Product Name: Digital Theodolite Optical Theodolite for Sale Theodolite Surveying Equipment Model NO.: GD2A-L Horizontal Line: 1 Vertical Lines: 1 Accuracy: 2mm Circular Level: 8’/2mm Output Interface: RS232c Rechargeable Battery: 1800mAh Ni-MH Battery Working Time: 10-20h Trademark: Hi-Target Transport Package: Cartonbox Specification: CE/ISO/FCC Origin: Chongqing HS Code: 9002209000 Product Description Digital theodolite Optical theodolite for sale theodolite surveying equipmentTheodolite is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying, but they are also used extensively for building and infrastructure construction, and some specialized applications such as meteorology and rocket launching.They are also used for measuring height of any objectThe GD2A-L series laser theodolite with built-in diode, the laser can be seen up to 200-300 meters away outside in daylight. The clear laser spot can also be seen up to 100 meters through eyepiece. It is convenient to focus and adjust the laser brightness. The laser device is integrated with telescope, resistant to dust, rain and other harsh elements. All standard functions of electronic theodolite are available in it.SPECIFICATIONSModelGD2A-LTelescopeLength165mmObjective lens apertureφ45mmMagnification30XImageErectField of view1'30'Resolving power3.3''Shortest sighting distance1mAdditive constant0Stadia proportion constant100Angle measurementMinimum reading1''/5''Accuracy2''DisplayDisplayGraphic lattice LCD on both sidesIlluminationProvidedCompensatorTilt sensorA Provide / B unprovidedAccuracy3''Compensating range±3'Laser plummetLevel sensitivityPlate level30''/2mmCircular level8'/2mmData outputOutput interfaceRS232CPower supplyRechargeable battery1800mAh Ni-MHBattery working time10-20hOthersWaterproof classIP45Tribrach typeDetachableWorking temperature range-20ºC~+50ºCDimension150x165X335mmWeight5kg