TOPCON TOTAL STATION GTS-250 SERIES ( TIPE GTS-255 )
Telescope
Length : 150 Millimeters
Objective Lens Diameter : 45mm (EDM:50mm)
Magnification : 30x
Image : Erect
Field of View : 1°30
Resolve Power : 3 "
Min. Focus Distance : 1.3 meters
Measurement Range
1 Prism : 6560 ft, 2000 meters
3 Prism : 8856 ft, 2700 meters
Measuring Accuracy
Prism Mode : ±(2mm + 2ppm x D)m.s.e. fine, N/A
Measurement Time : 1mm: 1.2sec. (Initial 4sec.) fine, 0.2sec. (Initial 3sec.) coarse, N/A
Angle Measurement
Method : Absolute Reading
Detection : 2 horizontal, 1 vertical
Minimum reading : 5”/1”, 1/5 mgon
Tilt Correction
Type : Automatic Vertical and Horizontal compensator
Method : Liquid surface reflective profile sensor reading type
Compensating Range : ±3''
Correction Unit : 1 arc sec, N/A
Computer Unit
Display : 2 screen, dot matrix graphic LCD display
Power
Approximate battery life : 9 hours including distance measurement , 40 Angle measurement only
Durability
Protection against water and dust : IP54
Temperature : -20 to 50 degrees C (-4 to 122 degree F)
Weight
Instrument : 4.9KG (10.8lb)