GRAS

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

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Key Features

  • Dynamic Range: 25 dB(A) – 150 dB
  • Polarization Connection: 0 V / CCP
  • Standard: ANSI S3.7, IEC 60318-1, IEC 60318-2
  • Interface: BNC


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43AA-S2 CCP Ear Simulator Kit According to 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.

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:

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

Key Specifications

Theoretical dynamic range lower limit with GRAS preamplifier 25 dB(A)
Theoretical dynamic range upper limit with GRAS CCP preamplifier 150 dB
Set sensitivity @ 250 Hz (±3 dB) 12 mV/Pa
Set sensitivity @ 250 Hz (±3 dB) -38.5 dB re 1V/Pa
Temperature range, operation - 30 to 60 °C / -22 to 140 °F
Temperature coefficient @250 Hz - 0.01 dB/°C / -0.006 dB/°F
Humidity range non condensing 0 to 80 % RH
ANSI standard S3.7
ITU-T recommendations P.57 Type 1
Connector type BNC
Weight 1.65 g / 58.202 oz

Specifications from the official GRAS product sheet. Please refer to the attached datasheet for full details.

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