We use cookies to make our websites more user-friendly and to continuously improve them. If you continue to use the website, you consent to the use of cookies. You can find more information in our privacy statement and our cookie guidelines.

Dear Customer

Our Customer Service will be available again as of 2 January 2025. 

Please note that new registrations and requests to be processed manually will only be processed from this point onwards.

You can of course place orders and receive downloads online at any time.

We wish you happy holidays, a peaceful time and a healthy New Year!

Your DIN Media

Standards Worldwide
Standards Worldwide
Phone +49 30 58885700-07

Standard [CURRENT]

ISO 389-9:2009-05

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

German title
Akustik - Standard-Bezugspegel für die Kalibrierung audiometrischer Geräte - Teil 9: Vorzugs-Messbedingungen zur Bestimmung von Bezugs-Hörschwellenpegeln
Publication date
2009-05
Original language
English
Pages
9

from 70.10 EUR VAT included

from 65.51 EUR VAT excluded

Format and language options

PDF download

  • 70.10 EUR

  • 70.10 EUR

Shipment (3-5 working days)

  • 79.40 EUR

  • 79.40 EUR

Monitor with the Standards Ticker

This option is only available after login.
Easily subscribe: Save time and money now!

You can also subscribe to this document - together with other important standards in your industry. This makes your work easier and pays for itself after a short time.

Sparschwein_data
Subscription advantages
Sparschwein Vorteil 1_data

Important standards for your industry, regularly updated

Sparschwein Vorteil 2_data

Much cheaper than buying individually

Sparschwein Vorteil 3_data

Useful functions: Filters, version comparison and more

Publication date
2009-05
Original language
English
Pages
9

Product information on this site:

Quick delivery via download or delivery service

Buy securely with a credit card or pay upon receipt of invoice

All transactions are encrypted

Cooperation at DIN

Loading recommended items...
Loading recommended items...
Loading recommended items...
Loading recommended items...