Norm

NEN-EN-ISO 3741:1996 Ontw. en

Akoestiek - Bepaling van geluidvermogenniveaus van geluidbronnen met gebruik van geluiddruk - Precisiemethode voor nagalmkamers

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Over deze norm

Status Ingetrokken
Aantal pagina's 27
Commissie Akoestiek
Gepubliceerd op 01-10-1996
Taal Engels
Specifies a direct method and a comparison method for determining the sound power level produced by a source. It specifies test room requirements, source location and general rules for operating conditions, instrumentation and techniques for obtaining an estimate of mean-square sound pressure level from which the sound power level of the source in octave or one-third-bands is calculated with a grade 1 accuracy. The quantities to be measured are time-averaged sound pressure levels in frequency bands. The quantities to be determined are sound power levels, A-weighted and in frequency bands. Other quantities which are optional are sound power levels with other frequency weightings calculated from the measurements in frequency bands. This standard does not provide the means to determine directivity and temporal variation of sound from a source.

Details

ICS-code 13.110-50
17.140.01
91.120.20
Nederlandse titel Akoestiek - Bepaling van geluidvermogenniveaus van geluidbronnen met gebruik van geluiddruk - Precisiemethode voor nagalmkamers
Engelse titel Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms
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Normatieve verwijzingen
  • 98/37/EG, Machines

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