Products / Surveying Instrument / Electronic Theodolite
Feature
Specifications
Model No. GT-118(L)
Telescope 
Objective aperture Φ45mm
Image  Erect
Magnification   30 X
Field of view 1° 30' 
Mini focus 1.35m
Angle
Reading system Photoelectric incremental encoder
Minimum reading 1" / 5"
Accuracy 5"
Displays
Illumination YES
Display panel Both
Optical plummet 
Accuracy ≦ 0.5mm / 1.5m 
Image  Erect 
Magnification  3 X
Field of view 5∘
Focus range 0.5m 〜 ∞
Laser plummet ( Optional ) 
Accuracy ≦ 1.0mm / 1.5m 
Laser spot size Adjustable 
Laser class Class 2 
Focus range  0.5m 〜 ∞
Level sensitivity
Plate level 40"/2mm
Circular level 8′/2mm
Power supply
Battery Alkaline battery Rechargeable Ni-H Battery
Working time Alkaline battery 20hr
Charger 4.8V
Other
Dimensions 180×170×360mm
Weight 5.8kg
Operating temperature  – 20℃ 〜 + 50℃