Norm

NEN-EN-ISO 3746:1995 en

Akoestiek - Bepaling van geluidvermogenniveaus van geluidbronnen - Globale methode met gebruik van een omhullend meetoppervlak boven een reflecterend oppervlak

  • Deze norm is ingetrokken sinds 12-08-2009

114,67

Over deze norm

Status Ingetrokken
Aantal pagina's 27
Commissie Elektro-akoestiek en ultrageluid
Gepubliceerd op 01-09-1995
Taal Engels
Specifies a method for measuring the sound pressure levels on a measurement surface enveloping the source and for calculating the sound power level produced by the source. It gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level from which the sound power level of the source is calculated leading to results which have a grade 3 accuracy. This Standard is concerned with specification of the basic acoustic requirements for the measurement of noise output of a source located near one or more reflecting plane(s). It is important that specific noise test codes for various types of equipment be established and used according to this Standard. For each type of equipment such noise codes will give detailed requirements on mounting, loading and operating conditions for the equipment under test as well as a selection of the measurement surface and the microphone array as prescribed in this Standard.

Details

ICS-code 13.110-50
17.140.01
Nederlandse titel Akoestiek - Bepaling van geluidvermogenniveaus van geluidbronnen - Globale methode met gebruik van een omhullend meetoppervlak boven een reflecterend oppervlak
Engelse titel Acoustics - Determination of sound power levels of noise sources - Survey method using an enveloping measurement surface over a reflecting plane
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  • GMB, Geluidsemissie materieel buitenshuis

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