Industrial production storage tank height measurement is a big problem in production, it is subject to the storage tank material, color, rough or the impact of the environment, the general intelligent device is difficult to solve this problem, or the detection range of error is extremely large Resulting in production. SIKUN production of ultrasonic sensors a good solution to this problem. It is not subject to color, material, roughness, can be used in harsh environments, free from dust, fog, dirt. Helping the factory to carry out effective and accurate slot height detection.