Wilcoxon’s PC420V series provides continuous of overall machine vibration, alerting users to changing machine conditions and helping to guide maintenance in prioritizing the need for service. The choice of RMS or peak output allows you to choose the sensor that best fits your industrial requirements.

The 4-20 mA output of the PC420V series is proportional to velocity vibration. An output of 4 mA indicates a level of 0 ips or no vibration present. A full-scale reading of 20 mA indicates that the maximum range (RMS or peak) of vibration is present.


  • True RMS or calculated peak output
  • Corrosion resistant
  • Hermetic seal
  • ESD protection
  • Overload protection
  • Reverse wiring protection
The above description encapsulates the entire product series. Specifications for individual configurations may vary depending on the selection chosen.

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PC420V Series

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Agency Approvals

  • CE

Environmental Protection

  • Corrosion Resistant

Temperature Range

  • -40° to 105° C (-40° to 221° F)


  • Transverse Sensitivity, Maximum: 5%


  • ±2%


  • Vibration Limit: 250g Peak


  • Shock Limit: 2,500g Peak

Supply Voltage

  • 12-30 Vdc

Power Requirement

  • 2-wire Loop Power (Voltage at Sensor Terminals): 12-30 Vdc

Loop Resistance

  • 700 Ohms at 24 Vdc, Maximum
  • Maximum 100 to 1,000 Ohms at 12-30 Vdc


  • Frequency Response (±10%): 10 Hz to 1 kHz
  • Frequency Response (±3 dB): 3.5 Hz to 2 kHz

Electrical Connectors

  • Cable (J9T2A)
  • Mating Connector: R6 Type
  • Output Connector: 2-Pin, MIL-C-5015 Style

Circuit Protection

  • Overload Protection
  • Reverse Wiring Protection

Turn-On Time

  • 4-20 mA Loop: <30 Seconds


  • RL Minimum Wattage Capability: 0.125 to 0.5 W at 12-30 Vdc


  • 1/4-28 Tapped Hole

Enclosure/Body Material

  • Stainless Steel


  • Sensing Element Design: PZT, Shear

Seal Type

  • Hermetic