PCB-378A07
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      PCB-378A07

    • 1/2 "-ICP® precision microphone for free-field applications,
    • Suitable for Infraschallmessungen,
    • Combination of microphone capsule PCB 377A07 and preamp PCB-426E01,
    • Sensitivity 5.8 mV / PA,
    • Dynamic range > 134 dB,
    • Frequency range 0.1 … 20,000 Hz,
    • BNC connector,
    • As system calibrated
    • basic data
      Nominal diameter of microphone1/2 "
      applicationfree-field
      Sensitivity in the open circuit5.8 mV / PA[1]
      sensitivity in the open circuit (±1. 5 dB)-44.7 dB in relation to 1 V / PA[1]
      Frequency range (± 1 dB)0.25 … 10,000 Hz
      (±2 dB) frequency range0.13 … 20,000 Hz
      lower limiting frequency (-3 dB)< 0,1 Hz
      Noise23 dB in relation to 20 µPa[3]
      noise20 dB(A) in relation to 20 µPa[3]
      range> 134 dB in relation to 20 µPa
      TEDS Chipintegrated by default[2]
      conditions
      temperature range (operation)-40 … 176 ° F-40 … 80 ° C
      Temperature coefficient of sensitivity0,005 dB/°F F0.009 dB / ° C[1] [3]
      influence of static pressure-0.01 dB/kPa[1] [3]
      Humidity coefficient of sensitivity± 0.001 dB/% RH[1]
      influence by axial vibration63 dB in relation to 20 µPa[3]
      technical characteristics
      polarization voltage0 V[4]
      supply20 … 30 V DC
      constant power supply2 … 20 mA
      Bias voltage10 … 14 V DC
      maximum Output range±7 V pk
      output impedance< 50 Ω
      -physical Properties
      housing materialstainless steel alloy
      pressureback[5]
      electric ConnectionBNC socket
      Mounting thread (preamplifier)0,5 - 60 UNS
      size - diameter (with cap)0.52 in13.2 mm
      Size - diameter0.50 in12.7 mm
      Size - height (with cap)4.29 in109.0 mm
      size - height (without protection cap)4.25 in108.0 mm
      Mass1.63 oz45.8 grams[3]
      indications
      [1]based on 250 Hz
      [2] TEDS memory in accordance with IEEE PP1451. 4
      [3]typically
      [4]Prepolarized
      [5]pressure compensation by the pre
      [6]details: see PCB Declaration of Conformance PS064
      equipment
      079A43low frequency adapter-1
      ACS-42Calibration of a microphone with pre-amplifier-1
      (TLD) TEDS memory in accordance with IEEE P1451. 4
      Accessories
      ACS-63calibration of a microphone with Vorverstä stronger-1
      PCB-378A07

      Specific References

      Download

      378A07_drawing.PDF

      Technical drawing

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      378A07_manual.PDF

      Operating instructions

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      378A07_specs.PDF

      Technical data sheet

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