The UA18CAD04PPM1TI is a self-contained multi-function diffuse ultrasonic sensor designed for level control and distance measurement applications. It features a rated operating distance of 50–400 mm with a blind zone of =50 mm, dual PNP digital outputs, and a beam angle of ±8°. The sensor operates on 15–30 VDC with a no-load supply current of =45 mA, offers repeatability of 0.5%, and includes adjustable hysteresis and normal switching modes configurable via teach-in buttons. Its robust one-piece PBT cylindrical M18 housing with IP67 protection, M12 4-pin connector, and microprocessor-controlled digitally filtered electronics make it ideal for industrial level monitoring, filling/emptying control, and precision distance measurement in vessels and containers.