UNE-EN ISO 389-2:1997

ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).

NORM herausgegeben am 4.2.1997

The information about the standard:

Designation standards: UNE-EN ISO 389-2:1997
Publication date standards: 4.2.1997
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE