kõrgusandur

Kõrgusandur, also known as an altimeter, is an instrument used to measure altitude. It determines the height of an object above a fixed level, typically sea level or the ground. There are several types of kõrgusandurid, each operating on different principles. Barometric altimeters are the most common and work by measuring atmospheric pressure. As altitude increases, atmospheric pressure decreases, and the altimeter is calibrated to translate this pressure change into a corresponding altitude reading. Another type is the radar altimeter, which uses radio waves to measure the distance to the ground directly beneath an aircraft or other vehicle. These are particularly useful for low-altitude flying and landing. GPS altimeters utilize the Global Positioning System to determine altitude by calculating the user's position in three dimensions. Kõrgusandurid are essential instruments in aviation for navigation and safe flight operations, as well as in mountaineering, surveying, and even in some personal electronic devices for tracking elevation changes. The accuracy and range of a kõrgusandur depend on its type and intended application.