BS 4009:1991
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for artificial mastoids for the calibration of bone vibrators used in hearing aids and audiometers
Available format(s)
Hardcopy , PDF
Superseded date
30-09-2008
Superseded by
Language(s)
English
Published date
28-02-1991
Publisher
Basic features for objective calibration.
Committee |
EPL/29
|
DevelopmentNote |
Also numbered as IEC 60373 Supersedes 82/31185 DC and BS 4009(1975) (07/2005)
|
DocumentType |
Standard
|
Pages |
14
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
Standards | Relationship |
IEC 60373:1990 | Identical |
PD 6545:2005 | Intended use of human head and ear simulators-guide |
BS 6083-10:1988 | Hearing aids Guide to hearing aid standards |
BS 6950:1988 | Specification for a standard reference zero for the calibration of pure tone bone conduction audiometers |
BS 6083-9:1986 | Hearing aids Methods for measurement of characteristics of hearing aids with bone vibrator output |
BS 3593:1963 | Recommendation on preferred frequencies for acoustical measurements |
BS 5966:1980 | Specification for audiometers |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.