• Shopping Cart
    There are no items in your cart
Celebrate World Standards Day. Save 10% with code WSD2026 until 31 Oct. Save now

BS 4009:1991

Superseded

Superseded

View Superseded by

Specification for artificial mastoids for the calibration of bone vibrators used in hearing aids and audiometers

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

02-28-1991

Superseded date

09-30-2008

Superseded by

BS EN 60318-6:2008

US$204.12
Excluding Tax where applicable
Summarise this standard

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Superseded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

⚠

A newer version of this standard is available.

View Current Edition
US$204.12
Excluding Tax where applicable