Industrial Theodolite | Jinke Instruments (certified) | theodolite provided by Instrument Co., Ltd. Qingdao Branch. Instrument Co., Ltd. Qingdao Branch (www.qdjk17.com) is specialized in the "mapping equipment, analysis equipment, testing equipment, flow meters, optical instruments, temperature instruments," the enterprise, the company adhering to the "honesty, hard service" philosophy, to provide you with the highest quality products and services. Welcome to inquire! Contact: Li Yongjie. The theodolite invention improves the accuracy of the angle of observation, while simplifying the process of measuring and calculating, but also to provide a more accurate mapping data. Later theodolite is widely used in the construction of the measure. Theodolite consists of three parts of the base, dial (horizontal and vertical dial dial) and alidade. Base used to support the entire instrument. Horizontal circle for measuring horizontal angle. There telescope alidade, standard pipe and reading devices, and so on. Targeting and electronic theodolite readings: ① eyepiece light: focusing eyepiece makes the reticle clear. ② aim and objective light: coarse pointing theodolite sales target, the target clearly focusing lens. Note eliminate parallax. Fine pointing targets. ③ reading: Adjust the lighting mirrors industrial theodolites make reading window moderate brightness, rotate reading microscope eyepiece so that the scribe line is clear, then reading.