1/2 "-high temperature microphones

1/2"-high temperature microphones

Pre-polarized measuring microphones are usually used at temperatures up to 120 °C, however, the working temperature range was limited so far by the temperature resistance of of amplifier to 60 °C or 80 °C. The microphones shown here from PCB Piezotronics consist of a microphone capsule and a downstream high-temperature amplifier. These combinations can be used at temperatures between-40 °C and 120 °C. They are ideal for acoustic investigations of gears, brakes or turbines and engines.

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PCB-HT378B02
1

PCB-HT378B02

  • 1/2 "-ICP® precision microphone for free-field applications,
  • Combination of microphone capsule 377B02 and pre-amplifier HT426E01,
  • Operating temperature up to 120 ° C,
  • Sensitivity 50 mV / PA,
  • Dynamic range > 137 dB,
  • Frequency range 3.5 … 20,000 Hz,
  • BNC connector,
  • As system calibrated
    PCB-HT378C20
    0

    PCB-HT378C20

  • 1/2 "-ICP® precision microphone for diffuse field applications,
  • Combination of microphone capsule 377 B 20 and pre HT426E01,
  • Operating temperature up to 120 ° C,
  • Sensitivity 50 mV / PA,
  • Dynamic range > 137 dB,
  • Frequency range 3.5 … 16,000 Hz,
  • BNC connector,
  • As system calibrated
      • PCB-377B26
      0

      PCB-377B26

    • ICP® probe microphone,
    • Sensitivity 2.15 mV / PA,
    • Dynamic range > 164 dB,
    • Frequency range 2 … 20,000 Hz,
    • BNC connector,
    • Including tools, probes and transport case
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