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The DT-200 series integrates the same high-quality advanced absolute circle reading technology found in Topcon’ s high-performance total station products for more accurate field calculations; and they continue to deliver the highest quality optics and electronics you expect to find in Topcon theodolites.
DT-200 Series Features:
* Long Battery Life
* Waterproof and Dustproof Digital Theodolites
Available in three affordable models delivering 5″ (DT-205) , 7″ (DT-207) , or 9″ (DT-209) angle accuracy, there is a DT-200 theodolite perfect for any job. Like the DT-100 series, the DT-200 sereies weathers any wet or dust conditions in the field, allowing for a more productive day during inclement weather. All models are also compact and lightweight for easy portability; and their simple operation provides precise measurement in a functional, hassle-free package.


Model DT-205 DT-207 DT-209/209P
Telescope Length 149mm 149mm 149mm
Objective lens 45mm 45mm 40mm
Magnification 30x 30x 26x
Field of view 1°30′ 1°30′ 1°30′
Resolving power 2.5” 2.5” 3”
Minimum focus 90cm 90cm 90cm
Stadia ratio 100 100 100
Stadia constant 0 0 0
Sighting collimator Double Double Double
Electronic Angle Measurement Method Absolute Reading Absolute Reading Absolute Reading
Detecting Horizontal: 2 sides Horizontal: 2 sides Horizontal: 1 side
Vertical: 1 side Vertical: 1 side Vertical: 1 side
Miimum Reading 1”/5” 5”/10” 10”/20”
5” 7” 9”
Accuracy 71mm 71mm 71mm
Diameter Circle 2 sides 2 sides 1 side
Display Unit LCD 7segments LCD 7segments LCD 7segments
Data Output Serial signal connector
Illumination Display
Compensator Tilt sensor
Compensating range ±3′
Optical Plumment Telescope Magnification 3x 3x 3x
Field of view
Focusing 0.5m to ∞ 0.5m to ∞ 0.5m to ∞
Level Sensitivity Plate level 40”/2mm 40”/2mm 60”/2mm
Circular level 10”/2mm 10”/2mm 10”/2mm
Water Protection Standard IP66 IP66 IP66
Power Supply Battery 4AA batteries 4AA batteries 4AA batteries
Operating time (Alk.) Theodlite only 140h 150h 170h
Operating Temp. -20℃ to + 50℃ -20℃ to + 50℃ -20℃ to + 50℃
Weight 4.1kg 4.1kg 3.4/3.8kg