The GRAS 43AC-S5 Ear Simulator Kit with TEDS is a complete test-jig for high-frequency measurements up to 20 kHz on earphones coupled to the ear by inserts such as tubes and ear moulds.
Technology
The GRAS 43AC-S5 Ear Simulator Kit is a complete test jig for acoustically testing earphones coupled to the ear via inserts such as tubes and ear moulds and complies with the following international requirements:
43AC-S5 uses the RA0402 High Resolution Ear Simulator which extends the useful frequency range to 20 kHz. Read more abot the RA0402 here.
The 43AC-S5 comprises:
-
GRAS RA0402 Prepolarized High Resolution Ear Simulator
-
GRAS 40AO 1/2" Pressure Microphone (included in RA0402)
-
GRAS 26CB 1/4" Preamplifier
-
GRAS RA0001 Right-angled Adapter
-
GRAS RA0052 Test Jig
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 43AC-S4.
TEDS Compatibility
43AC-S5 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
| Parameter |
Unit |
Value |
| Theoretical lower dynamic range |
dB(A) |
25 |
| Theoretical upper dynamic range at +28 V / ±14 V |
dB |
153 |
| Sensitivity @ 250 Hz (±2 dB) |
mV/Pa |
12 |
| Sensitivity @ 250 Hz (±2 dB) |
dB re 1 V/Pa |
-38.5 |
| Coupler volume |
mm³ |
1260 @ 500 Hz |
| Resonance frequency |
kHz |
13.5 |
| Operating temperature range |
°C / °F |
-30 – 60 / -22 – 140 |
| Temperature coefficient @250 Hz |
dB/°C / dB/°F |
-0.01 / -0.006 |
| Non-condensing humidity range |
% RH |
0 – 75 |
| ANSI standard |
|
S3.7 |
| IEC standard |
|
60318-4 (formerly 60711) |
| CE / RoHS / WEEE compliance |
|
Yes / Yes / Yes |
| Connector type |
|
Microdot 10/32 |
| Weight |
g / oz |
1550 / 54.675 |
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Typical frequency response for RA0402
