An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. [1] The measurement of altitude is called altimetry, which is related to the term bathymetry, the …

altimeter, instrument that measures the altitude of the land surface or any object such as an airplane.

Mar 20, 2022 · Measuring the air pressure is therefore (in theory, at least) a simple and effective way of measuring altitude. The altimeters onboard most planes are actually aneroid barometers (pressure …

Oct 19, 2023 · An altimeter is a device that measures altitude, the distance of a point above sea level. Altimeters are important navigation instruments for aircraft and spacecraft pilots who monitor their …

Oct 22, 2024 · An altimeter is a device that measures altitude, meaning the vertical distance between a given point and certain fixed level. In most practical uses, this fixed level is sea level. Its use is …

Apr 25, 2025 · An altimeter is one of the most indispensable instruments in both aviation and geospatial science, responsible for measuring altitude —the vertical distance between a reference level, …

Nov 14, 2023 · Altimeters are instruments that perform a critical role in ensuring the safety of flights. The most commonly used is a pressure (barometric) altimeter.