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EVS-EN 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 3746:2010)

General information

Valid from 05.01.2011
Base Documents
ISO 3746:2010; EN ISO 3746:2010
ICS Groups
17.140.01 Acoustic measurements and noise abatement in general
Directives or regulations
2006/42/EC Machinery (MD)

Standard history

Status
Date
Type
Name
05.01.2011
Main
EVS-EN ISO 3746:2010
Main
EVS-EN ISO 3746:2009

ISO 3746 specifies methods for determining the sound power level or sound energy level of noise sources including machinery, equipment and their sub-assemblies. Guidelines to select one of those methods are provided in ISO 3740. The selection depends on the environment of the available test facility and the precision of the sound power level or sound energy level values required.

Ideally, the test source should be mounted on a sound-reflecting plane in a large open space. For sources usually installed on the floor of machine rooms, corrections are defined to account for undesired reflections from nearby objects, walls, and the ceiling, and for the residual background noises that occur there. The sound power level (or sound energy level) produced by the noise source with frequency A-weighting applied is calculated using those measurements.

The text of ISO 3746:2010 has been approved in Europe as EN ISO 3746:2010 without any changes.

Required fields are indicated with *

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PDF
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Standard monitoring
English (PDF 1 MB)

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EVS 842:2003

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EVS-EN 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
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EVS-EN ISO 9614-2:1999

Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning
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Main + corrigendum

EVS-ISO 1996-2:2017

Acoustics – Description, measurement and assessment of environmental noise – Part 2: Determination of sound pressure levels (ISO 1996-2:2017, identical)
Newest version Valid from 01.11.2017

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English