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 microphone 1/2 "
    application free-field
    Sensitivity in the open circuit 5.8 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 range 0.13 … 20,000 Hz
    lower limiting frequency (-3 dB) < 0,1 Hz
    Noise 23 dB in relation to 20 µPa [3]
    noise 20 dB(A) in relation to 20 µPa [3]
    range > 134 dB in relation to 20 µPa
    TEDS Chip integrated by default [2]
    conditions
    temperature range (operation) -40 … 176 ° F -40 … 80 ° C
    Temperature coefficient of sensitivity 0,005 dB/°F F 0.009 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 vibration 63 dB in relation to 20 µPa [3]
    technical characteristics
    polarization voltage 0 V [4]
    supply 20 … 30 V DC
    constant power supply 2 … 20 mA
    Bias voltage 10 … 14 V DC
    maximum Output range ±7 V pk
    output impedance < 50 Ω
    -physical Properties
    housing material stainless steel alloy
    pressure back [5]
    electric Connection BNC socket
    Mounting thread (preamplifier) 0,5 - 60 UNS
    size - diameter (with cap) 0.52 in 13.2 mm
    Size - diameter 0.50 in 12.7 mm
    Size - height (with cap) 4.29 in 109.0 mm
    size - height (without protection cap) 4.25 in 108.0 mm
    Mass 1.63 oz 45.8 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
    079A43 low frequency adapter -1
    ACS-42Calibration of a microphone with pre-amplifier -1
    (TLD) TEDS memory in accordance with IEEE P1451. 4
    Accessories
    ACS-63 calibration of a microphone with Vorverstä stronger -1
    PCB-378A07

    Specific References

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    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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