
Specification for a reference zero for the calibration of pure-tone audiometers. Data for a wide-band artificial ear complying with BS 4669.
STANDARD published on 28.6.1972
Designation standards: BS 2497-3:1972
Note: WITHDRAWN
Publication date standards: 28.6.1972
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: British technical standard
Category: Technical standards BS