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Industrial level sensors can be divided into two categories - point level measurement and continuous level measurement
1. Point liquid level measurement: capacitance, photoelectricity, conductivity, vibration, float switch
2. Continuous liquid level measurement: ultrasonic, radar
Photoelectric liquid level sensor is a sensor widely used in various industrial situations. It is mainly used to measure the level of liquids and convert these measurement results into electrical signal output. The photoelectric liquid level sensor realizes liquid level detection through the photoelectric principle. Its working principle is very simple but very effective.
The working principle of the photoelectric liquid level sensor is based on the principle of reflection and refraction of light. It usually consists of a light source and a receiver. The light source emits rays, and when these rays encounter the liquid, they are reflected and refracted. A receiver picks up these reflected and refracted rays and converts them into electrical signals. By measuring the intensity of the received reflected and refracted light, the level of the liquid can be determined.
Photoelectric liquid level sensors have a wide range of applications. They are often used for level monitoring of various liquids, including water, oil, chemicals, etc. Photoelectric liquid level sensors can be used in many industries such as petrochemical, environmental protection, food processing, and medicine. They ensure accurate control of liquid levels during production, thereby improving the efficiency and safety of industrial production.
Advantages of photoelectric liquid level sensor:
1. Very accurate and reliable. By taking advantage of the properties of light for measurement, accurate liquid level data can be obtained.
2. The photoelectric liquid level sensor is very sensitive. They are able to detect small changes in liquid level and output them in the form of electrical signals.
3. The photoelectric liquid level sensor also has a long service life and high reliability, and is suitable for industrial applications in various harsh environments.
