Non-Contact Liquid Level Sensor

From the shop's description

Non-contact liquid level sensor can be used to provide external monitoring in liquid non-metallic material tubes, pipes and tanks such as plastic, glass, fiber-glass and ceramics. The thickness of the tube/pipe/tank/container should be less than 10mm. It is easy to use as a led is on when the liquid level reached and voltage is detected from sensor output. The contactless liquid level sensor can be used in household appliances products, drinking and cleaning water and water treatment equipment, medical treatment and foodstuff mechanism equipment, chemical mechanism equipment and so on. Specifications Working Voltage: DC 5-24V Maximum Output: 30mA Response Time: 0.5 Sec Dimensions: 34mm x 18mm x 10mm Cable Length: 400mm