IEC 60318-5 : 1.0现行
ELECTROACOUSTICS - SIMULATORS OF HUMAN HEAD AND EAR - PART 5: 2 CM[3] COUPLER FOR THE MEASUREMENT OF HEARING AIDS AND EARPHONES COUPLED TO THE EAR BY MEANS OF EAR INSERTS
出版：International Electrotechnical Committee
专家解读视频
Defines an acoustic coupler for loading an earphone or hearing aid with a specified acoustic impedance when determining its physical performance characteristics, in the frequency range 125 Hz to 8 kHz.
GOST R IEC 60318-5 : 2010 - Identical
DS EN 60318-5 : 2006 - Identical
PN EN 60318-5 : 2009 - Identical
CEI EN 60318-5 : 2007 - Identical
NEN EN IEC 60318-5 : 2006 - Identical
I.S. EN 60318-5:2006 - Identical
SAC GB/T 25498.5 : 2017 - Identical
BS EN 60318-5 : 2006 - Identical
