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Dwyer Instruments DH series differential pressure controllers 3 in 1 featuring a digital display gauge, control relay switches, and a transmitter with current output. DH controllers are ideal for pressure, velocity and flow applications, achieving a 0.5% full scale accuracy. The selection of pressure, velocity or volumetric flow operation is available in several commonly used engineering units. Two SPDT control relays with adjustable dead bands are provided along with a scalable 4 mA to 20 mA process output. Programming is easy using the menu key to access five simplified menus.
3 in 1 instrument . Velocity of flow mode. Square root output for actual flow curve. 120/220 V ac or 24 V dc . Secure menu program. Modbus communications
Minimum Operating Pressure = 0psi
Maximum Operating Pressure = 0.18 psi
Pressure Type = Differential
Suitable Media = Air, Non Combustible
Connection = NPT 1/8 in Female
Type = Pressure Transmitter
Voltage Rating = 12 - 28V ac/dc
Connection Thread Size = 1/8 in
Manufacturer Series = DH3
Contact Operation = SPDT