The Omron E3ZM-R86 is a compact photoelectric sensor from the E3ZM Series, featuring a stainless steel housing (SUS316L) specifically designed for the food and beverage industry . It uses a retro-reflective sensing method with M.S.R. (Mirror Surface Rejection) function, with a sensing distance of 100 mm to 4 m when using the E39-R1S reflector .