GRAS 43AA-S2 CCP Ear Simulator Kit According to IEC 60318-1 & -2

Connection: 0 V/CCP
Volume: Complex
Dyn range: 25 dB(A) to 150 dB
ANSI: S3.7
IEC: 60318-1 & -2

The GRAS 43AA-S2 CCP Ear Simulator Kit with TEDSis a complete test jig for acoustical measurements on telephone handsets and earphones. It includes an IEC 60318 Ear Simulator RA0039 which is individually calibrated according to the ITU-T Recommendation P.57 (08/96) ”Series P: Telephone transmission quality, objective measuring apparatus: artificial ears.

Technology

The GRAS 43AA-S2 CCP Ear Simulator Kit according to IEC 60318-1 & -2 is a complete test jig for acoustical measurements on telephone handsets and earphones in accordance with:

  • IEC60318-1 & -2 Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supraaural earphones, 1998-07
  • ITU-T Recommendation P.57 (08/96) Series P: Telephone transmission Quality, Objective measuring apparatus: Artificial Ears

It consists of the following components:

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

An externally polarized version is available, GRAS 43AA.

A version with a GRAS 26AB. Preamplifier is available, GRAS 43AA-S3.

TEDS Compatibility

43AA-S2 is IEEE 1451.4 TEDS v. 1.0 compliant. If your measurement platform supports Transducer Electronic Data Sheets (TEDS), you will be able to read and write data like properties and calibration data.

 

 

Specifications

Theoretical dynamic range lower limit with GRAS preamplifier
dB(A)
25
Theoretical dynamic range upper limit with GRAS CCP preamplifier
dB
150
Set sensitivity @ 250 Hz (±3 dB)
mV/Pa
12
Set sensitivity @ 250 Hz (±3 dB)
dB re 1V/Pa
-38.5
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
ITU-T recommondations
P.57 Type 1
CE/RoHS compliant/WEEE registered
Yes/Yes/Yes
Connector type
BNC
Weight
g / oz
1.65 / 58.202

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.

Ordering info

Included items

GRAS AA0070

3 m Microdot - BNC Cable

Optional items

GRAS RA0196 Retrofit High-tension Spring Kit for RA0052 (for previous versions (before summer 2014))

GRAS Sound & Vibration reserves the right to change specifications and accessories without notice.