G.R.A.S. 43AB 1/2'' 2cc Coupler Kit According to IEC 60318-5

Connection: 200 V/LEMO
Volume: 2 cc
Dyn range: 25 dB(A) to 164 dB
ANSI: S3.7 Type 2
IEC: 60318-5
  • 43AB 1/2'' 2cc Coupler Kit IEC 60318-5

The G.R.A.S. 43AB Artificial Ear is a complete test-jig for acoustical measurements on hearing aids.

The 43AB comprises:

The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.

Theoretical dynamic range lower limit with G.R.A.S. preamplifier dB(A) 25
Theoretical dynamic range upper limit with G.R.A.S. preamplifier @ +28 V / ±14 V power supply dB 153
Theoretical dynamic range upper limit with G.R.A.S. preamplifier @ +120 V / ±60 V power supply dB 164
Set sensitivity @ 250 Hz (±2 dB) mV/Pa 12
Set sensitivity @ 250 Hz (±2 dB) dB re 1V/Pa -38.5
Coupler volume 2 ccm
Temperature range, operation °C / °F - 30 to 60 / -22 to 140
Temperature coefficient @250 Hz dB/°C / dB/°F -0.01 / - 0.006
Humidity range non condensing % RH 0 to 80
ANSI standard S3.7 Type 2 (HA-1, HA-2)
IEC standard 60318-5 (former 60126)
ITU-T recommondations P.380
CE/RoHS compliant/WEEE registered Yes/Yes/Yes
Connector type 3 m 7-pin LEMO
Weight g / oz 1.55 / 54.675

Included

G.R.A.S. RA0038 IEC 126 2 cc Coupler
  Tube adapters
G.R.A.S. 40AG ½" Pressure Microphone, Wide Frequency
G.R.A.S. 26AC ¼" Preamplifier
G.R.A.S. RA0052 Test Jig

Optional

G.R.A.S. 12AK Power Module
G.R.A.S. 42AA Pistonphone

Miscellaneous

G.R.A.S. RA0196 High-tension springs (set of two)