The CONTRINEX DW-AD-501-M8 is a tubular inductive proximity sensor with an 8mm diameter and 45mm body length, featuring a chrome-plated nickel silver housing. This NPN sensor provides normally open (N.O.) output with a 3mm sensing distance in semi-flush mounting configuration. It operates at 1 kHz switching frequency and meets IP67 protection standards, equipped with a pigtail connection.