The RA0038 is for use in the acoustical measurements of insert type hearing aids and earphones. To avoid possibly damaging the microphone, the RA0038 can be used with a microphone fitted with its protection grid.
The RA0038 is also part of the G.R.A.S. 43AB Artificial Ear.
|Coupler volume||2 ccm|
|Temperature range, operation||°C / °F||0|
|Humidity range non condensing||% RH||0 to 95|
|IEC standard||60318-5 (former 60126)|
|CE/RoHS compliant/WEEE registered||Yes/Yes, Yes|
|Weight||g / oz||50 / 1.76|