Turck Uprox NI Series Factor 1 Inductive Proximity Sensor (NI8-M18-LIU). Sensing range 8mm. Patented Uprox+ technology provides equal sensing distance for all metals (steel, aluminum, copper, brass) — no reduction factor. Features IO-Link interface, LED status indicator, and IP67/IP68/IP69K protection. For reliable detection regardless of target material in automotive, food/beverage, and general industrial automation.