Sliver Liquid Float Switch Water Level Sensor, For Industrial, Cable Length : 30 Mm

The float switch is a device used to detect the level of liquid in the tank, it can start pumps, indicators, alarms or other devices.
The sensors are usually mounted in the bottom or in the lid of the liquid container also can control the upper and lower fluid level. The sensor has a float with a built-in magnet, liquid buoyancy moves the float over the tube, which causes the opening or opening of the built-in reed switch.