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ANSI/ASA S12.43

1997 Edition, January 27, 1997

Complete Document

American National Standard Methods for Measurement of Sound Emitted by Machinery and Equipment at Workstations and Other Specified Positions

Includes all amendments and changes through Reaffirmation Notice , September 29, 2017


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Product Details:

  • Revision: 1997 Edition, January 27, 1997
  • Published Date: September 29, 2017
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Acoustical Society of America (ASA)
  • Page Count: 37
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This Standard provides three methods to measure sound pressure levels from all types of machinery and equipment at workstations and other specified positions. The first method applies to measurements in an essentially free field over a reflecting plane. These sound pressure levels are, in general, equal to or lower than those that would occur when the machine is operated in its normal surroundings as the effects of background noise or reflections from surfaces other than the mounting surface are excluded. The second method applies to measurements in normal operating environments where the effects of background noise and reflections from surfaces surrounding the machine are accounted for in the measurements. The third method is a survey method of measurement for sound sources operating in their normal environments when lessaccurate measurements are acceptable.