ISO 389-2:1994
Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
OVERVIEW
Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.
COMMENTS
-
PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1994 |
| No. of Pages | 7 |
| ICS Classification | 13.140 Noise with respect to human beings |
| Committee | ISO/TC 43 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |