an acoustic test fixture
    2. Example of a test site arrangement (acoustic tunnel)
    National annexes
    NA (informative) Committees responsible
    NB (informative) Cross-references

    Abstract - (Show below) - (Hide below)

    Specifies a method for measuring the insertion loss of ear-muff type hearing protectors for quality inspection purposes.

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

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    Status Superseded
    Superseded By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