In-Cylinder Sensors


TH1 Series of touchless sensors is designed for integration in hydraulic and pneumatic cylinders while the electronics remain outside the cylinder. Sensors have a rod that is easily mounted in-cylinder through one end and attached to the cylinder with either a threaded flange on the rod or a plug-in flange.


Screw-plug hole is sized at 3/4 inch/M18 diameter and plug-in flange is 46 mm. A magnetic pick-up position marker is mounted on the application’s piston rod.



  • Stroke lengths range from 50 to 4,250 mm
  • Voltage, current, CANopen, SSI, and impulse output interface versions are available
  • Operate under pressure to 350 bar with peaks to 600 bar
  • Shock and vibration ratings are  100 g and 20g, respectively
  • Operating temperature range is –40 to 85°C
  • Repeatability is ±0.03% FS regardless of stroke length
  • Resolution is 1 µm
  • Absolute linearity is , < ±0.02% FS
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