Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Sale! 
View larger
View larger ISO 389-9:2009 (R2014)
New product
ISO 389-9:2009 (R2014)
Acoustics — Reference zero for the calibration of audiometric equipment — Part 9: Preferred test conditions for the determination of reference hearing threshold levelsMore info
| Author | ISO/TC 43 Acoustics |
|---|---|
| Editor | ISO |
| Document type | Standard |
| Format | Paper |
| Confirmation date | 2014-12-15 |
| Edition | 1 |
| ICS | 13.140 : Noise with respect to human beings |
| Number of pages | 9 |
| Weight(kg.) | 0.1153 |
| Year | 2009 |
| Country | Switzerland |