I.S. EN ISO 3741:2010
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 REVERBERATION TEST ROOMS
Hardcopy , PDF
English
01-01-2010
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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Reference meteorological conditions
5 Reverberation test room
6 Instrumentation and measurement equipment
7 Definition, location, installation, and operation of
noise source under test
8 Measurements in the reverberation test room
9 Determination of sound power levels and sound energy levels
10 Measurement uncertainty
11 Information to be recorded
12 Test report
Annex A (informative) - Guidelines for the design of
reverberation test rooms
Annex B (informative) - Guidelines for the design of rotating
diffusing vanes
Annex C (normative) - Reverberation test room qualification
procedure for the measurement of broad-band sound
Annex D (normative) - Reverberation test room qualification
procedure for the measurement of discrete-frequency
components
Annex E (informative) - Extension of frequency range to
frequencies below 100 Hz
Annex F (normative) - Calculation of octave band sound
power levels and sound energy levels, A-weighted
sound power levels and A-weighted sound energy
levels from one-third-octave band levels
Annex G (informative) - Guidelines on the development of
information on measurement uncertainty
Bibliography
Annex ZA (informative) - Relationship between this European
Standard and the Essential Requirements of EU
Directive 2006/42/EC
Defines methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured in a reverberation test room.
| DocumentType |
Standard
|
| Pages |
75
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| UNI EN ISO 3741 : 2010 | Identical |
| UNE-EN ISO 3741:2011 | Identical |
| BS EN ISO 3741:2009 | Identical |
| SN EN ISO 3741:2011 | Identical |
| NS EN ISO 3741 : 2010 | Identical |
| NBN EN ISO 3741 : 2010 | Identical |
| NEN EN ISO 3741 : 2010 | Identical |
| DIN EN ISO 3741:2011-01 | Identical |
| NF EN ISO 3741 : 2012 | Identical |
| ISO 3741:2010 | Identical |
| EN ISO 3741:2010 | Identical |
| 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 |
| 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 |
| ISO 354:2003 | Acoustics — Measurement of sound absorption in a reverberation room |
| 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 3382-2:2008 | Acoustics Measurement of room acoustic parameters Part 2: Reverberation time in ordinary 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/TR 25417:2007 | Acoustics Definitions of basic quantities and terms |
| 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 9296:2017 | Acoustics — Declared noise emission values of information technology and telecommunications equipment |
| 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 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 |
| ISO 9295:2015 | Acoustics Determination of high-frequency sound power levels emitted by machinery and equipment |
| 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 6926:2016 | Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels |
| 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 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 |
| 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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