I.S. EN ISO 389-3:2016
Current
The latest, up-to-date edition.
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 3: REFERENCE EQUIVALENT THRESHOLD VIBRATORY FORCE LEVELS FOR PURE TONES AND BONE VIBRATORS (ISO 389-3:2016)
Hardcopy , PDF
English
01-01-2016
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National Foreword
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Reference equivalent threshold vibratory
force levels (RETVFL)
5 Test conditions and requirements
Annex A (informative) - Note on the derivation of
RETVFL values
Annex B (informative) - Guidance on the application
of the reference zero to the calibration of bone-conduction
audiometers
Annex C (informative) - Differences in reference equivalent
threshold vibratory force levels between forehead and
mastoid location of vibrator
Annex D (informative) - Bone-conduction threshold of hearing
for frequencies below 250 Hz
Bibliography
Important note : All end users must be registered with an Account prior to user licenses being assigned.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.