• I.S. EN ISO 5135:1999

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR-TERMINAL DEVICES, AIR-TERMINAL UNITS, DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  31-03-2021

    Language(s):  English

    Published date:  01-01-1999

    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 Acoustic test facilities and procedure
    5 Installation and operation of equipment to be tested
    6 Auxiliary facilities
    7 Measurements and calculations
    Annex A (informative) Bibliography
    Annex ZA (normative) Normative references to international
             publications with their relevant European
             publications

    Abstract - (Show below) - (Hide below)

    Specifies general rules for the acoustic testing of air-terminal units, dampers and valves used in air diffusion and air distribution systems as defined in ISO 3258 in order to determine sound power levels as detailed in ISO 3740.

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    Development Note Supersedes I.S. EN 25135. (09/2007)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn
    Superseded By
    Supersedes

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

    ISO 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
    ISO 5219:1984 Air distribution and air diffusion Laboratory aerodynamic testing and rating of air terminal devices
    ISO 3258:1976 Air distribution and air diffusion — Vocabulary
    EN 23741 : 1991 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - PRECISION METHODS FOR BROADBAND SOURCES IN REVERBERATION ROOMS
    ISO 3741:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Precision methods for reverberation test rooms
    ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
    ISO 5220:1981 Air distribution and air diffusion Aerodynamic testing and rating of constant and variable dual or single duct boxes and single duct units
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