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Millimeter GPS Grader


Get in the zone.

Where GPS flexibility meets laser accuracy

Working in a zone

Laser Zone™ — A unique coded laser creates a grade control zone with all the advantages of satellite positioning technology, along with the accuracy of a laser. You get enhanced accuracies with the superior performance and usability of Topcon standard machine control.

Your GNSS survey rovers can also use the Laser Zone™ for all site survey work, and receive the same precision.

  • GPS + GLONASS coverage
  • Millimeter level accuracy
  • 2400 meter horizontal working range
  • 40 meter vertical working range
  • Multiple users in the same zone