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CUI Devices


CUI Devices' AMT31 series is a rugged, high-accuracy commutation encoder which generates standard U/V/W communication signals for commutating Brushless DC (BLDC) motors.

Thanks to its innovative capacitive platform, the series is not susceptible to contaminants such as dirt, dust, and oil which typically plague encoders in industrial environments. The AMT31’s design also simplifies the assembly process, enabling the normally time-consuming tasks of mounting and alignment to be accomplished in seconds due to its One Touch Zero™ feature.

This position-measurement encoder also offers high accuracy of ±0.2° and operates up to a maximum rotation speed of 8,000rpm. It provides position measurement outputs at a resolution of up to 4,096 points per revolution.

  • Modular locking hub design for simple assembly
  • Up to nine sleeve options ranging in size from 2mm to 8mm
  • Programmable incremental output
  • Compatible with AMT Viewpoint™ GUI
  • 16mA current with unloaded output
  • Input-voltage range: 4.5V to 5.5V
  • Operating temperature range: -40°C to 125°C
  • Industrial equipment
  • Automation systems
  • Robotics
  • Renewable energy equipment


AMT31: Maximum rotation speed of 8,000rpm

AMT31: Maximum rotation speed of 8,000rpm


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