I.S. EN 23742:1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES - PRECISION METHOD FOR DISCRETE-FREQUENCY AND NARROW-BAND SOURCES IN REVERBERATION ROOMS
Hardcopy , PDF
03-07-2002
English
07-08-1992
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Specifies in detail two laboratory methods for determining the sound power of small sources using a reverberation test room.
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