Indicating Differential Transmitter, Output 4 to 20mA DC, Maximum Pressure 0.5 in wc, Minimum Pressure -0.5 in wc, Overpressure 10 psi, Accuracy +/-1 Percent of Full Scale, Number of Wires 2, Power Required 10 to 35V DC, Process Connection Size 1/4 in, Process Connection Type Hose Barb, Series DM-2000, Electrical Connections Screw Terminals, NIST Traceable Certificate No, Display Type 3 1/2 Digit LCD, Housing Material Glass Filled Plastic Molded, Connection Location Side, Diameter 4.75 in