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UNI EN ISO 3747 : 2011

Current
Current

The latest, up-to-date edition.

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
Published date

01-26-2011

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

PREMESSA
INTRODUZIONE
1 SCOPO E CAMPO DI APPLICAZIONE
2 RIFERIMENTI NORMATIVI
3 TERMINI E DEFINIZIONI
4 AMBIENTE DI PROVA
5 STRUMENTAZIONE E ATTREZZATURA DI MISURAZIONE
6 POSIZIONAMENTO, INSTALLAZIONE E FUNZIONAMENTO DELLA
   SORGENTE DI RUMORE SOTTOPOSTA A PROVA
7 PROCEDIMENTO DI MISURAZIONE
8 CALCOLO DEI LIVELLI DI POTENZA SONORA E DEI LIVELLI
   DI ENERGIA SONORA
9 INCERTEZZA DI MISURAZIONE
10 INFORMAZIONI DA REGISTRARE
11 RAPPORTO DI PROVA
APPENDICE A (normativa) - VALUTAZIONE DELL'ECCESSO DI LIVELLO
            DI PRESSIONE SONORA A UNA DETERMINATA DISTANZA
APPENDICE B (informativa) - LE STESSE POSIZIONI MICROFONICHE
            E ORIENTAMENTI SI DEVONO USARE PER LE MISURAZIONI
            CON LA SORGENTE DI RUMORE SOTTOPOSTA A PROVA, LA
            SORGENTE SONORA DI RIFERIMENTO E IL RUMORE DI FONDO
APPENDICE C (normativa) - LIVELLI DI POTENZA SONORA E LIVELLI
            DI ENERGIA SONORA IN CONDIZIONI METEOROLOGICHE DI
            RIFERIMENTO
APPENDICE D (normativa) - CALCOLO DI LIVELLI DI POTENZA SONORA
            PONDERATI A E LIVELLI DI ENERGIA SONORA PONDERATI
            A DAI LIVELLI DI BANDA DI OTTAVA
APPENDICE E (informativa) - GUIDA ALLO SVILUPPO DELLE INFORMAZIONI
            SULL'INCERTEZZA DI MISURAZIONE
APPENDICE ZA (informativa) - RAPPORTO TRA LA PRESENTE NORMA
             EUROPEA E I REQUISITI ESSENZIALI DELLA DIRETTIVA UE
             2006/42/CE
BIBLIOGRAFIA

Describes a method for determining the sound power level or sound energy level of a noise source by comparing measured sound pressure levels emitted by a noise source (machinery or equipment) mounted in situ in a reverberant environment, with those from a calibrated reference sound source.

Committee
CT 2
DevelopmentNote
Bilingual (Italian + English) version issued in AUGUST 2011. (08/2011)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

UNI TR 11326 : 2009 Acoustics - Evaluation of the uncertainty of measurements and calculations in acoustics - Parte 1: General concepts

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/TS 7849-2:2009 Acoustics — Determination of airborne sound power levels emitted by machinery using vibration measurement — Part 2: Engineering method including determination of the adequate radiation factor
ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment
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/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 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 14257:2001 Acoustics — Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance
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/TS 7849-1:2009 Acoustics — Determination of airborne sound power levels emitted by machinery using vibration measurement — Part 1: Survey method using a fixed radiation factor
ISO 80000-8:2007 Quantities and units Part 8: Acoustics
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 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
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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