Standard

NEK IEC 61012:1990

Published

Corrigendums and amendments are bought separately.

Language
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Abstract

This standard specifies the electrical characteristics of a U-weighting filter mainly for use with sound level meters meeting the requirements of IEC 651 for the measurement of audible sound in the presence of ultrasound.

Document information

  • Standard from NEK
  • Published:
  • Edition: 1.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 17.140.01
  • National Committee NEK/NK29