Acoustics. Reference zero for the calibration of audiometric equipment. Specification for a standard reference zero using an artificial ear complying with BS 4669.
STANDARD published on 29.2.1988
Designation standards: BS 2497-6:1988
Note: WITHDRAWN
Publication date standards: 29.2.1988
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS