Topcon GTS 255

Deskripsi :
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)