1英寸压力场传声器，外部极化
压力场传声器特别适合用于耦合腔和其他实验室类型测量，频率范围为2.6 Hz至8 kHz。
4144 型
4144型是一款1英寸压力场传声器，即振膜的阻尼使得压力频率响应在宽频率范围内保持平直。因此，在8 kHz以下的压力响应无需校正。
当需要测量局部声压时，建议使用压力场传声器，例如用于耦合腔测量或在墙壁或表面进行测量。4144型的卓越稳定性，加上其低本底噪声和高灵敏度，使其成为耦合腔测量和其他实验室类型测量的完美选择。
• 耦合腔测量
• 听力计校准
• 低频、低声级测量
• 4160型-实验室标准传声器
| 1-inch Pressure-field Microphone Type 4144 | 數據表 | 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.