electronic theodolite DT-2

Electronic theodolite DT-2 Model DT-2 DT-2(with laser) DT-5 DT-10ANGLE MEASUREMENTmeasuring method Incremental reading DetectingHorizontal: double Vertical: single Min. reading 1” 1” 1” 5” accuracy2” 2” 5” 10” Diameter of circle79mm TELESCOPEimageerect Length Of Telescope157mm Objective lens Aperture45mm magnification30X field of view1°30’ Resolving Power3,5” Shortest sighting distance1.4m Stadia ratio100 Stadia constant0 COMPENSATORTilt sensorsinglesingle--range±3±3--accuracy3”3”--LEVEL SENSITIVITYSensitivity of long vial30”/2mmSensitivity of bubble8’/2mmOPTICAL PLUMMETimageerectmagnification3XFocusing range0.5 ∞field of view5°Output interfaceOutput standardRS232CData output interfaceYESPowerBatteryNi-H rechargable or AA batteryWorking timeAbout 14 hoursOTHERSOperating temp-20°C +50°CInstrument dimension165*155*320Instrument weight4.5kg