Nanjing Longjun Survey Instrument Co., Ltd.  

Product Name: Construction Instrument Electronic Theodolite with Laser Plummet (DT23) Model NO.: Green DT23 Vertical Lines: Laser Plummet Accuracy: Angle Accuracy: 2 Second Angle Measuring Mode: Absolute Encoder Display: Double Sides base and Main Body Structure: Integration Water Protection: IP66 Trademark: Phenix Transport Package: Standard Export Carton Specification: 200*160*345mm Origin: China HS Code: 9015200000 Product Description Cheap Price Electronic Theodolite with Laser Plummet (DT23)1. Single horizontal spindle which cross telescope makes higher precision and better stability and resistant shock ability2. Absolute angle encoder system makes measuring easier.3. Big screen makes displaying horizontal and vertical angle at the same time4. Down laser point makes the instrument easier to set up and operate.5. Superior water and dust proof IP66ModelDT-21DT-23DT-22LTelescopeImageErectErectErectMagnification30×30×30×Objective lens45mm45mm45mmField of view1°30′1°30′1°30′Minimum focus1.4m1.4m1.4mStadia ratio100100100Resolving power3″3″3″Angle measurementMethodAbsolute encoderMininumreading1″,5″Detection methodH:both V:bothH:both V:bothH:both V:bothAccuracy2″2″2″Angle UnitDEG / MIL/ GonDisplay PanelLCD both sidebase and mainbody structureSeparate styleIntegrationSeparate styleCompensatorTilt SensorsYesCompensating range±3′Up laser plummetWave Length//635nmLaser Spot Size//5mm/100mconsistency between laser axle and collimation axle//≤5"Laser Range//≥200m(day)Down PlummetLaser PlummetPlate level30″/2mmCircular level8′/2mmOperatingtemperature-20°C-+50°CPowerBatteryLionVoltage1400mah,3.7VWeight4.8kg4.8kg4.8kgDimension200×160×345mmProduct:DT23 theodolite