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Quick Details

  • Brand Name: Topcon
  • Model Number: GPT3502LN
  • None prism Measuring Range: 5m to 250m
  • Measurement Accuracy: Fine:±(2mm+2ppmxD)m.s.e.
  • Measuring Time: Fine mode 1mm:approx.1.2sec.

Packaging & Delivery

Packaging Details Within Standard and Original packing way
Delivery Time within 3-5 work days after the goods are paid

GPT3502Ln Total Station with 2000m  Reflectorless Total Station


roduct Introduction

Class1 Safe Pulse Laser EDM
Laser Pointer for Reflectorless Measurement and Layout
Point Guide for Stakeout/Layout
24-Key Alphanumeric Keyboard
Versatile On board Applications Including Road
Rugged IP66 Dust and Water Protection
Powerful 2,000m Reflectorless EDM

A refinement of GPT3502Ln Total Station advanced time-of-flight (pulse) EDM technology in the GPT-3500 allows measuring distances up to 2,000m (6,550 ft.) range without a reflector. 
This wide range reflectorless capability enables quick and efficient measuring works in the large area. Also, it increases personal safety without approaching dangerous surface.
Reflectorless Measuring for Any Targets

Powerful reflectorless measuring capability even for narrow object such as power line or tower frame of power line. 
Also, it can measure low reflection target like road and ground surface, wood, coal, and any dark color materials.
TopField / Road Software with Alphanumeric Keyboard
The on board "TopField" and "Road" software dramatically increases efficiency in topo data collection, construction layout, as well as road stakeout tasks.
The 24-key alphanumeric keyboard allows for quick inputting of point numbers, codes, attributes, and other necessary data.

Main Parameter







Distance Measurement

Measuring Range


Mini prism


1 prism


Measurement Accuracy


Measuring Time

Fine mode 1mm:approx.1.2sec.

Non-Prism Mode(Diffusing-surface)

Measuring Range

1.5m to 250m

Measurement Accuracy


Measuring Time

Fine mode 1mm:approx.1.2sec.



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