ISO 9614-2:1996 Preview
Acoustics -- Determination of sound power levels of noise sources using sound intensity -- Part 2: Measurement by scanning
This standard was last reviewed and confirmed* in 2013.
*Therefore this version remains current
Specifies a method for measuring the component of sound intensity normal to a measurement surface which is chosen so as to enclose the noise source(s) of which the sound power level is to be determined.