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Type 4971-H-041

TYPE 4971

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.

Code Standard Sound field Polarization Sensitivity Freq. range (low) Freq. range (high) Dyn. range (low) Dyn. range (high) Diameter Venting Lower operating temperature Higher operating temperature Lower operating temperature Higher operating temperature Output signal (connectivity)
-4971-H-041- IEC 61094 Pressure field CCLD 12 mV/Pa 10 Hz 20 kHz 20 dB 146 dB 1/2 inch Rear -20 °C 125 °C -4 °F 257 °F Passive

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.

  • Precision coupler measurements
  • Precision-grade sound level meters
  • General, random-incidence measurements
  • Free-field measurements with 90° incidence 

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