Performance parameters: Effective range: 200m Minimum reading: 1 "/ 5" angle measurement mode: Optical Incremental effective aperture of the objective lens: 45mm Magnification: 30X field of view: 1 ° 30 'Imaging: As a minimum sight distance: 1m goniometer Accuracy: 2 "Compensation range: ± 3 'Data Interface: RS-232C wavelength: 635nm Spot size: 5mm / 100m Battery: 4.8V Ni - MH batteries or 4 AA alkaline batteries can be widely applied in electronic theodolite countries and cities three, four, etc. theodolite triangulation control surveying industry for railways, roads, bridges, water, mining and other aspects of the engineering survey Su Guang theodolite, can also be used to install buildings, large equipment, used in cadastral, topographic survey and a variety of Engineering Surveying Discipline: Surveying Science and Technology Words: electronic theodolite English: electronic theodolite Explanation: electronic theodolite is the use of photovoltaic technology goniometer with theodolite angle digital display and automatic data were imputed and storage device calibration _ theodolite theodolite. _ Jinke instrumentation provided by the Qingdao Branch of the Instrument Co., Ltd. Qingdao Branch of the Instrument (www.qdjk17.com) strong, credible, in Qingdao, Shandong analytical instruments industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinke instrumentation and you work into the brilliant, for a better future!