1英寸压力场麦克风,外部极化
压力场麦克风特别适合在2.6Hz到8kHz的频率范围内进行耦合器和其他实验室类型的测量。
TYPE 4144
4144型为1"压力场麦克风,即膜片阻尼使压力频率响应在宽频率范围内平坦的麦克风。因此,对于低于 8 kHz 的压力响应,无需校正。
建议使用压力场传声器测量局部压力,例如用于耦合器测量或墙壁或表面的测量。TYPE 4144出色的稳定性,加上其低固有噪声和高灵敏度,使其成为耦合器测量和其他实验室类型测量的完美选择。
•耦合器测量
•测听仪校准
•低频、低电平测量
•实验室标准传声器
| 1-inch Pressure-field Microphone Type 4144 | Data Sheets | English |
| Sound field | Pressure field |
| Polarization voltage | 200V |
| Sensitivity | 50 mV/Pa |
| Lower limiting frequency | 2.6 Hz |
| Higher limiting frequency | 8 kHz |
| Inherent noise | 9.5 dB(A) |
| Upper limiting of dynamic range | 146 dB |
| Diameter | 1 inch |
| Venting | Side |
| Minimum Temperature | -30 °C |
| Maximum Temperature | 100 °C |
| Minimum Temperature | -22 °F |
| Maximum Temperature | 212 °F |
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.
This will bring together HBM, Brüel & Kjær, nCode, ReliaSoft, and Discom brands, helping you innovate faster for a cleaner, healthier, and more productive world.