Description
Specifications
| Parameter | Value |
|---|---|
| Sound Field Type | Pressure field |
| Dimensions | 1/2inch |
| Earphone Type | 助听器测试专用 |
| Frequency Response | 20Hz – 60kHz ± 0.2dB |
| Coupler Volume | 2cc |
| Distortion | ＜0.1% |
| Operating Current | Typical4mA |
| Dynamic Range | 22dB（A）-135dB（1000 Hz THD<3%） |
| Connector Type | BNC |
| Noise Floor | 22dB（A） |
| Applicable Temperature | -20°C to 60°C |
| Sensitivity | 50mV (-26.0dB) ± 2dB |
| Length | 28mm |
| Standard | / |
| Connector | BNC |
| Operating Temperature | -20°C to 60°C |
| Relative Humidity | 10- 90% no condensation |
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 |
