The UM18-211161102 is an ultrasonic angular range sensor manufactured by SICK. It has a sensing range of 30-250mm, a PNP / NO / NC connection, and comes with 4 PINs. The sensor offers reliable, high-accuracy object detection, and it is suitable for a wide range of applications in industrial automation such as distance and level detection. The sensor features a robust IP67-rated metallic housing and is equipped with the latest generation ultrasonic transducers and high-performance digital signal processing (DSP) for an accurate and reliable response to objects. It is suitable for use in extreme environmental conditions, such as high and low temperatures, including hygienic applications.