![Utube Manometer Principle](/3wzg0da/149.jpg)
Utube Manometer Principle
It is used to measure gauge pressure and are the primary instruments used in the workshop for calibration. The principle of the manometer is that the pressure to be measured is applied to one side of the tube producing a movement of liquid, as shown in figure above. It can be seen that the level of the filling liquid in the leg where the ...