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Norm
ISO 3744:1994
Ausgabedatum: 1994 05 05
Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering method in an essentially free field over a reflecting plane
Specifies a method of measurement. Gives requirements for the test environment and instrumentation, as well as techniques for obtaining the surface sound pressure level f...
Weiterlesen
ZURÜCKGEZOGEN
: 2010 09 22
Herausgeber:
International Organization for Standardization
Format:
Digital | 31 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
Specifies a method of measurement. 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 2 accuracy.
ISO 3744:2010
2010 09 22
Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound...
Norm
ISO 3744:1994
1994 05 05
Acoustics — Determination of sound power levels of noise sources using sound pressure — Engineering ...
Norm
↖
ISO 3744:1981
1981 05 01
Acoustics — Determination of sound power levels of noise sources — Engineering methods for free-fiel...
Norm
Norm
ISO 3744:2010
Ausgabedatum :
2010 09 22
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