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An aneroid barometer is a scientific instrument that is used for predicting the weather by detecting changed in altitude. For process this method, it monitors changes in atmospheric air pressure.
Posted by Tradeindia user (12-08-2020)
An aneroid barometer has sealed and air-tight metal box inside. When air pressure falls or rises, the box flexes outward or squashes inward which prompt a spring attached to it to contract or expand in response to the air pressure change which force pointer on the dial to move. The dial is marked with numbers to determine the air pressure instantly.
The most common liquid used is mercury, however, there are different options of liquids that can be used in an aneroid barometer.
