HomeProductsSensorsEar simulatorHearing Aid Testing, Pressure, 2cc

C 312+M 677+A 815

Hearing Aid Testing, Pressure, 2cc
C 312+M 677+A 815 Acoustic coupling chamber kit for acoustic measurement of hearing AIDS and headphones. It is compatible with 1" and 1/2" microphones for use. In accordance with IEC 60318-5 requirements for 2cm³ acoustic coupling cavity.
With MegaSig PM 0083 and other IEPE signal conditioning to achieve the best test results.

Specifications

Specifications

Types of Acoustic Fields	Pressure Field
Polarization voltages	0V（Prepolarized）
Frequency range	10Hz – 16kHz ± 3dB 20Hz – 10kHz ± 2dB 20Hz – 7.5kHz ± 1dB
Dynamic range	22dB（A）- 135dB（1000 Hz THD<3%）
Background noise	22dB（A）
Sensitivity mV/Pa(dBV/Pa)	50mV (-26.0dB) ± 2dB
Power Supply	2mA - 10mA（typical 4mA）
Pressure Equalization Method	Post-equalization
Connection	BNC
Temperature range, operation	-20℃ to 60℃
Temperature range, storage	Temperature：25℃±5℃，Humidity：50%±15%RH（Ensure the long-term stability of the sensor）
Humidity range non condensing	10 - 90% without condensation
Materials	Stainless steel
coupling cavity volume	2cm³