What Does a Manometer Measure?

Answer

A manometer is a device that is used to measure atmospheric pressure. It is normally U-shaped, and made of glass that is filled with some liquid. The liquid that is commonly used in a manometer is mostly mercury because of its high density.
2 Additional Answers
A Manometer is used to measure pressure, usually that in the atmosphere. A simple manometer is a U-shaped tube filled with mercury, with both ends of the device initially open to the atmosphere. Once exposed to the atmosphere, the left side is capped, trapping the atmospheric gas, cause the mercury on the right side to rise.
In working with various gases, a manometer is one of several types of a device which is used to measure the pressure that is created by or present with certain gases.
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