The Electronic Protractor: Who Uses It & Why

Written By Admin on Selasa, 26 Juli 2016 | 05.23

By Carey Bourdier


A protractor is a basic geometric tool to help take angle measurements. They exist in various forms from the simple plastic protractor for school pupils, to sophisticated digital protractors. An electronic or digital protractor is a kind of a protractor that uses a digital read out instead of reading from a scale. The angle is shown on the digital screen. Some of these look like the traditional bevel protractor but the more modern ones resemble small boxes that can just be placed on a surface to read an angle. Electronic protractors are also known as digital inclinometers or digital angle gauges.

If you are wondering how to use an electronic protractor there actually are two methods of taking measurement using the protractor. The horizontal measurement mode uses a horizontal surface as the base or zero angle. You set the protractor to "horizontal measurement mode" then place the protractor on the angled surface.

There also should be a mode called "relative measurement" and this can be used to help you measure more than one surface. You can measure one angle and then clear that reading and measure a second angle and the electronic protractor will remember both measurements to provide you the difference between these two angles. This can be important information for many professionals.

The electronic protractor is a handy gadget that has a wide range of uses in fields varied as land surveying, geophysics, civil construction and carpentry. For instance, one can use this device for measuring height of vertical objects such as buildings or trees by using trigonometry. You can also measure the angles of inclination or elevation for land mapping and measure angles of slope, incline and elevation for civil engineering projects such as the development of roads.

That's just the tip of the iceberg, though, as these also can be used by doctors to measure the movement of body parts. Astronomers can use an electronic protractor to measure star angles. People drilling a well might use a protractor to take a look at drilling angles. Even an Army sniper or a soldier learning to shoot from long distances from a target will need to calculate and measure angles, so a digital protractor might be the device of choice for these situations as well.

Electronic protractors are truly an essential tool for all sorts of professions. Without the digital protractor, work would be much harder for everyone from geophysicists to structural engineers to carpenters and much more. If you need precise measuring of angles for just about any purpose, using an electronic protractor is always a good idea.




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