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BS 4009:1975 | 31 Jul 1975 | BSI Knowledge
Standard
Withdrawn
BS 4009:1975
Specification for an artificial mastoid for the calibration of bone vibrators used in hearing aids and audiometers
Published:
31 Jul 1975
•
Withdrawn:
28 Feb 1991
Overview
Preview
References
History
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Product Details
Descriptors
Damping
Butyl rubber
Artificial mastoids
Design
Acoustic equipment
Audiometers
Circuits
Hearing aids
Transducers
Synthetic rubber
Calibration
Mechanical properties of materials
Silicone rubber
ICS Codes
13.140 Noise with respect to human beings
17.140.50 Electroacoustics
Committee
EPL/29
International relationships
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ISBN
0 580 08853 7
Publisher
BSI