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Angle Encoders

ZS instruments manufactures angle encoders with up to 36,000 lines and 360,000 counts per revolution. Typical accuracy grade is ±5 arc seconds with ±2 arc seconds available on select models. Applications include rotary tables, trunions, telescopes, radars, and satellite antennas.

Available Models

AS90 TTL or 1Vpp output, 18,000 lines per disc, Accuracy of ± 5 arc seconds, Sturdy design with a solid shaft

AH90 TTL or 1Vpp output, Hollow shaft w built in housing coupling, 18,000 lines per disc, Accuracy up to ± 2.5 arc seconds

AH170 TTL or 1Vpp output, Hollow shaft w built in housing coupling, 18,000 & 36,000 lines per disc, Accuracy up to ± 2.0 arc seconds

Cross-compatability

Our Angle Encoders can be used as a direct bolt on replacement for majority of 3-rd party encoders on the market. See below for a list of some of the most popular angle encoders we replace:


Heidenhain®

  • ROD 200 series - ROD 220 ROD 260 ROD 270, ROD 271, ROD 280, and ROD 280C
  • RON 200 series - RON 225 RON 275 RON 280, RON 285, RON 287, RON 285C, and RON 287C
  • RON 700 series - RON 785, and RON 785C

Fagor®

  • S-D90
  • H-D90

*All brand names and trademarks such as Heidenhain®, and Fagor® mentioned here are registered trademarks of their respective owners. Compatibility with these products is provided for informational purposes only and does not imply endorsement or affiliation with the trademark holders.