½-INCH PRESSURE-FIELD MICROPHONE, PREPOLARIZED, 5 HZ – 20 KHZ
Pressure-field microphone for precision coupler measurements, random incidence, and free-field measurements with 90°C incidence over a frequency range of 5 Hz to 20 kHz.
TYPE 4971
Type 4971 is a high temperature, CCLD pressure-field microphone set optimized for measurements in 125°C. The microphone is ideal for coupler measurements, random incidence measurements and free-field measurements with 90° incidence.
Being prepolarized, it can be used with CCLD input as well as classical input. It has wide frequency and dynamic range and is highly immune to changing environmental conditions.
File |
Description |
Type |
Languages |
Size |
---|---|---|---|---|
Prepolarized Pressure-field ½-inch Microphone Cartridge Type 4971 | Technical Document | English | 440 KB |
Standard | IEC 61094 |
Sound field | Pressure field |
Polarization voltage | 0V |
Sensitivity [mV/Pa] | 12.5 mV/Pa |
Lower limiting frequency | 5 Hz |
Higher limiting frequency | 20 kHz |
Inherent noise | 18.6 dB(A) |
Upper limiting of dynamic range | 162 dB |
Diameter | 1/2 inch |
Venting | Rear |
Minimum Temperature [°C] | -30 °C |
Maximum Temperature [°C] | 150 °C |
Minimum Temperature [°F] | -22 °F |
Maximum Temperature [°F] | 302 °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.
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.