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I.S. EN ISO 9614-3:2009

Current
Current

The latest, up-to-date edition.

ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES USING SOUND INTENSITY - PART 3: PRECISION METHOD FOR MEASUREMENT BY SCANNING
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2009

Publisher

National Standards Authority of Ireland

Preview

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.

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Acoustic environment
6 Instrumentation
7 Installation and operation of the source
8 Measurement of normal sound intensity component levels
9 Determination of sound power level
10 Information to be recorded
Annex A (informative) List of symbols used in this part of ISO 9614
Annex B (normative) Calculation of field indicators
Annex C (normative) Procedure for achieving the desired accuracy
Annex D (informative) Effects of airflow on measurement of sound
        intensity
Annex E (informative) Effect of sound absorption within the
        measurement surface
Annex F (informative) Measurement surface and scanning procedure
Annex G (informative) Procedure for obtaining time-averaged
        intensities and squared pressures from a sequence of
        short-time averaged intensities and squared pressures
Annex H (informative) Normalization of sound power level
Annex I (informative) Field indicators used in ISO 9614-1,
        ISO 9614-2 and ISO 9614-3
Annex ZA (informative) Relationship between this European Standard
         and the Essential Requirements of EU Directive 98/37/EC
Annex ZB (informative) Relationship between this European Standard
         and the Essential Requirements of EU Directive 2006/42/EC
Bibliography

Defines a method for measuring the component of sound intensity normal to a measurement surface which is chosen so as to enclose the sound source(s) of which the sound power level is to be determined.

DocumentType
Standard
Pages
52
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
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
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/IEC Guide 98:1993 Guide to the expression of uncertainty in measurement (GUM)
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
IEC 61043:1993 Electroacoustics - Instruments for the measurement of sound intensity - Measurements with pairs of pressure sensing microphones
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 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 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
ISO/TR 7849:1987 Acoustics Estimation of airborne noise emitted by machinery using vibration measurement
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 3745:2012 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
IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
IEC 60651:1979+AMD1:1993+AMD2:2000 CSV Sound level meters
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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PDF - English
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