TOPCON DT-205L :
Telescope
Length 152 mm
Objective lens 45 mm
Magnification 30x power
Field of view 1°30′
Resolving power 2.5 power
Minimum focus 1m cm
Stadia ratio 100
Stadia constant 0
Sighting collimator Double
Electronic Angle Measurement
Method Absolute Reading
Detecting 2 horizontal sides, 1 vertical sides
Minimum reading 1″/5″ arc seconds, 0.2mgon/1mgon mgon
Accuracy 5 arc seconds, 71mm Diameter Circle
Laser Pointer
Method Focusing
Wave length/Power 633nm/0.6mW
Display
Display sides 2
LCD 7 segments
Data Output
Serial signal connector RS-232C
Compensator
Tilt sensor Vertical
Compensating range ±3 ft
Optical Plummet Telescope
Magnification 3x power
Field of view 3° degrees
Level Sensitivity
Plate level 40°/2mm
Circular level 10°/2mm
Water Protection
Standard IP66 rating
Power Supply
Battery 4AA batteries
Operating time Alk.
Theodolite only 140 Hours
Laser only 80 Hours
Theodolite and laser 45 Hours
Environmental
Operating Temp -20 to +50 degrees C
Includes:
Unit Theodolite
Plumb bob
Tool kit
Lint free lens cloth
Waterproof protective cover
Hard carrying case
Alumunium Tri