The Balluff BES05KP (BES M12ME-PSC40A-S04G-W08) is a rugged inductive proximity sensor designed for magnetic field-resistant and weld-spatter-intensive environments. Featuring Factor 1 technology for consistent sensing across all metals, this M12x1 cylindrical sensor offers a 4 mm flush-mountable sensing range and a PNP normally open output. With a durable PTFE-coated brass housing, IP68 protection, and a wide operating temperature range from -40°C to 85°C, it ensures reliable performance in harsh industrial conditions, making it ideal for welding, automation, and metalworking applications.