Millimeter GPS Grader

Get in the zone

Where GPS flexibility meets laser accuracy

Product Info

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 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-user capability in shared zone


Designed for multiple users

A full system set up features up to four transmitters for a large horizontal and vertical working window, literally creating a working zone. Stay within the zone, and grade control is at a millimeter level. Outside the zone, grade control operates at a centimeter level.

Millimeter GPS is designed to be used simultaneously by multiple fine grading machines and pavers as well as survey crews, where every millimeter counts. All machines and rovers use the same site plans as before.

Millimeter GPS Grader is perfect for:

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This product may not be available in all geographies. Please check with your local distributor for availability.