International Standard
ISO 389-9:2009
Acoustics — Reference zero for the calibration of audiometric equipment — Part 9: Preferred test conditions for the determination of reference hearing threshold levels
Reference number
ISO 389-9:2009
Edition 1
2009-05
International Standard
Read sample
ISO 389-9:2009
35251
Published (Edition 1, 2009)
This standard was last reviewed and confirmed in 2020. Therefore this version remains current.

ISO 389-9:2009

ISO 389-9:2009
35251
Language
Format
CHF 63
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Abstract

ISO 389-9:2009 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.

General information

  •  : Published
     : 2009-05
    : International Standard confirmed [90.93]
  •  : 1
     : 9
  • ISO/TC 43
    13.140 
  • RSS updates

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This standard contributes to the following Sustainable Development Goal

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