BS EN ISO 389-8:2004

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones.

NORMA vydaná dňa 8.6.2004

The information about the standard:

Designation standards: BS EN ISO 389-8:2004
Publication date standards: 8.6.2004
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Kategória: Technické normy BS