Topcon DT-205L

DT-205L Series Features: 5" 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 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