PCB-378C10

PCB-378C10

  • 1/4 "-ICP® precision microphone for pressure applications,
  • Combination of microphone capsule PCB-377 C-10 and preamp PCB-426 B 03,
  • Sensitivity 1.0 mV / PA,
  • Dynamic range > 174 dB,
  • Frequency range 5 … 70,000 Hz,
  • 10-32 socket
  • As system calibrated
  • basic data
    Nominal diameter of microphone1/4 "
    applicationpressure field
    Sensitivity in the open circuit1.0 mV / PA[2]
    sensitivity in the open circuit (±3 dB)-60 dB in relation to 1 V / PA[2]
    Frequency range (±2 dB)5.0 … 70,000 Hz
    Lower limiting frequency0,75 … 4.0 Hz
    noise (linear)< 60 dB in relation to 20 µPa[4]
    Noise< 53 dB(A) in relation to 20 µPa[5]
    dynamic range (for THD ≤ 3%)> 174 dB in relation to 20 µPa
    Dynamic range (maximum without clipping)> 177 dB in relation to 20 µPa[1]
    TEDS Chipintegrated by default [3]
    Conditions of use
    Temperature range (operation)-40 … 158 °F-40 … 70 °C
    Temperature coefficient of sensitivity (-10 … 70 ° C)0.003 dB / ° F0.006 dB / ° C[6] [2]
    Influence of static pressure-0.003 dB/kPa[6] [6]
    influence by humidity (0 … 100%, non-condensing)-0.0014 … 0,0014 dB/% RH-0.0014 … 0.0014 dB/% RH[2]
    Influence by axial vibration (0.1 g, 1 m/s²)66 dB in relation to 20 µPa[6]
    technical characteristics
    polarization voltage0 V[7]
    Supply20 … 32 V DC
    constant power supply2 … 20 mA
    Bias voltage10 … 14 V DC
    output impedance< 50 Ω
    Maximum output range±8 V pk
    physical properties
    housing materialstainless steel alloy
    Pressureback[8]
    electricPort10-32 socket
    mounting thread (cap)0.25-60 UNS
    size - diameter (with cap) 0.28 in7.1 mm
    size - diameter (without protection cap)0.25 in6.35
    size - height (with cap)2.07 in52.6 mm
    size - height (without protection cap)2.02 in51.3 mm
    mass0.27 oz7.8 grams[6]
    Notes
    [1]peak
    [2]based on 250 Hz
    [3]TEDS memory in accordance with IEEE PP1451. 4
    [4]the linear Noise is about the breadth of the usage (20 … 70,000 Hz).
    [5]is the A weighted noise 20 … 20,000 Hz.
    [6]typically
    [7]Prepolarized
    [8]pressure compensation by the pre
    [9]details: see PCB Declaration of conformance PS076
    Accessories
    ACS-42calibration of a microphone with pre-amplifier-1
    (TLD) provided TEDS store ß IEEE P1451. 4
    equipment
    ACS-63calibration microphone with pre-amplifier-1

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