½英寸预极化压力场传声器，5 HZ – 20 KHZ
用于精密耦合腔测量、随机入射和自由场测量的压力场传声器，90°入射，频率范围为5 Hz至20 kHz。
4971 系列
4971 型是一款高温、CCLD 压力场传声器套组，针对 125°C 的测量进行了优化。该传声器非常适合耦合腔测量、随机入射测量和自由场测量（入射角为90°）。
预极化，因此可以与CCLD输入以及经典输入一起使用。它具有宽频率和动态范围，并且对变化的环境条件极其不易受影响。
| CCLD Pressure-field ½-inch Microphone Type 4971-H-041 | Data Sheets | English |
| Standard | IEC 61094 |
| Sound field | Pressure field |
| Polarization | CCLD |
| Sensitivity | 12 mV/Pa |
| Lower frequency | 10 Hz |
| Higher frequency | 20 kHz |
| Lower dynamic range | 20 dB |
| Higher dynamic range | 146 dB |
| Diameter | 1/2 inch |
| Venting | Rear |
| Minimum Temperature | -20 °C |
| Maximum Temperature | 125 °C |
| Minimum Temperature | -4 °F |
| Maximum Temperature | 257 °F |
| Output signal (connectivity) | Passive |
The microphone cartridge and preamplifier are sealed together and are considered as one unit with a single type and serial number stored in the TEDS chip.
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.
