
Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
NORM herausgegeben am 1.2.1997
Designation standards: ÖNORM EN ISO 389-2
Publication date standards: 1.2.1997
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM
Diese ÖNORM legt äquivalente Bezugs-Schwellenschalldruckpegel zur Kalibrierung von Reinton-Audiometern fest.