GRAS 43AC-S1 CCP 仿真耳治具，符合 IEC 60318-4 标准

连接：0 V/CCP
Volume: 1260 @ 500 Hz
动态范围：25 dB(A) - 150 dB
ANSI: S3.7
IEC: 60318-4

GRAS 43AC-S1 CCP 仿真耳治具符合 IEC 60318-4 标准，带 TEDS，是一个完整的测试夹具，用于对通过导管和耳模等插入物连接到耳朵上的耳机进行声学测量。

Technology

 The GRAS 43AC-S1 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:

  • IEC 60318-4: Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts.

The 43AC-S1 comprises:

The Test Jig has an adjustable spring-loaded arm to exert a variable force on the test object.
Click GRAS RA0045-S1 for more information about the RA0045-S1 Ear Simulator.

An externally polarized version is available, GRAS 43AC.

TEDS Compatibility

43AC-S1 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 (±2 dB)
mV/Pa
12
Set sensitivity @ 250 Hz (±2 dB)
dB re 1V/Pa
-38.5
Coupler volume
mm³
1260 @ 500 Hz
Resonance frequency
kHz
13.5
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 75
ANSI standard
S3.7
IEC standard
60318-4 (former 60711)
CE/RoHS compliant/WEEE registered
Yes/Yes/Yes
Connector type
Microdot 10/32
Weight
g / oz
1.55 / 54.675

Ordering info

Optional Items

GRAS RA0196 High-tension springs (set of two)

GRAS Sound & Vibration 保留更改规格和配件的权利，恕不另行通知。