Standard

NEK HD 590 S1:1991

Withdrawn

Corrigendums and amendments are bought separately.

Language
Services

Abstract

Specifies requirements for mechanical couplers used for calibrating bone-conduction audiometers and for making measurements on bone vibrators and bone-conduction hearing aids in the frequency range from 125 Hz to 8 000 Hz inclusive.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • National Committee NEK/NK29

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