Measure shafts, cylinders and other turned, ground, or extruded parts with speed and precision

TurnCheck? systems are precision optical instruments designed to measure shafts and other cylindrical parts. Each member of the TurnCheck family is built for ease of use and consistent accuracy, even in difficult shop-floor conditions.

TurnCheck systems are built for the people who use them: With advanced optics, rugged materials, and intelligent controls to make set up and measurements fast, accurate and easy.


  • Accurate measurements in shop floor conditions where vibration and temperature variation may not be tightly controlled
  • Highly rigid support for the optical motion assembly
  • Clear, highly accurate images
  • Crisp, uniformly magnified image across the entire field of view, with no edge effects or exclusion zones


  • Rugged baseplate with adjustable vibration damping leveling feet
  • Extruded aluminum column with an internal lattice
  • Illumination system produces highly collimated light with a constant wavelength
  • Receiving optics are fully telecentric with each element designed to eliminate distortion
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