Customer Service:
Mon - Fri: 8:30 am - 6 pm EST
Back
Standards PDF Cover Page preview

 Historical

ANSI/ASA S3.1-1999 (R2013)

Maximum Permissible Ambient Noise Levels for Audiometric Test Rooms

Specifies maximum permissible ambient noise levels (MPANLs) allowed in an audiometric test room that produce negligible masking (<2 dB) of test signals presented at reference equivalent threshold levels specified in ANSI S3.6-1996. The MPANLs are specified from 125 to 8000 Hz in octave and one-third octave band intervals for two audiometric testing conditions (ears covered and ears not covered) and for three test frequency ranges (125 to 8000 Hz, 250 to 8000 Hz, and 500 to 8000 Hz).

Available for Subscriptions

Content Provider
Acoustical Society of America [asa]

Others Also Bought

ANSI/ASA S3.6-2010
Specification for Audiometers
Add to cart
ANSI/ASA S12.2-2008
Criteria for Evaluating Room Noise
Add to cart
ANSI/ASA S3.21-2004 (R2009)
Methods for Manual Pure-Tone Threshold Audiometry
Add to cart
Document History
We have no document history for this standard.
Included in Packages
This standard is not included in any packages.
Amendments & Corrections
We have no amendments or corrections for this standard.
ANSI Logo

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

Useful Links
CUSTOMER SERVICE
NEW YORK OFFICE
ANSI HEADQUARTERS
2024 © American National Standards Institute (ANSI) All Rights Reserved.