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

STANDARD published on 7.5.2009

English -
electronic design (pdf) (103.40 USD)

English -

Print design (103.40 USD)

French -

electronic design (pdf) (103.40 USD)

French -

Print design (103.40 USD)

The information about the standard:

Designation standards: ISO 389-9:2009
Publication date standards: 7.5.2009
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: International technical standard
Category: Technical standards ISO