Digital Theodolite Topcon DT-209L 9-Second Accuracy

Digital Theodolite Topcon DT-209L • 9" Angle Measurement Accuracy • Long Battery Life • Waterproof and Dustproof Digital Theodolites • 633nm diode laser that can • be seen up to 50 meters away • outside in daylight SPECIFICATIONS 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 9 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