PCB-393B31
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PCB-393B31

  • ICP® vibration sensor for seismic measurements,
  • Measuring range 0.5 g,
  • Sensitivity 10,000 mV / g,
  • Frequency range 0.1 …?200 ?z,
  • Wide band resolution 0.000001 g RMS,
  • 2-pin female connector above
  •  

    basic data
    sensitivity (±5%) /10.0 V / g 1.02 V/(m/s²) [1]
     
    range 0.5 g pk 4.9 m/s 2 pk  
     
    frequency range (±5%) 0.1 …?200 ?z    
     
    Frequency range (± 10%) 0.07 … 300 Hz    
     
    resonance frequency ? 700 Hz    
     
    wide band resolution 0.000001 g RMS 0,000009 m/s² RMS [2]
     
    Linearity ≤1%   [3]
     
    transverse acceleration sensitivity ≤5%    
    conditions of use
    Overload limit (shock) ±40 g pk ±392 m/s 2 pk  
     
    Temperature range 0 … 150 ° F 18 … 65 ° C  
     
    strain sensitivity(Base area) ≤0.0005 g/µε ≤0.005 (m/s²)/µε [2]
    Technical properties
    Power supply 24 … 28 V DC    
     
    Constant power supply 2 … 10 mA    
     
    output impedance ≤500Ω    
     
    Bias voltage 8 … 14 V DC    
     
    discharging charging time constant ?  
     
    settling time (on Bias-Spannung ±10%) 60s    
     
    spectral noise (1 Hz) 0.06 µg / √Hz 0.6 (µm / s ²) / √Hz [2]
     
    Spectral noise (10 Hz) 0.01 µg / √Hz 0.1 (µm / s ²) / √Hz [2]
     
    spectral noise (100 Hz) 0.004 µg / √Hz 0.04 (µm / s ²) / √Hz [2]
     
    electrical insulation (housing) ≥100 MΩ    
    physical properties
    sensor element ceramic    
     
    Geometrythe sensor element bending principle    
     
    housing material stainless steel    
     
    sealing hermetic    
     
    Size - diameter 2.25 in 57.2 mm  
     
    size - height 2.8 in 71.1 mm  
     
    Mass 22.4 oz 635 grams [2]
     
    electrical connection 2-pin connector (MIL-C-5015)    
     
    connection position above    
     
    Mounting thread 1/4 "-28 threaded    
     
    Assembly torque 2 … 5 ft-lb 2.7 … 6.8 Nm  
    " Notes
    [1] measured at 10 Hz, 0.1 grms    
     
    [2] typically    
     
    [3] zero-based balancing line,. determined with the method of least squares    
     
    [4] details: see PCBs Declaration of conformance PS023    
    Accessories
    081 B 20 ,shoulder (1/4 "-28 1/4"-28) -1  
     
    ACS-11 calibration (phase and amplitude), traceable to NIST, frequency of 0.5 Hz up to the upper 5% -1  
     
    M081B20 mounting bolts 1/4 "28 M6 x 0.75 -1  

    "

    PCB-393B31

    Specific References

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    393B31_drawing.PDF

    Technical drawing

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    393B31_manual.PDF

    Operating instructions

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    393B31_specs.PDF

    Technical data sheet

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