Standard

NEK IEC TR 60303:1970

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Rettelser og tillegg kjøpes separat.

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The coupler is recommended as a simple and ready means for the exchange of specifications on audiometers and for calibration of earphones used in audiometry, even though the sound pressure developed by an earphone is not, in general, the same in the coupler as in a person's ear. Has the status of a technical report.

Dokumentinformasjon

  • Standard fra NEK
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1.0
  • Versjon: 1
  • Varetype: TR
  • Products.Specs.pages
  • ICS 17.140.50
  • ICS 33.160.50
  • National Committee TC 29

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