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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 ...
Products for Surveying from Sokkia are GNSS systems, robotic total stations, reflectorless total stations, automatic / digital levels, field / desktop software etc. Products for Construction from Sokkia are rotating lasers, line lasers , machine control receivers, levels, theodolites , total stations etc.
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]
Really, the total station makes a bunch of internal measurements, such as the reading of the horizontal and vertical angle encoders, the reading of an internal level, the phase of various modulations applied to the laser, temperature, atmospheric pressure, then corrections for various known imperfections in the instrument, and calculates a ...
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 ...
Traverse networks involve placing survey stations along a line or path of travel, and then using the previously surveyed points as a base for observing the next point. Connected survey lines form the framework and the directions and lengths of the survey lines are measured with an angle measuring instrument and tape or chain. [2]
A tribrach is an attachment plate used to attach a surveying instrument, for example a theodolite, total station, GNSS antenna or target to a tripod. A tribrach allows the survey instrument to be repeatedly placed in the same position over a surveying marker point with sub- millimetre precision , by loosening and re-tightening a lock to adjust ...