A pressure switch is a type of switch that operates an electrical contact when liquid pressure is set at its inlet. Pressure switches are widely used in industry to automatically monitor and control systems that use pressurized fluids.
The pressure switch for measuring liquid pressure consists of a capsule, a Bourdon tube, a diaphragm, or a piston element that is deformed or displaced according to the pressure applied.
types of pressure switch are:
Slender pressure switch -Switch box -Differential pressure switch -Pressure gauge switch