专家解读视频
Deals with the specification of an ear simulator covering the frequency band 20 Hz to 10000 Hz, and is meant for calibration of the supra-aural earphones used in audiometry and telephonometry applied to the ear without accoustical leakage.
SS EN 60318-1 Ed. 1 (1999) - Identical
UNE EN 60318-1:2000 - Identical
NF EN 60318-1:1998 - Identical
DIN EN 60318-1 (1999-09) - Identical
BS EN 60318-1:1998 - Identical
SN EN 60318-1:1998 - Identical
