PCB-378A13

PCB-378A13

  • 1/2 "-ICP® precision microphone for pressure applications,
  • Combination of microphone capsule PCB 377A13 and preamp PCB-426E01,
  • Sensitivity 12.6 mV / PA,
  • Dynamic range > 147 dB,
  • Frequency range 4 … 20,000 Hz,
  • BNC connector,
  • As system calibrated
  • basic data
    Nominal diameter of microphone1/2 "
    applicationpressure field
    Sensitivity in the open circuit12.5 mV / PA[3]
    the open circuit sensitivity-38 dB in relation to 1 V / PA[3]
    Frequency range (±2 dB)4 … 20,000 Hz
    lower limiting frequency (3)1.0 … 3.0 Hz
    noise (linear) < 28 dB in relation to 20 µPa
    noise< 23 dB(A) in relation to 20 µPa
    dynamic range (for THD ≤ 3%)> 147 dB in relation to 20 µPa
    Dynamic range (maximum without clipping)148 dB in relation to 20 µPa[1] [2]
    TEDS Chipintegrates by default[4]
    conditions
    temperature range (operation)-40 … 176 ° F-40 … 80 ° C
    temperature coefficientTemperature coefficient of sensitivity (-10 … 70 ° C)0,004 dB/°F0,008 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]
    supply20 … 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
    parts usematerialstainless alloy
    pressurisedrear[6]
    electrical connectionBNC-Plug
    mounting thread (cap)0,5 - 60 UNS
    Size - diameter (with cap)0.52 at13.2 mm
    Size - diameter (without protection cap)0.50 in12.7
    size - height (with cap)3.50 in88.9 mm
    Size - height (without protection cap)3.46 in87.9 mm
    weight1.58 oz44.5 grams[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 PCB Declaration ofConformance PS064
    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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