ANSI/ASA S3.21 : 2004(R2019)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
AMERICAN NATIONAL STANDARD Methods for Manual Pure-Tone Threshold Audiometry
Hardcopy , PDF
19-08-2023
English
12-04-2019
Pure-tone threshold audiometry is the procedure used in the assessment of an individual’s threshold of hearing for pure tones.
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.