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    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 / g1.02 V/(m/s²)[1]
       
      range0.5 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 resolution0.000001 g RMS0,000009 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 range0 … 150 ° F18 … 65 ° C 
       
      strain sensitivity(Base area)≤0.0005 g/µε≤0.005 (m/s²)/µε[2]
      Technical properties
      Power supply24 … 28 V DC  
       
      Constant power supply2 … 10 mA  
       
      output impedance≤500Ω  
       
      Bias voltage8 … 14 V DC  
       
      discharging charging time constant?  
       
      settling time (on Bias-Spannung ±10%)60s  
       
      spectral noise (1 Hz)0.06 µg / √Hz0.6 (µm / s ²) / √Hz[2]
       
      Spectral noise (10 Hz)0.01 µg / √Hz0.1 (µm / s ²) / √Hz[2]
       
      spectral noise (100 Hz)0.004 µg / √Hz0.04 (µm / s ²) / √Hz[2]
       
      electrical insulation (housing)≥100 MΩ  
      physical properties
      sensor elementceramic  
       
      Geometrythe sensor elementbending principle  
       
      housing materialstainless steel  
       
      sealinghermetic  
       
      Size - diameter2.25 in57.2 mm 
       
      size - height2.8 in71.1 mm 
       
      Mass22.4 oz635 grams[2]
       
      electrical connection2-pin connector (MIL-C-5015)  
       
      connection positionabove  
       
      Mounting thread1/4 "-28 threaded  
       
      Assembly torque2 … 5 ft-lb2.7 … 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-11calibration (phase and amplitude), traceable to NIST, frequency of 0.5 Hz up to the upper 5%-1 
       
      M081B20mounting bolts 1/4 "28 M6 x 0.75-1 

      "

      PCB-393B31

      Specific References

      Download

      393B31_drawing.PDF

      Technical drawing

      Download (28.75k)

      393B31_manual.PDF

      Operating instructions

      Download (1.72M)

      393B31_specs.PDF

      Technical data sheet

      Download (78.71k)