PHT-RB4X0S520S0VMZ0Z, Pressure type: gauge pressure, Pressure unit: bar, Measuring range pressure: 0 bar ... 4 bar, Process connection: Conical coupling (DIN 11851) DN 25 with union nut, Seal: without seal, Connection type: M12 round connector x 1, 4-pin, Enclosure rating: IP67, Supply voltage: 14 V