NFS 31 139 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SOUND CALIBRATORS
01-06-1998
12-01-2013
Specifies the performance requirements for three classes of sound calibrator. Sound calibrators are designed to produce a known effective sound pressure level or levels at a specified frequency or frequencies when coupled to specified models of microphone or specified configurations
| DocumentType |
Projet
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Superseded
|
| SupersededBy |
| NFS 31 010 : 1996 AMD 2 2013 | ACOUSTICS - ENVIRONMENTAL NOISE CHARACTERIZATION AND MEASUREMENT - SPECIAL MEASURING METHODS |
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