Standard

NEK EN 60118-4:1998

Tilbaketrukket

Merknad: Denne standarden har en ny utgave: NEK EN 60118-4:2015

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Applies to audio-frequency induction loop systems producing an alternating magnetic field and intended to provide an input signal for hearing aids operating with an induction pick-up coil. Specifies a standard value of magnetic field strength in audio-frequency induction loops for hearing aid purposes, such as will give an adequate signal-to-noise ratio without overloading the hearing aid.

Dokumentinformasjon

  • Standard fra NEK
  • Publisert:
  • Tilbaketrukket:
  • Utgave: 1
  • Versjon: 1
  • Varetype: NAT
  • ICS 17.140.50
  • National Committee NEK/NK29

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