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Measure to any surface at maximum power

Longest reflectorless range maximizes efficiency and safety

Performance driven design for all around surveying

Locked and loaded with the most powerful EDM in the industry, the GPT-3500 from Topcon is engineered to impress. Backed by our renowned history in laser technology development, the GPT-3500 is rock-solid in rugged environments.

  • Most powerful EDM, with confident distance measurement to 2000m (non-prism) or 3000m (prism)
  • Rugged IP66 environment rating
  • Convenient visual laser pointer for rapid, reflectorless measurement and layout