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  Grade Management Systems
  Robotic Total Station Comparison







Trimble SPS-series total station
Leica PowerTracker Topcon GPT-9000A
Trimble
SPS-series

Leica
PowerTracker
Topcon
GPT-9000A
Built-in 2.4GHz radio
Detachable controller
Magnetically driven
Prism-less mesurements
  Servo-assisted focusing
Active or passive targets
Target differenciation
1-5" angular accuracy
May be used for machine control applications
Weight: 11.57lbs/5.25kg

Built-in 2.4GHz radio
No on-board controller
Servo-driven
Prism-less measurements
Manual focusing
Passive targets only
No target differenciation
1" angular accuracy
May be used for machine control applications
Weight: 12.13lbs/5.5kg
Built-in 2.4GHz radio
Fixed, on-board controller
Servo-driven
Prism-less measurements
Manual focusing
Passive targets only
No target differenciation
1-5" angular accuracy
Can not be used for machine control applications
Weight: 15.21lbs/6.9kg