Bourns HES38U-RS485 Hybrid Position Sensor

Bourns HES38U-RS485 Hybrid Position Sensor is designed to meet the specifications of heavy-duty applications requiring long cycle life and high reliability. Bourns HES38U-RS485 Hybrid Position Sensor features a 6mm diameter slotted shaft supported by a mechanical angle of 360°, available in a servo mount configuration with a rotational life up to 5 million shaft revolutions. This sensor is highly resistant to vibration/shock and fluid/dust ingress. HES38U-RS485 is designed for use in patient platform positioning feedback, 3D imaging position feedback, and pneumatic control valve position feedback.


  • Hybrid technology
  • Highly resistant to vibration/shock
  • Highly resistant to fluid/dust ingress
  • Robust design for industrial applications
  • Highly repeatable
  • RoHS compliant


  • Patient platform positioning feedback
  • 3D imaging position feedback
  • Pneumatic control valve position feedback
  • Draw wire position sensors
  • Actuator motor position feedback
  • Automated manufacturing robotics
  • Electric linear actuator position sensors


  • 10VDC to 30VDC VDD supply voltage
  • 44mA maximum supply current
  • RS-485 single output signal
  • 163,840 output resolution
  • 19,200 baud rate
  • -40°C to +85°C operating temperature range
  • 15G vibration
  • 50G shock
  • IP65 environmental protection
  • 2kV maximum ESD rating
Published: 2021-01-06 | Updated: 2022-03-11