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Topcon GM-100 Series

Reflectorless total station GTL-1000

Topcon Total Station Solutions feature renowned optics and legendary durability combined with cutting-edge technology to maximize measurement productivity on a daily basis. With the most powerful reflectorless system available, you receive superb prism tracking and a built-in security standard.

  • Topcon GM-100 Series
Essebaan 11
2908 LJ Capelle aan den IJssel
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Advanced Accuracy, Faster Workflows

This powerful, cost efficient Manual Total Station was designed from the ground up to deliver the latest technological advantages in a small, sleek design. It features an ultra-powerful EDM, best-in-class angle accuracy encoder system to provide the accuracy, speed, and endurance needed on the most demanding job sites. Plus, with a rugged housing and extended battery-life you’ll be able to handle even the toughest conditions.

The GM-100 series also features dual axis compensation, 32 GB USB, Bluetooth to 10m and TSshield™ telematics for ultimate security and investment protection.

  • 6,000m prism range 1.5mm accuracy
  • Easy access USB memory with 32 GB storage
  • 1" angle accuracy encoder system with exclusive IACS
  • Rugged, waterproof/dustproof magnesium-alloy housing
  • 28 hour battery life (eco mode)


Get ultra-precise results, every time

Featuring a best-in-class EDM unit, the GM-100 is able to measure up to 6,000 m 1.5 mm + 2 ppm to standard prisms, and up to 1,000 m at an incredible 2 mm + 2 ppm accuracy in reflectorless mode. Measurements are captured faster than ever, and with a beam width of 13 mm (over 30 m), the bright red laser dot pinpoints features with ease.


A world’s first – TSshield

Topcon is proud to offer another world’s first technology in all GM-100 total stations – TSshield. Every instrument is equipped with a telematics-based multi-function communications module providing the ultimate security and maintenance capabilities for your investment. If the activated instrument is lost or stolen, send a coded signal to the instrument and disable it – the total station is secure anywhere in the world. In the same module, you have daily connectivity to cloud-based Topcon servers that can inform you of available software updates and firmware enhancements.


  • Display Panel
    Single Backlit LCD (Dual display optional)
  • Standard deviation [arcsec]
  • Standard deviations of other versions in serie
    GM-102 1”/2”, GM-103 1”/3”, GM-105 1”/5”
  • Compensation
    Dual-axis compensator
  • IACS
    Standard on 1” and 2” models
  • Prism EDM Range [m]
    6,000 m
  • Prism EDM Accuracy [mm]
    1.5 mm + 2 ppm
  • Measuring Time [s]
    Fine: 0.9 sec, Rapid: 0.6 sec, Tracking: 0.4 sec
  • Non-Prism Range [m]
    1,000 m
  • Non-Prism Accuracy [mm]
    2 mm + 2 ppm (0.3 - 200 m)
  • RS-232 /422 Serial [Y/N]
  • Max. operation time on one battery [hr]
  • Minimum working temperature [degC]
    -20ºC. Special Arctic version available (-35 to 50ºC)
  • Maximum working temperature [degC]
  • IP dust/water protection class [IPxx]
  • Bluetooth
  • USB
  • RS232
  • Other connectors or connector specifications
    LongLink™ is not supported. Bluetooth Class 1.5/10 m, USB 2.0 Slot (Host)

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