SE22HR is a very high performance hollow shaft optical encoder; a high resolution is achievable in a small space with a good performance price ratio. The assembly is very easy, the available shaft diameters are in the range from 1.5 to 8.0 mm. The device provides two incremental encoding square wave signals outputs A and B and a tracked index. The device is very suitable for speed and incremental position detection in the applications requiring high reliability, very good performances, with easy and fast assembly.


  • Dimensions: 22.6 mm diameter, 21.0 mm height
  • Quick and easy assembly, no signal adjusting required
  • Resolution: up to 2048 CPR (Counts Per Rotation)
  • Output channels: A and B (quadrature) tracked index
  • Power supply: 5 Vdc
  • Output type: push-pull or line driver
  • Frequency: up to 220 kHz
  • Maximum shaft diameter: 8.0 mm
  • Operating temperature: -20 °C to 85 °C
  • RoHS compliant