What is a Manometer?

A manometer is a device in which columns of liquid are used to measure the pressure. Typical liquids used are mercury or water.

The Manometer used to measure low pressure, vacuum pressure and differential pressure.

The Manometer is easy to construct.  It gives a precise measurement with little scope for errors unlike other instruments.

It also enables the measurement of negative pressure.

There are different types of manometers.  Some of the types are

U tube manometer
Differential manometer
Piezometer tube
Inverted U tube manometer
Inclined Manometer