Indicating Differential Transmitter Output 4 to 20mA DC Maximum Pressure 2 in wc Minimum Pressure 0 in wc Overpressure 2 psi Accuracy +/-0.5 Percent (Electrical) +/-2 Percent (Mechanical) Number of Wires 2 Power Required 10 to 35V DC Process Connection Size 1/8 in Process Connection Type NPT Process Connection Gender Female Series Magnehelic 605 Electrical Connections Screw Terminals NIST Traceable Certificate No Display Type Analog Connection Location Back Side Diameter 5.5 in