Product Name:DPS Series Digital Display Pressure Switch Product Model:DPHN3-01020 DPHN3-10020 DPHN3-01030 DPHN3-10030 DPHN3-01050 DPHN3-10050 Voltage:12~24 VDC Brand:AiRTAC Fluid: Non-corrosive gas Max Supply Pressure:DPSN1(P1)-01: 200kpa Proof Pressure: DPSN1(P1)-10: 1500kpa