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½"" low-noise microphone system Type 4955
4955型低噪TEDS传声器包括一个高灵敏度½英寸盒，已针对最低固有噪声对其进行了优化。
使用场景
- 声功率测量
- 低声级测量
- 驾驶室内测量
- 强磁场中的测量
- 国土安全应用
- Capacitance
- pF
- Diameter
- 1/2
- Dyn. range
- 6.5 – 110 dB
- Freq. range
- 10 – 16000 Hz
- Inherent noise
- 6.5 dB A
- Lower limiting frequency -3dB
- 10 Hz
- Optimised
- Low Noise
- Polarization
- Ext polarized
- Polarization voltages
- 200 V
- Pressure coefficient
- -0.013 dB/kPa
- Sensitivity
- 1100 mV/Pa
- Temperature coefficient
- -0.01 dB/ºC
- Temperature range
- -20 – 100 ℃
- Venting
- Front
- Weight
- 34 gram
- Sound field
- Free-field
- Input type
- Classic
- Microphone type
- Low Noise
