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A total station or total station theodolite is an electronic/optical instrument used for surveying and building construction. It is an electronic transit theodolite integrated with electronic distance measurement (EDM) to measure both vertical and horizontal angles and the slope distance from the instrument to a particular point, and an on ...
TOPCON was established in September 1932 [4] based the merger of the surveying instruments division of K. Hattori & Co., Ltd. (now known as Seiko Holdinge Corporation) in order to manufacture the optical instruments for the Japanese Army.
Products for Construction from Sokkia are rotating lasers, line lasers, machine control receivers, levels, theodolites, total stations etc. Products for Industrial from Sokkia are industrial total stations, 3-DIM industrial software, special magnetic targets, dedicated business partner alliance with German industrial applications specialists.
The modern theodolite has evolved into what is known as a total station where angles and distances are measured electronically, and are read directly to computer memory. In a transit theodolite , the telescope is short enough to rotate about the trunnion axis , turning the telescope through the vertical plane through the zenith ; for non ...
The pole of this local polar coordinate system is the vertical axis (pole O) of the total stations. The polar coordinates (r,f) with the pole are transformed using surveying software on a data collector to the Cartesian coordinates (x,y) of the known points. The coordinates for the position of the total station are then calculated. [5]
This page was last edited on 31 August 2020, at 02:50 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
The complete unit is normally mounted on a tripod, and the telescope can freely rotate 360° in a horizontal plane.The surveyor adjusts the instrument's level by coarse adjustment of the tripod legs and fine adjustment using three precision levelling screws on the instrument to make the rotational plane horizontal.
Archaeological survey using a Leica TPS1100 total station on an Iron Age dwelling in Ytterby, Sweden. The other standard method of levelling in construction and surveying is called trigonometric levelling, which is preferred when levelling "out" to a number of points from one stationary point.
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