Topcon GT-1200 series - GT-1202

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
Ultra-rugged IP65 dust and water resistance
Maintain work pace with total station locked onto the prism, even in challenging environments

Length : 142 mm
Aperture : EDM: 38 mm
Magnification : 30x
Resolving power : 2.5”
Field of view : 1°30’
Reticle illumination : 5 brightness levels
Horizontal and vertical circles type : Rotary absolute encoder
Minimum Display : 0.5” (0.0001 gon/0.002 mil) 1” (0.0002 gon/0.005 mil) (selectable)
Angle Accuracy : 2” (0.0006 gon/0.010 mil)
Measuring mode : Horizontal angle: Right/Left (selectable) Vertical angle: Zenith/Horizontal/Horizontal ± 90° /% (selectable)
Measuring method : Coaxial phase shift measuring system
Signal source : Red laser diode 690 nm Class 3R
Circular or 360° Prism ATP1 : Fine: 1 mm (0.003 ft.) + 2 ppm Rapid: 5 mm (0.0016 ft.) + 2 ppm
Light source : LED (red 626 nm/green 524 nm)
Visible distance : 1.3 to 150 m
Visible angle : Right and Left/Upward and Downward: ± 4° (7 m/100 m)
Power source : Rechargeable Li-ion battery BDC72
Display : Color touchscreen 4.3 inch Transmissive TFT VWGA color LCD Backlight LED 9 brightness levels Touch panel resistance sensitive analog type
Operating temperature : Standard models: -20 to 50°C (-4 to 122°F) (no condensation)
Dust/Water rating : IP65 (IEC 60529: 2001)
Weight (with handle/battery) : 5.8 kg