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Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.
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STANDARD published on 1.6.2018
Designation standards: DIN EN ISO 389-1:2018-06
Publication date standards: 1.6.2018
SKU: NS-844991
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: German technical standard
Category: Technical standards DIN
Akustik - Standard-Bezugspegel für die Kalibrierung audiometrischer Geräte - Teil 1: Äquivalente Bezugs-Schwellenschalldruckpegel für reine Töne und supra-aurale Kopfhörer.
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