ISO 389-9:2009 Preview

Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 9: Preferred test conditions for the determination of reference hearing threshold levels

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

  • Status :  Published
    Publication date : 2009-05
  • Edition : 1
    Number of pages : 9
  • :
    ISO/TC 43
    Acoustics
  • 13.140
    Noise with respect to human beings

Buy this standard

Format Language
PDF
Paper
  • CHF58

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information

Subscribe