PCB-377A07
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PCB-377A07

  • Prepolarized 1/2 "precision microphone for free-field applications,
  • Suitable for Infraschallmessungen,
  • Sensitivity 50 mV / PA,
  • Dynamic range > 145 dB,
  • Frequency range 0.07 … 20,000 Hz
  • basic data
    Nominal diameter of microphone 1/2 "
    application free-field
    Sensitivity in the open circuit 50 mV / PA [2]
    sensitivity in the open circuit (±1. 5 dB) -26 dB in relation to 1 V / PA [2]
    Frequency range (± 1 dB) 0.1 … 10,000 Hz
    (±2 dB) frequency range 0.07 … 20,000 Hz
    lower limiting frequency (-3 dB) 0.01 … 0.05 Hz
    Resonance frequency 10,400 Hz [1]
    noise 15 dB in relation to 20 µPa [1]
    noise 14.5 dB(A) in relation to 20 µPa [1]
    range > 145 dB in relation to 20 µPa
    microphone type in accordance with IEC 61094-4 WS2F
    Conditions of use
    Temperature range (operation) -40 … 248 ° F -40 … 120 ° C
    Temperature coefficient of sensitivity 0,005 dB/°F 0.009 dB / ° C [2] [1]
    influence of static pressure -0.01 dB/kPa [2] [1]
    Humidity coefficient of sensitivity ±0, 001 dB/% RH [2]
    influence by axial vibration 63 dB in relation to 20 µPa [1 ]
    Technical
    capacity ≤2 pF [1]
    polarization voltage 0 V [3]
    physical Properties
    housing material stainless steel alloy
    pressure back
    mounting thread (Preamplifier) 0,4606 - 60 UNS 11,7 mm - 60 UNS
    mounting thread (cap) 0,5 - 60 UNS 12,7 mm - 60 UNS
    size - Diameter (with cap) 0.52 in 13.2 mm
    size - diameter (without protection cap) 0.5 in 12.7 mm
    size - H reach (with Schutzkappe) 0.64 in 16.2 mm
    size - height (without protection cap) 0.6 in 15.3 mm
    mass 0.28 oz 7.8 grams [1]
    Notes
    [1] typically
    [2] based on 250 Hz
    [3] Prepolarized
    Accessories
    ACS-20 Calibration of a precision capacitor microphone -1
    PCB-377A07

    Specific References

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    377A07_drawing.PDF

    Technical drawing

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    377A07_manual.PDF

    Operating instructions

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    377A07_specs.PDF

    Technical data sheet

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