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  • DIN EN ISO 3745:2017-10

    Current The latest, up-to-date edition.

    ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS (ISO 3745:2012 + AMD 1:2017)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2017

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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

    National foreword
    National Annex NA (informative) - Bibliography
    European foreword
    European foreword to Amendment 1
    Foreword to Amendment 1
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Reference meteorological conditions
    5 Test rms
    6 Instrumentation
    7 Definition, location, installation and operation of noise
       source under test
    8 Measurement surface
    9 Determination of sound power levels and sound energy levels
    10 Measurement uncertainty
    11 Information to be recorded
    12 Test report
    Annex A (normative) - General procedures for qualification
            of anechoic and hemi-anechoic rooms
    Annex B (normative) - Qualification procedure for spaces
            within test rooms used in the determination of sound
            power levels and sound energy levels of specific noise
            sources
    Annex C (normative) - Calculation of A-weighted sound
            power levels and A-weighted sound energy levels from
            one-third-octave band levels
    Annex D (normative) - Array of microphone positions on a
            spherical measurement surface in a free field
    Annex E (normative) - Arrays of microphone positions on a
            hemispherical measurement surface in a hemi-free field
    Annex F (normative) - Coaxial circular paths of microphones
            on a hemispherical measurement surface in a hemi-free
            field
    Annex G (normative) - Meridional paths of microphones on
            a hemispherical measurement surface in a hemi-free field
    Annex H (normative) - Spiral paths of microphones on a
            hemispherical measurement surface in a hemifree field
    Annex I (informative) - Guidance on the development of
            information on measurement uncertainty
    Annex ZA (informative) - Relationship between this European
             Standard and the Essential Requirements of
             EU Directive 2006/42/EC
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines methods for measuring the sound pressure levels on a measurement surface enveloping a noise source (machinery or equipment) in an anechoic room or a hemi-anechoic room.

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

    Development Note Partially supersedes DIN 45635-1 E. (10/2004)
    Document Type Standard
    Publisher German Institute for Standardisation (Deutsches Institut für Normung)
    Status Current

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

    ISO 7574-2:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 2: Methods for stated values for individual machines
    DIN EN 61183:1994-12 ELECTROACOUSTICS - RANDOM-INCIDENCE AND DIFFUSE-FIELD CALIBRATION OF SOUND LEVEL METERS
    DIN EN 61260:2003-03 ELECTROACOUSTICS - OCTAVE-BAND AND FRACTIONAL-OCTAVE-BAND FILTERS
    ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment
    IEC 61183:1994 Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters
    ISO 12001:1996 Acoustics Noise emitted by machinery and equipment Rules for the drafting and presentation of a noise test code
    ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
    DIN EN 61672-1:2014-07 ELECTROACOUSTICS - SOUND LEVEL METERS - PART 1: SPECIFICATIONS (IEC 61672-1:2013)
    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 7574-4:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 4: Methods for stated values for batches of machines
    ISO 9614-1:1993 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
    IEC 60942:2003 Electroacoustics - Sound calibrators
    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
    ISO 140-3:1995 Acoustics — Measurement of sound insulation in buildings and of building elements — Part 3: Laboratory measurements of airborne sound insulation of building elements
    ISO 9613-1:1993 Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere
    ISO 9614-2:1996 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2: Measurement by scanning
    ISO 7574-1:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 1: General considerations and definitions
    ISO 80000-8:2007 Quantities and units Part 8: Acoustics
    DIN EN ISO 4871:2009-11 Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996)
    ISO 3746:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane
    DIN EN 27574-2:1989-03 ACOUSTICS; STATISTICAL METHODS FOR DETERMINING AND VERIFYING STATED NOISE EMISSION VALUES OF MACHINERY AND EQUIPMENT; PART 2: METHODS FOR STATED VALUES FOR INDIVIDUAL MACHINES
    DIN EN 27574-3:1989-03 ACOUSTICS; STATISTICAL METHODS FOR DETERMINING AND VERIFYING STATED NOISE EMISSION VALUES OF MACHINERY AND EQUIPMENT; PART 3: SIMPLE (TRANSITION) METHOD FOR STATED VALUES FOR BATCHES OF MACHINES
    ISO 11690-1:1996 Acoustics Recommended practice for the design of low-noise workplaces containing machinery Part 1: Noise control strategies
    ISO 6926:2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
    DIN EN 60942:2004-05 ELECTROACOUSTICS - SOUND CALIBRATORS
    ISO 9614-3:2002 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 3: Precision method for measurement by scanning
    ISO 7574-3:1985 Acoustics — Statistical methods for determining and verifying stated noise emission values of machinery and equipment — Part 3: Simple (transition) method for stated values for batches of machines
    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
    IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
    DIN EN 27574-1:1989-03 ACOUSTICS; STATISTICAL METHODS FOR DETERMINING AND VERIFYING STATED NOISE EMISSION VALUES OF MACHINERY AND EQUIPMENT; PART 1: GENERAL CONSIDERATIONS AND DEFINITIONS
    ISO 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
    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
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