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Document History

  1. DIN EN ISO 389-1


    Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017); German version EN ISO 389-1:2018

    • Most Recent
  2. DIN EN ISO 389-1 - DRAFT


    Draft Document - Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent treshold sound pressure levels for pure tones and supra-aural earphones (ISO/DIS 389-1:2016); German version prEN ISO 389-1:2016

    • Historical Version
  3. DIN EN ISO 389-1

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    Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent treshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:1998); English version of DIN EN ISO 389-1

    • Historical Version