Product Name:DPH Series Digital Display Pressure Switch Product Model:DPHP3-01020 DPHP3-10020 DPHP3-01030 DPHP3-10030 DPHP3-01050 DPHP3-10050 Voltage:12~24 VDC Brand:AiRTAC Fluid: Non-corrosive gas Max Supply Pressure:DPSN1(P1)-01: 200kpa Proof Pressure: DPSN1(P1)-10: 1500kpa