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Rotary Encoder RPE3-8 - Absolute analog 4-20mA output - 8mm shaft - RPE4-8 Now available

Prices are in Australian Dollars (AUD)
GST only applies to Australian customers. Correct total calculated at checkout.


Sinusoid Pty Ltd


Rotary Position Encoder, absolute analog 4-20mA current output, 8mm shaft  -  RPE3-8

Please note: RPE3-8 is now at EOL due to discontinuation of certain parts.

The replacement device is RPE4-8 which has better stability, higher resolution and accuracy. RPE4-8 is now available.

Typical Applications:

  • Industrial actuator position
  • Valve angle sensor
  • Lever angle sensor
  • Digital potentiometers
  • Motor speed sensor
  • Robotics encoder
  • Control position indicator
  • Front panel switch
  • CNC Machine tool position
  • Rotary position sensing
  • Tool control
  • Handwheel or Jogwheel encoders
  • Gearbox speed sensor
  • Conveyors


  • Hall effect sensor output. Magnetically coupled
  • 360°  continuous rotation. Maximum speed 7500RPM (see below)
  • Voltage supply (VDD) is 12-28V DC
  • 10 bit absolute analog output is 4-20mA increasing for clockwise 360°  - decreasing for counter-clockwise
  • Anodised aluminium construction
  • Double ball bearing support of shaft
  • Aluminium shaft 8mm diameter (also available in 6.35mm (1/4") shaft RPE3-635)
  • Maximum speed with V-ring seal is 3000rpm. Seal can be removed for higher speed max 7500rpm.
  • Mil Spec MIL-W-27500 cable with flying lead min. 580mm
  • Rotary encoder
  • RoHS compliant
  • Made in Australia
  • Product code RPE3-8
  • Also available in absolute analog voltage output, and quadrature/index output and PWM output. See RPE-2

For a full datasheet see the attachments tab on this page.

RPE3 Datasheet (Datasheet-RPE3.pdf, 1,647 Kb) [Download]