Posted in | Position Sensors

Miniature Precision Encoders – Optira™ Series

Integrating Celera Motion’s patented PurePrecision™ technology with advanced electronics and signal processing, the Optira delivers unparalleled performance in an extremely small and lightweight package, providing resolution of up to 5 nm with all interpolation, AGC, and signal processing executed in the sensor head.


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Dimensions 13 x 11.8 x 3.7 mm
Interface, Digital A quad B
Interface, Analog 1 Vpp sin/cos
Interpolation In sensor head
Resolutions 2000 CPR to 75M CPR
Accuracy Class up to +/- 2 arc-seconds
Max Speed TBD
Operating Environment Atmospheric


  • Easy installation
  • Durable mechanical and electrical design
  • Miniature footprint; interpolation and AGC in sensor head
  • Status LED in sensor head
  • Mechanical and PCB-mount options
  • Simple and flexible cabling/connectivity
  • Multiple linear and rotary grating/scale options
  • Optional connector board for index calibration and connector flexibility

Rotary Grating Compatibility

Highest Accuracy Class +/- 2 arc-seconds
Diameters up to 108 mm
Index Yes
Material Soda lime glass
Coefficient of Thermal Expansion 8 ppm/°C
Mounting Hub

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