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UNI EN ISO 3744 : 2010

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 METHODS FOR AN ESSENTIALLY FREE FIELD OVER A REFLECTING PLANE
Published date

11-25-2010

PREMESSA
INTRODUZIONE
1 SCOPO E CAMPO DI APPLICAZIONE
2 RIFERIMENTI NORMATIVI
3 TERMINI E DEFINIZIONI
4 AMBIENTE DI PROVA
5 STRUMENTAZIONE
6 DEFINIZIONE, POSIZIONAMENTO, INSTALLAZIONE E FUNZIONAMENTO
   DELLA SORGENTE DI RUMORE SOTTOPOSTA A PROVA
7 PARALLELEPIPEDO DI RIFERIMENTO E SUPERFICIE DI MISURAZIONE
8 DETERMINAZIONE 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) - PROCEDIMENTI DI QUALIFICAZIONE
            DELL'AMBIENTE ACUSTICO
APPENDICE B (normativa) - POSTAZIONI MICROFONICHE
            SUPPLEMENTARI SULLA SUPERFICIE DI MISURAZIONE
            EMISFERICA
APPENDICE C (normativa) - BATTERIE MICROFONICHE SU UNA
            SUPERFICIE DI MISURAZIONE DI UN PARALLELEPIPEDO
APPENDICE D (normativa) - BATTERIE MICROFONICHE SU UNA
            SUPERFICIE DI MISURAZIONE CILINDRICA
APPENDICE E (normativa) - CALCOLO DI LIVELLI DI POTENZA
            SONORA PONDERATI A E LIVELLI DI ENERGIA SONORA
            PONDERATI A DAI LIVELLI DI BANDA DI FREQUENZA
APPENDICE F (normativa) - UNA BATTERIA MICROFONICA ALTERNATIVA
            SU UNA SUPERFICIE DI MISURAZIONE SEMISFERICA PER
            LE MISURAZIONI DIRETTE DEI LIVELLI DI PRESSIONE
            SONORA PONDERATI A
APPENDICE G (normativa) - LIVELLI DI POTENZA SONORA E LIVELLI
            DI ENERGIA SONORA IN CONDIZIONI METEOROLOGICHE DI
            RIFERIMENTO
APPENDICE H (normativa) - LINEE GUIDA PER LO SVILUPPO DELLE
            INFORMAZIONI SULL'INCERTEZZA DI MISURAZIONE
APPENDICE ZA (normativa) - RAPPORTO TRA LA PRESENTE NORMA
             EUROPEA E I REQUISITI ESSENZIALI DELLA DIRETTIVA
             UE 2006/42/CE
BIBLIOGRAFIA

Describes methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source (machinery or equipment) in an environment that approximates to an acoustic free field near one or more reflecting planes.

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

Standards Relationship
SN EN ISO 3744:2011 Identical
UNE-EN ISO 3744:2011 Identical
BS EN ISO 3744:2010 Identical
ISO 3744:2010 Identical
NF EN ISO 3744 : 2012 Identical
NEN EN ISO 3744 : 2010 Identical
NBN EN ISO 3744 : DEC 2010 Identical
NS EN ISO 3744 : 2010 Identical
EN ISO 3744:2010 Identical
I.S. EN ISO 3744:2010 Identical

UNI 11464 : 2012 SAFETY OF MACHINERY - TRUCK MIXERS - SAFETY REQUIREMENT
UNI 11023 : 2011 SELF LOADING MOBILE MIXERS - SAFETY REQUIREMENTS
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 13472-1:2002 Acoustics Measurement of sound absorption properties of road surfaces in situ Part 1: Extended surface method
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 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 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 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 10534-2:1998 Acoustics — Determination of sound absorption coefficient and impedance in impedance tubes — Part 2: Transfer-function method
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 10534-1:1996 Acoustics Determination of sound absorption coefficient and impedance in impedance tubes Part 1: Method using standing wave ratio
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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