The electronic distance measuring equipment is differentiated into three types as microwave instrument infra red equipment and light wave equipment.
Electronic distance measuring equipment.
The surveying equipment functions with the help of micro waves come under this category.
The resulting measurement is often shown on a digital screen on the device.
Edm instruments are highly reliable and convenient pieces of surveying equipment and can be used to measure distances of up to 100 kilometers.
Edm is commonly carried out with digital instruments called theodolites.
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Electronic tape measures emit a laser beam that is intended to strike an object at a distance.
The light from the laser bounces back to the device and the tool uses the time it takes for the light to return to calculate the distance that the laser traveled.