Ambient: -40°F (-40°C) to 176°F (80°C) Power Requirement: 24 VDC, 15 Watts maximum; Output signals: Modbus RTU, 4–20 mA, and 0-10 KHz for flow rate indication. Digital communications: Modbus RTU. Proof Pressure 1.6 MPa, 230 PSIG. Display: Flow rate, Total flow, Temperature, and Density. Wiring connection to enclosure size: M20 x 1.5.