Flow Switch Symbol

Principle of Flow Switch

A flow switch is one detecting the flow of some fluid through a pipe. Flow switches often use “paddles” as

Temperature Switch Symbol

Temperature Switch Principle

A temperature switch is one detecting the temperature of some substance. Temperature switches often use bimetallic strips as the temperature-sensing

Capacitive Level Switch Principle

Capacitive Level Switch Principle

Another electronic liquid level switch technology is capacitive: Sensing level by changes in electrical capacitance between the switch and the

Pressure Switch Construction

Basics of Pressure switches

A pressure switch is one detecting the presence of fluid pressure. Pressure switches often use diaphragms or bellows as the

Limit Switch Schematic

Basics of Limit switches

A limit switch detects the physical motion of an object by direct contact with that object. An example of a