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BS 7135-1

1989 Edition, August 31, 1989

Complete Document

Noise Emitted by Computer and Business Equipment Part 1: Method of Measurement of Airborne Noise

Includes all amendments and changes through Amendment 1, April 1, 1992


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Detail Summary

Superseded By: BS EN ISO 7779

EN
Additional Comments:
W/D S/S BY BS EN ISO 7779
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Product Details:

  • Revision: 1989 Edition, August 31, 1989
  • Published Date: April 1, 1992
  • Status: Superseded By:
  • Superseded By: BS EN ISO 7779
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 46
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Methods for determining the A-weighted sound power levels based on measurements in reverberant rooms or in free-field conditions over a reflecting plane, and A-weighted sound pressure levels at the operator or bystander positions.