Positioning Business is one of our core businesses developing with the advance of the optical and surveying technologies since its establishment. TOPCON is one of three top manufacturers of Positioning instruments in the world. Recently, TOPCON is developing new technologies integrating its backbone technologies, which are Machine Control, Image Analysis and GPS technologies.

TOPCON Corporation, TSH’s parent company in Japan, is world leading Optomechatronics – Optics, Mechatronics, Electronics – manufacturer since its establishment, 1932. The Topcon name carries a reputation of integrity and products of the highest quality, receiving ISO 9001 certification for both its positioning and medical divisions. Topcon has revenues of over $600 million annually and employs over 3,000 people worldwide with 14 domestic subsidiaries, and 26 overseas sales and manufacturing subsidiaries.
Topcon Products
Total Station

GT 1200/600 TS
Fast, accurate and versatile
The flagship GT Series ultrasonic robotic total station delivers accurate and productive workflows for highly demanding survey and construction applications. Lay out or survey more points precisely and in less time, while improving quality and consistency. Easy-to-use digital processes with repeatable accurate results mean less rework and better-quality control. Built for jobsite mobility, GT is one professional tool that does it all for layout, survey and machine guidance.
- Precise positioning with single-person operation
- High-speed advanced ultrasonic motors
- Easy to use with MAGNET or Pocket3D software
- Seamless integration into BIM workflows
- Available in GT-1200 and GT-600 models with multiple accuracy levels
- Three-year instrument and five-year motor warranty
- Ultra-rugged IP65 dust and water resistance
- UltraTrac™ prism tracking
- Maintain work pace with total station locked onto the prism, even in challenging environments
OS 200 TS
Smart software meets tough design
Take charge of sites with a professional-grade, compact total station. The OS-200 boasts a color touchscreen interface and delivers world-class accuracy and productive workflows. With the latest total station technology and an IP65 dust and rain-proof exterior, the OS can handle whatever you need to accomplish. This instrument is built for on-the-go tasks with a far reaching, high-precision EDM and extended battery life. The OS is your solution for maximum manual total station performance.
- Fast and accurate surveying and staking
- Modern, intuitive onboard MAGNET® Field software
- Color touchscreen display
- Convenient EDM trigger key
- Available in multiple accuracy models
Onboard workflows that take you further
Onboard MAGNET software is an easier way to survey. Its user-friendly interface and extensive capabilities enable fast and productive workflows. Combined with the OS-200’s 30-50% accuracy increase with double the reflectorless range, you have a peak performance solution suitable for a full range of applications and project types.


GM 100/50
Advanced accuracy, faster workflows
We designed this powerful, cost-effective manual total station to deliver the latest technological capabilities in a small, sleek design. It features an ultra-powerful EDM unit with a best-in-class angle encoder system that provides 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. TopBasic on-boarding software with everything you need to get the job done out in the field.
The GM-100 series also features dual axis compensation, 32 GB USB and Bluetooth® communication to 10 m.
- 6,000 m prism range at 1.5 mm accuracy
- Easy access USB memory with 32 GB storage
- 1″ angle 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 can measure up to 6,000 m at 1.5 mm + 2 ppm for standard prisms, and up to 1,000 m at an incredible 2 mm + 2 ppm accuracy in reflectorless mode. It captures measurements faster than ever, and with a beam width of 13 mm (over 30 m). The bright red laser dot pinpoints features with ease.