PCB-378B11

PCB-378B11

  • 1/2 "-ICP® precision microphone for pressure applications,
  • Combination of microphone capsule PCB-377 B 11 / preamp PCB-426E01,
  • Sensitivity 50 mV / PA,
  • Dynamic range > 135 dB,
  • Frequency range 3.75 … 10,000 Hz,
  • BNC connector,
  • As system calibrated
  • basic data
    Nominal diameter of microphone1/2 "
    applicationpressure field
    Sensitivity in the open circuit50 mV / PA[3]
    sensitivity in the open circuit (±1. 5 dB)-26 dB in relation to 1 V / PA[3]
    Frequency range (± 1 dB)7.0 … 7,500 Hz
    (±2 dB) frequency range3.75 … 10,000 Hz
    lower limiting frequency (-3 dB)1.0 … 3.0 Hz
    Noise (linear)< 20 dB in relation to 20 µPa
    noise< 16.5 dB(A) in relation to 20 µPa
    Dynamic range (for THD ≤ 3%)> 135 dB in relation to 20 µPa
    dynamic range (maximum without clipping)138 dB in relation to 20 µPa[1] [2]
    TEDS Chipintegrated by default[4]
    conditions
    temperature range(Operation)-40 … 176 ° F-40 … 80 ° C
    Temperature coefficient of sensitivity (-10 … 70 ° C)0,004 dB/°F0.009 dB / ° C[1] [3]
    influence of static pressure-0.013 dB/kPa[1]
    influence by humidity (0 … 100%, non-condensing)-0.01 … 0.01 dB/% RH[3]
    influence by axial Vibration (0.1 g, 1 m/s²)66 dB in relation to 20 µPa[1]
    technical characteristics
    polarization voltage0 V[5]
    Supply voltage20 … 30 V DC
    constant power supply2 … 20 mA
    Bias voltage10 … 14 V DC
    Output impedance< 50 Ω
    maximum output range±7 V pk
    Physical properties
    housing materialstainlessAlloy
    pressureback[6]
    electrical connectionBNC-Plug
    Mounting thread (cap)0,5 - 60 UNS
    Size - diameter (with cap)0.52 in13.2 mm
    size - diameter (without protection cap)0.50 in 12.7 mm
    size - height (with cap)3.62 in91.9 mm
    size - height (without protection cap)3.58 in90.9 mm
    mass1.63 oz45.8 g[1]
    notes
    [1]typically
    [2] Peak
    [3]based on 250 Hz
    [4]TEDS memory in accordance with IEEE PP1451. 4
    [5]Prepolarized
    [6]pressure compensation by the pre
    [7]Details: See PCBs Declaration of conformance PS064
    Accessories
    ACS-42calibration of Microphone with pre-amplifier-1
    (TLD) TEDS memory in accordance with IEEE P1451. 4
    Accessories
    ACS-63Calibration of a microphone with pre-amplifier-1

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