Theodolite Surveying Instrument

Product Details : 

We are engaged in offering theodolite that is a surveying instrument, used for measuring horizontal and vertical angles. These it consists of sighting telescope mounted on them so that these are free to rotate around horizontal & vertical axis and has graduated scales so that the angles of rotation maybe. Theodolite records the elevation angles and azimuths of the balloon and then that data at the end of the flight which may last for more than an hour are plotted to a plotting board. Further, the wind speed and direction at selected levels are calculated either by trigonometric methods or graphical methods.