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  • BS ISO 27327-2:2014

    Current The latest, up-to-date edition.

    Fans. Air curtain units Laboratory methods of testing for sound power

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  31-03-2014

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms, definitions, symbols and units
    4 Limitations on use
    5 Measurement uncertainty
    6 Instrumentation
    7 Test procedure
    8 Acoustic environment
    9 Air curtain unit installation conditions
    10 Air curtain unit operating conditions
    11 Test setup
    12 Information to be recorded
    13 Calculations and evaluations
    14 Test report
    Annex A (normative) - Effect of
            rotational speed changes
    Annex B (normative) - Uncertainty analysis
    Annex C (normative) - Calibration of
            reference sound source
    Annex D (informative) - Filter weighted
            measurements
    Annex E (normative) - Room qualification
            for sound sources with broadband sound
    Annex F (informative) - Room qualification
            for sound sources with pure tones/narrow-band
            sound
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the determination of the acoustic performance of air curtain units.

    Scope - (Show below) - (Hide below)

    This part of ISO27327 deals with the determination of the acoustic performance of air curtain units. In addition, it can be used to determine the acoustic performance of air curtain units combined with an ancillary device.

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

    Committee MCE/17
    Development Note Supersedes 12/30257842 DC. (03/2014)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    ISO 2204:1979 Acoustics Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings
    ISO 13348:2007 Industrial fans — Tolerances, methods of conversion and technical data presentation
    ISO 3743-2:1994 Acoustics Determination of sound power levels of noise sources using sound pressure Engineering methods for small, movable sources in reverberant fields Part 2: Methods for special reverberation test rooms
    ISO 266:1997 Acoustics — Preferred frequencies
    ISO 3747:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering/survey methods for use in situ in a reverberant environment
    ISO 3740:2000 Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards
    IEC 60704-2-7:1997 Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-7: Particular requirements for fans
    ISO 5801:2017 Fans — Performance testing using standardized airways
    ISO 13347-2:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 2: Reverberant room method
    ISO 6926:2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
    ISO 10302-1:2011 Acoustics — Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices — Part 1: Airborne noise measurement
    ISO 80000-1:2009 Quantities and units — Part 1: General
    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 13347-1:2004 Industrial fans — Determination of fan sound power levels under standardized laboratory conditions — Part 1: General overview
    ISO 7235:2003 Acoustics — Laboratory measurement procedures for ducted silencers and air-terminal units — Insertion loss, flow noise and total pressure loss
    ISO 3743-1:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for small movable sources in reverberant fields Part 1: Comparison method for a hard-walled test room
    ISO 27327-1:2009 Fans — Air curtain units — Part 1: Laboratory methods of testing for aerodynamic performance rating
    ISO 13349:2010 Fans — Vocabulary and definitions of categories
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