Food processing industry
A closed-loop control system for plastic packaging detection.
Application in humid environments, such as bottle washers.
Automotive industry
Traffic control systems are used to detect the flow and speed of road vehicles.
As an anti-collision device for cars, they are installed at the front and rear corners of the car to detect obstacles.
A key component in the reversing assistance system to help drivers understand the surrounding obstacles.
Industrial field
Used to detect liquid levels, transparent objects and materials, control tension and measure distance.
Improve product quality and detect defects in process monitoring.
Medical field
Mainly used to diagnose diseases, and diagnose through the reflection principle of ultrasound in human tissue.

Specific application scenarios of ultrasonic sensors:
Food processing plants
Using ultrasonic sensors to monitor milk and rennet levels to help dairy plants produce cheese continuously.
Container status detection
Installed on the top of the plastic melt tank or plastic pellet chamber to analyze the status of the container, such as full, empty or half full.
https://www.renkeer.com/what-is-uv-sensor/