Pressure transmitter, Model: DMP 457, Model: DMP 457 (Marine Approved Pressure Transmitter), Pressure Range: 0 ... 600 bar, Output Signal: 4 ... 20 mA (standard 2-wire), Supply Voltage (Vs): 8 ... 32 VDC, Precision: 0.35% FSO (standard), Body Material/Diaphragm: Stainless steel (specifically 1.4404 or 316L for wetted parts), Process Connection: G1/2" DIN 3852 (100 mbar and up, likely for this range)