On-Board Total Station OS Series

On-board Total Stations

Advanced security and maintenance with TSshield™
• MAGNET® Field on-board
• Exclusive LongLink™ communications
• Fast and powerful EDM
• Advanced angle accuracy

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Angle Measurement Specifications

Min. Resolution/Accuracy OS-101: 0.5”/1”
OS-102: 1”/2”
OS-103: 1”/3”
OS-105: 1”/5”
IACS Standard on 1” and 2” models
Compensation Dual-axis compensator
Distance Measurement Prism EDM Range: 4,000 m
Prism EDM Accuracy: 2 mm + 2 ppm
Non-Prism Range: 500 m
Non-Prism Accuracy: 3 mm + 2 ppm (0.3 – 200 m)
Measuring Time:
Fine: 0.9 sec
Rapid: 0.7 sec
Tracking: 0.3 sec
Communications LongLink™ rover communications utilizing Bluetooth® Class 1
USB 2.0 Slot (Host + Slave)
RS-232C Serial
General Display/Keyboard: Dual LCD Touchscreen (OS-105 Single Display)
Battery Operation: Up to 20 hours
Dust/Water Rating: IP65
Wireless Connection: Bluetooth® Class 1
Operating Temp: -30ºC to 60ºC*
* Special Arctic and Desert versions available


Topcon’s OS Series total stations – advanced design with superior technology

The OS is a professional grade compact total station. This advanced design provides an on-board data collection
interface, exclusive LongLink™ communication, and an incredibly powerful EDM.
Work directly on the bright, color touchscreen, or with the alpha-numeric keyboard, to achieve higher levels of
production with MAGNET Field on-board software. The OS total station can be used on a wide variety of applications,
from building layout to earthwork volumes, and land surveying, the OS is the productive choice.

On-board Windows® touchscreen

Running on-board software on the Windows® touchscreen computer increases productivity. The screen is large and
bright, so the user can see more software functions and intuitively interact with the screen where needed. Software
applications become easier to use and there is no need to hold a field controller in one hand while turning the instrument
with the other. The OS has precise tangent locks to keep the angle positions accurate even with touchscreen and
keyboard interaction.
Projects move faster by being able to do point collection, description entry, and on-screen calculations. The bright
colorful screen provides enough resolution to view points, lines and icons, to help you make faster decisions. All of your
data is stored in one spot, safely on-board.

Exclusive LongLink™

For stakeout and other operations where being at the
prism pole with a field controller is critical, Topcon’s
exclusive LongLink™ functionality allows you to operate
a field controller more than 300 m away from
the instrument. LongLink™ brings you flexibility you’ve
never had before.

Easy access USB 2.0 memory

• Up to 8 GB storage
• Environmentally protected
• Compatible with industry standard
thumb drives

Ultra-powerful, advanced EDM

• 500 m non-prism range
• 4,000 m prism range
• Red/Green guidelight
• Coaxial red laser pointer
• Pinpoint, precise beamspot

Advanced angle encoder system

• “Best in Class” 1” angle accuracy
• Incorporates exclusive IACS
(Independent Angle Calibration System)
on 1” and 2” models
• Self-calibration
• Proven High Accuracy Technology

EDM trigger key

• Perfect touch location
• Promotes angle stability
• No torque when measuring on-board
• Water/Dust proof
• Easy for gloved hands