BES High Pressure 3-Wire M12 Inductive Proximity Sensor This range of M12 cylindrical inductive proximity sensors from the BALLUFF BES series are designed to with stand pressures up to 500 bars and are perfect to be used in a wide vareity of metal detection applications with in high pressure industrial environments. Pressure resistant up to 500 Bars Pre cabled or connector Flush shielded or non-flush unshielded 3 wire DC configuration