Dwyer Series DH3 Digihelic 3 Differential Pressure Controllers DH3-002

Dwyer Series DH3 Digihelic 3 Differential Pressure Controllers DH3-002,
The Series DH3 Digihelic® 3 Differential Pressure Controllers are 3-in-1 instruments
possessing a digital display gage, control relay switches, and a transmitter with
current output all packed in the popular Photohelic® gage style housing. Combining
these 3 features allows the reduction of several instruments with one product, saving
inventory, installation time and money. The Digihelic® controller is the ideal instrument
for pressure, velocity and flow applications, achieving a 1% full-scale accuracy on
ranges down to the extremely low 0.25 in w.c. to 2.5 in w.c. full-scale. Ranges of 5 in
w.c. and greater maintain 0.5% FS accuracy. Bi-directional ranges are also available.
The Series DH3 Digihelic® controller allows the selection of pressure, velocity or
volumetric flow operation in several commonly used engineering units. 2 SPDT control
relays with adjustable deadbands provide along with a scalable 4 to 20 mA
process output.