eddy-current sensor outstanding body-to-stroke ratio half-bridge sensor with sleeve core stroke range 60 … 1000 mm pressure resistant up to 320 bar WA: +/-15 VDC / 4 … 20 mA / 4-wire WE: +/-15 VDC / +/- 10 V / 4-wire WI: 20 … 30 VDC / 4 … 20 mA / 2-wire sensor body in pressurized area 4-hole flange