Non contact liquid level sensors are widely used in various industries such as petrochemicals, water treatment, food and beverage, pharmaceuticals, and warehousing. They can be used to monitor the liquid level in containers such as storage tanks, pipelines, reactors, etc., to ensure that materials are within safe levels. In addition, non-contact liquid level sensors can also be used for various functions such as flow control, pump start stop control, overflow warning, etc. These sensors use capacitive sensing technology to efficiently detect changes in liquid level. By measuring the difference in capacitance values between liquid and air states, they accurately determine the presence or absence of liquid, thereby achieving reliable liquid level monitoring and control. The advantages of non-contact liquid level sensors lie in their convenient installation method, accurate liquid level detection capability, and adaptability to various liquids, making them an indispensable key technology in modern industrial and consumer electronics devices. ‌

Specifically, the application scenarios of non-contact liquid level sensors include but are not limited to:

Petrochemical industry: used to monitor the liquid level in storage tanks to ensure production safety. ‌
Water treatment: Monitor the water level in water treatment equipment to ensure the efficiency and quality of the water treatment process. ‌
Food and beverage industry: used to monitor the liquid level in beverage machines, water tanks, and other equipment to ensure the normal production and supply of products. ‌
Pharmaceutical industry: Applied in liquid level monitoring of pharmaceutical equipment to ensure the safety and quality of drug production. ‌
Storage: Used to monitor liquid goods in the warehouse and ensure safe storage of goods. ‌

In addition, non-contact liquid level sensors also have the characteristics of fast response speed, high accuracy, and small size, making them suitable for installation in devices with limited space, such as water dispensers, hand sanitizers, humidifiers, etc. They are also widely used in applications that require high-precision liquid level control, such as medical equipment and printers. With the continuous advancement of technology and the expansion of application scope, it is believed that such sensors will continue to play an important role in the future and bring more convenience and efficiency improvement possibilities to various industries. ‌

Liquid Level Sensor Products

FBelec liquid level sensors and switches provide high-reliability monitoring and detection of a wide range of fluid media. Requirements can range anywhere from the sensing of cooking oil, to hydraulic fluids, to diesel fuel tanks, to water and wastewater, to biohazards, to even deionized or potable water.

To effectively address such a wide variety of measurement challenges, FBelec offers a broad range of contact, non-contact, and non-intrusive liquid level switches and sensors. These are available in multiple technology types, including reed switch-based floats, solid-state electro-optical, conductivity, capacitive, ultrasonic, and piezo-resonant. Multiple liquid level sensing technologies may also be incorporated within a single application. Sometimes, more than one “best fit” solution may also exist, with the ultimate decision simply a matter of customer preference.

Standard catalog products for liquid level sensing include single point level switches, continuous level transmitters, multi-point level switches, Ultrasonic liquid level sensor, and visual level indicators, Wireless liquid level sensor,Detailed specifications on these and other liquid level sensors and switches may be found in the links below.

Please consult our fully digital online standard product catalog for an up-to-date listing of available models for immediate customer shipment.