The DW-AD-509-M18-325 is an M18 cylindrical inductive proximity sensor with a 3.25mm ultra-slim sensing range, flush-mountable stainless steel housing (IP67/IP69K), and dual NPN/PNP switchable outputs, engineered for precision detection of metallic targets in tight spaces, high-pressure washdown environments (e.g., food/beverage, pharmaceuticals), and applications requiring corrosion resistance and rapid response (≤0.3ms).