Aneroid Barometer is a scientific instrument that is used to measure atmospheric pressure (with the change of the distance below and above sea level). It is also names as barometric pressure.
Barometer is kept at the same level and can measures easily the pressure changes by weather and different causes of weathers.
Measuring air pressure using these instruments the usage of liquid is not required.
The instrument is designed with a small metal box named as Aneroid cell (Capsule) it is designed from alloy of Beryllium and Copper.
This expansion and contraction procedure drives mechanical levers i.e. the tiny movements of this capsule are amplified and are displayed on the screen of measuring barometer.
It is also used in different meteorology, in barographs and to create pressure in radiosonde.
Aneroid barometer is highly a sensitive instrument and can be used to record small changes in pressure.
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