IEC 60318-3 : 2.0現行
ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 3: ACOUSTIC COUPLER FOR THE CALIBRATION OF SUPRA-AURAL EARPHONES USED IN AUDIOMETRY
出版：International Electrotechnical Committee
專家解讀視頻
Describes an acoustic coupler for the measurement of supra-aural audiometric earphones in the frequency range from 125 Hz to 8000 Hz.
BS EN 60318-3 : 2015 - Identical
PN EN 60318-3 : 2015 - Identical
DIN EN 60318-3 : 2015 - Identical
DS EN 60318-3 : 2015 - Identical
CEI EN 60318-3 : 2016 - Identical
NEN EN IEC 60318-3 : 2015 - Identical
I.S. EN 60318-3:2015 - Identical
