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MS Series

Topcon ‘Measuring Station’ Opens New Era in Ultra-Precision 3D Measurement.

Featuring a wide array of innovative technologies, the MS05A and MS1A total stations offer superior performance in angle and distance measurement as well as reliable robotic functionality. The ‘Measuring Station’ ensures dramatic enhancement in precision and productivity in all applications such as surveying, engineering, construction, monitoring and 3D industrial measurement.

Ultra-high Precision with Full-robotic Functionality:

  • 0.5” / 1” Angular Accuracy
  • High-Performance, versatile EDM
  • 0.5 mm Distance Accuracy
  • Optimized Auto-Pointing
  • Laser Option for Tunneling
  • Windows CE Operating System

Automated Measurement Capability Expands Applications


Effectively performs displacement and deformation monitoring using state-of-the-art automated measurement capability.


Measure tunnel convergence and deformation more efficiently.

Civil Engineering

Major Civil engineering tasks demand the highest accuracy and reliability possible. The MS05A/MS1A dramatically increases construction efficiency and accuracy with its superior measurement capability in combination with unique target systems.


Precise measurements using reflective sheet targets and compact prisms enable high-quality bridge construction with short lead times.

Plant and Process Engineering

Position, geometry and dimensions of complex members of various plants can be measured with sub-millimeter accuracy. When absolute accuracy is required and no compromise is allowed, the MS05A provides a flexible solution for the precise measurement of dimensional stability and geometry of important structures.

Transportation Industries

The MS05A provides a flexible solution for the precise measurement of dimensions and geometry of various vehicles and aircraft in each stage of manufacturing, service and maintenance.

Technical Specifications

Telescope Magnification: 30x, Resolving power: 2.5”, Minimum focus: 1.3 m
Angle measurement Absolute encoder scanning. Both circles adopt diametrical detection.
Unit Degree / Gon / Mil, selectable
Display resolutions (selectable) 0.1” / 0.5”, 0.02 / 0.1 mgon, 0.0005 / 0.002 mil
Accuracy (ISO 17123-3:2001) 0.5”, 0.15 mgon, 0.0025 mil 1”, 0.3 mgon, 0.005 mil
IACS Provided (Independent Angle Calibration System)
Automatic dual-axis compensator Dual-axis liquid tilt sensor, Working range: ±4’ (±74 mgon)
Distance measurement Modulated laser, Phase comparison method with red laser diode (690 nm)
Laser output*1 mode Class 3R Reflectorless / Class 1 Prism/Sheet mode

Measuring range*2

With reflective sheet (50 mm)*3
One prism / mini prism

1.3 to 200 m
1.3 to 3,500 m / 1.3 to 800 m
0.3 to 100 m
1.3 to 300 m
1.3 to 3,500 m / 1.3 to 1,000 m
0.3 to 200 m
Minimum display resolutions 0.00001 m (0.01 mm) 0.0001 m (0.1 mm)

Accuracy*2 (ISO 17123-4:2001)

With reflective sheet*3
With prism

(0.5 + 1 ppm x D) mm
(0.8 + 1 ppm x D) mm
(1 + 1 ppm x D) mm
(1 + 1 ppm x D) mm
(1 + 1 ppm x D) mm
(3 + 1 ppm x D) mm
Measuring time*5 Fine: 0.9 s (initial 2.4 s), Rapid: 0.6 s (initial 2.0 s), Tracking: 0.4 s (initial 1.3 s)
Auto-pointing & Auto-tracking Pulse laser transmitter and CCD detector with co-axial optics
Auto-pointing range / -tracking range one prism 1,000 m / 800 m | mini prism 700 m / 600 m
360° prism 600 m / 500 m | reflective sheet (50mm)*6 50 m / n/a
Operating System Windows CE Ver.5.0
Display 3.5in. TFT QVGA backlit color LCD, Touch Screen on both faces
Dust and water protection IP64 (IEC 60529:2001) - maintained with external connections
Temperature –20 to +50ºC (operating) / –30 to +70ºC (storage)
Size with handle & battery W201 x D220 x H375 mm
Weight 7.7 kg (with handle & battery)
Power supply 7.2V DC
BDC58 detachable battery Li-ion rechargeable battery, 7.2V, 4.3Ah, 2 BDC58 are included as standard
Operating time at 20ºC *7 Standard detachable battery BDC58: Approx. 3 hours
External battery BDC61 (Ni-MH, 13Ah): Approx. 9 hours

For more details download brochure:


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