The main advantage with laser tape measures is the speed at which they work. They have a range up … They need only to be placed in one area and faced toward a hard surface of another area to correctly gauge a distance. DR is achieved using either of two EDM technology methods: Time of Flight (Pulsed Laser) or Phase Shift. Surveying Equipment, Measurements and Errors 3.1 EQUIPMENT The procurement and maintenance of surveying equipment, tools and supplies are important parts of the Department’s survey effort. The downside to laser tape measures is that … It also consists of a micro … Bahuguna**, Dheeraj Kumar**, Sunil Kumar*** *Associate Professor, ** Sr. When direct reflex combines with robotic technology, the possibilities for one-person surveying increase even further. Hopefully, the myth has been dispelled and I have captured your attention. An electrical or electronic signal can be amplified, filtered, multiplexed, sampled and measured. 3. 1.8.3. The next article will cover each step of the computation to reduce an EDM measured distance to the corresponding grid length. opens new possibilities for one-person surveying, increased productivity, and improved personal safety. Definition of Traverse: – Traverse is the method of control survey in providing horizontal and vertical controls along a pre-defined route by means of establishing a series of connected lines joining the traverse stations. You will see how the elevation and the scale factor are used in the … MODERN SURVEY INSTRUMENTS AND THEIR USE IN MINE SURVEYING P.P. 2. The exploitation of electronic distance meters (EDM) in surveying practice, their rapid development in terms of construction, especially concerning the range and accuracy of measured distances, has led to the formation of a range of new methods and procedures in the area of measurement processing. Advantages and disadvantages of online survey methodology are reviewed. Advantages of Electronic Measurement The advantages of an electronic measurement are 1. Lecturer, ** Senior Technical Assistant Department of Mining Engineering, Indian School of Mines, Dhanbad - 826004 ABSTRACT Although surveying techniques have … Total Station is an equipment used in surveying, designed for measuring horizontal and vertical angles, inclusive of measuring sloping distance of object to the instrument.It is a combination of electronic theodolite and electromagnetic distance measuring (EDM) instrument. Control Survey / Traverse: It is similar to any type of EDM Traverse. Depending on the type, laser tape measures can also work with much longer distances. This has become possible because of introduction of electronics in these measurements. Proper care in the use, storage, transportation and adjustment of the equipment is a major factor in the successful completion of a survey. 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