Describes an acoustic coupler for loading supra-aural audiometric earphones as specified in ISO 389 with a specified acoustic impedance, when calibrating audiometers, in the frequency range of 125 Hz to 8 000 Hz.
IEC 60318-3 Ed. 1.0 b:1998 History
IEC 60318-3 Ed. 2.0 b:2014
$47.00 $95.00
IEC 60318-3 Ed. 1.0 b:1998
$21.00 $43.00
More Standards PDF
IEC 60297-3-107 Ed. 1.0 b:2012
$139.00 $278.00
IEC 60335-2-41 Ed. 4.0 b:2012
$72.00 $145.00
IEC 61326-1 Ed. 2.0 b:2012
$82.00 $164.00
IEC 61340-4-4 Ed. 2.0 b:2012
$140.00 $281.00