PCB-378C01

PCB-378C01

  • 1/4 "-ICP® precision microphone for free-field applications,
  • Combination of microphone capsule PCB-377 C-01 and preamp PCB-426 B 03,
  • Sensitivity 2.0 mV / PA,
  • Dynamic range > 162 dB,
  • Frequency range 4 … 100,000 Hz,
  • 10-32 socket
  • As system calibrated
  • basic data
    Nominal diameter of microphone1/4 "
    applicationfree-field
    Sensitivity in the open circuit2.0 mV / PA[3]
    sensitivity in the open circuit (±3. 0 dB)-54 dB in relation to 1 V / PA[3]
    Frequency range (± 1 dB)7 … 12,500 Hz
    (±2 dB) frequency range5 … 80,000 Hz
    frequency range (± 3 dB)4 … 100,000 Hz
    Lower limiting frequency (3)0,75 … 4.0 Hz
    noise (linear)< 53 dB in relation to 20 µPa[5]
    Inherent noise< 45 dB(A) in relation to 20 µPa[6]
    dynamic range (for THD ≤ 3%)> 162 dB in relation to 20 µPa
    dynamic range (maximum without clipping) 165 dB in relation to 20 µPa[1] [2]
    TEDS Chipby defaultintegrated[4]
    conditions
    temperature range (operation)-40 … 158 °F-40 … 70 °C
    Temperature coefficient of sensitivity (-10 … 70 ° C)0.003 dB / ° F0.006 dB / ° C[1] [3]
    influence of static pressure-0.005 dB/kPa[1]
    Influence by humidity (0 … 100%, non-condensing)-0.0014 … 0,0014 dB/% RH-0.0014 … 0.0014 dB/% RH
    influence by axial vibration (0.1 g, 1 m/s²)60 dB in relation to 20 µPa[1]
    technical characteristics
    polarization voltage0 V[7]
    power supply20 … 32 V DC
    constant power supply2 … 20 mA
    Output impedance< 50 Ω
    maximum output range±8 V pk
    physical properties
    housing materialStainless steel alloy
    Pressureback[8]
    electrical connection10-32 socket
    Mounting thread (cap)0.25-60 UNS
    size - diameter (with cap)0.28 in7.1 mm
    size -. Diameter (without protection cap)0.256.35
    size - height (with cap)2.07 in52.6 mm
    size - Hö He (without protection cap)2.02 in51.3 mm
    mass0.27 oz7.8 grams[1]
    notes
    [1]typically
    [2]peak
    [3]based on 250 Hz
    [4]TEDS memory in accordance with IEEE PP1451. 4
    [5]the linear noise is about the breadth of the usage (20 … 100,000 Hz).
    [6]is the A weighted noise20 … 20,000 Hz.
    [7]Prepolarized
    [8]pressure compensation by the pre
    [9]Details: see PCBs Declaration of conformance PS076
    Accessories
    ACS-42 Calibration of a 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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