German PIL; The company was founded in 1990 and has been dedicated to the research and production of industrial ultrasonic distance sensors for over 20 years. It is a world-renowned enterprise specializing in the production of ultrasonic sensors. In 1990, the management acquired (MBO) Honeywell's ultrasonic sensor division and established PIL, a German company, to supply ultrasonic sensors to Honeywell. The German PIL ultrasonic sensor can measure various forms of objects, such as solids, liquids, and powders. It can accurately identify various materials and colors, as well as transparent materials and films, and even fine lines. PIL ultrasonic sensors have functions such as counting, detecting presence and absence, and detecting material level. It can work normally even in harsh industrial environments and can detect through polluted air and water mist, even if there is thin dust on the sensor