An altimeter, or altitude meter, is an instrument used to measure the altitude of an object relative to a fixed level. The measurement of altitude is called altimetry, which is related to the term bat
Digital barometric pressure sensor for altitude measurement in consumer electronic applications
The altimeter on this Piper PA-28 is seen on the top row of instruments, second from right.
Altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context
Altimeter
…An altimeter, or altitude meter, is an instrument used to measure the altitude of an object relative to a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the measurement of…
An airliner flying in the stratosphere where airliners typically cruise to reduce fuel consumption. The blue layer is the ozone layer, fading further to the mesosphere.