<强>½英寸压力场麦克风，预极化，5赫兹–20赫兹
压力场麦克风，用于精密耦合器测量、Random入射和在 5 Hz 至 20 kHz 频率范围内进行 90℃ 入射的自由场测量。
TYPE 4971
4971型是a 高温， CCLD压力场麦克风组，专为在 125℃测量而优化。麦克风是耦合器测量、Random入射测量和90°入射自由场测量的理想选择。
预极化，可与CCLD输入以及经典输入一起使用。它具有宽频率和动态范围，并且对不断变化的环境条件具有高度免疫力。
| 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.
