Radar Level Transmitter And Ultrasonic Level Meter: Differences in Measurement Principles And Applications

In the field of liquid level gauges, ultrasonic liquid level gauges and radar level gauges are two commonly used products. There are certain differences in the working principles and application scenarios of ultrasonic level gauges and radar level transmitters. Radar level gauges mainly rely on the dielectric constant of the material being measured for measurement, while ultrasonic level gauges measure based on the density of the material being measured.

Since the working principle of radar level transmitter is to use electromagnetic waves and does not require a propagation medium, it can be used in high-pressure process tanks, while the ultrasonic level transmitter requires a propagation medium, so its application is in situations of high pressure or negative pressure. restricted.

In addition, the measurement range of radar level gauge is much larger than that of ultrasonic level gauge, and it comes in various forms such as horn type, rod type, cable type, etc., and can be applied to more complex working conditions. However, relatively speaking, radar level gauges have higher accuracy and are relatively more expensive. When using a radar level meter, you also need to consider the dielectric constant of the medium, while the ultrasonic level meter cannot be used in working conditions such as vacuum, excessive vapor content, or foam on the liquid surface.

The working principles of radar level transmitters and ultrasonic level gauges have their own advantages and disadvantages in different situations. Users need to make reasonable choices based on actual needs when choosing.