| 摘要 |
A surveying system is provided to prevent contamination of a transparent window for smooth laser transmission by washing the transparent window with a washer. A surveying system includes a pile(10), a main survey unit(20), a detector(30), a washer, and a wireless terminal. The pile is fixed down to a hard foundation exposing the upper part thereof over the ground. The main survey unit, including a first case with a transparent window, is installed on the pile and generates laser beams for survey. The detector, including a second case with a transparent window, is installed on the upper part of a reference point(3) and receives the laser beam from the main survey unit for calculating a received position of the laser beam. The washer is installed on the main survey unit and the detector and washes the transparent windows of the main survey unit and the detector. The wireless terminal communicates with the main survey unit.
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