GRAS RA0252 1/4” 0.4cc High Frequency Coupler

Volume: 0.4cc
IEC: 60318-8
Use: For hearing aid test up to 16 kHz

GRAS RA0252  is a1/4” 0.4cc High freq Coupler for testing of hearing aids at frequencies up to 16 kHz.

Technology

GRAS RA0252 is a 1/4” 0.4cc High freq Coupler for testing of hearing aids at frequencies up to 16 kHz.

It is used in the GRAS 43BA-1 1/4" 0.4cc High Frequency Coupler Kit, GRAS 43BA-2 1/4" 0.4cc CCP High Frequency Coupler Kit and GRAS 43BA-3 1/4" 0.4cc CCP High Frequency Coupler Kit, High Sensitivity.

The RA0252 is the coupler delivered as a separate part, i.e. without microphone, ear mold and tube adapters.

Specifications

Coupler volume
mm³
0.4 ccm