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Each system consists of either an HCI Series LVDT linear position sensor or an R36AS RVDT rotary position sensor, along with an electronics module which provides a 4-20mA current loop output. The CTS-420 operates on an unregulated 10 to 36VDC supply voltage. The electronics module provides the position sensor with the required AC voltage excitation voltage and converts the AC voltage output into a smooth 4-20mA signal. The zero and span adjustment potentiometers, as well as the sensor and loop supply connection terminals, are all conveniently located on the front panel for easy installation and calibration.


  • 4-20mA 2-wire current loop operation 
  • Linear or rotary position sensing 
  • Zero and span adjustable 
  • Cable assembly up to 35ft. (optional) 

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Type  RVDT System

Configuration Features

  • Electrical Connection  Terminal Block

Electrical Characteristics

  • Supply Voltage (VDC) 10 – 36

  • Input Current (Max) (mA) 4 – 20

  • Output Type  4 – 20 mA DC

Body Features

  • Angular Sensing Range (°) 0 – 90

  • Weight (g) 255

  • Case Material  Stainless Steel

Mechanical Attachment

  • Mounting  Size 15 Servo Mount


  • Shaft Diameter 4.75 mm [ .187 in ]

  • Case Diameter 38.1 mm [ 1.5 in ]

Usage Conditions

  • Operating Temperature Range -55 – 150 °C [ -67 – 300 °F ]


  • Non-Linearity (%) ±1.5

  • Bearing Type  ABEC 3 Precision Ball Bearing

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