DWYER – Series DHII Digihelic® Differential Pressure Controller

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Description

Series DHII Digihelic® Differential Pressure Controller

NEMA 4 (IP66) Housing with Large, Bright LCD, Square Root Output for Flow

The Series DHII Digihelic® Differential Pressure Controller takes all the features of the standard Digihelic® Pressure Controller and packages them in a robust NEMA 4 (IP66) housing.

The Digihelic® II Pressure Controller combines the 2 SPDT control relays, 4-20 mA process output and Modbus® communications with a large, brightly backlit 4 digit LCD display that can easily be seen from long distances. The electrical wiring has also been enhanced in the DHII with its detachable terminal blocks. The removable terminals allow the install to easily wire the terminal block outside the housing and then attach to the circuit board, reducing wiring difficulties and installation time on the process.

The Digihelic® II Differential Pressure Control in the NEMA 4 (IP66) enclosure enables this product to be the perfect choice when mounting pressure controls outdoors in such applications as rooftop air handlers. This housing also makes it the ideal solution for surface mounting in clean rooms or facilities where water or a cleaning solution is utilized in maintaining plant cleanliness.

NIST CALIBRATION available in Product Configurator.

 

Product Applications

  • Air Handlers
  • Clean Rooms

 

Models & Ordering

 

Standard Ranges

Model Description
DHII-002 Differential pressure controller, selectable engineering units: .2500″ w.c., 6.350 mm w.c., 0.635 cm w.c., 0.467 mm Hg, 0.623 mbar, 62.28 Pa, 0.623 hPa, 0.114 oz/in².
DHII-004 Differential pressure controller, selectable engineering units: 1.000″ w.c., 25.40 mm w.c., 1.868 mm Hg, 2.491 mbar, 249.1 Pa, 0.249 kPa, 2.491 hPa, 0.578 oz/in².
DHII-006 Differential pressure controller, selectable engineering units: 5.000″ w.c., .4167 ft w.c., 127.0 mm w.c., 12.70 cm w.c., .1806 psi, .3678″ Hg, 9.342 mm Hg, 12.45 mbar, 1245 Pa, 1.245 kPa, 12.45 hPa, 2.890 oz/in².
DHII-007 Differential pressure controller, selectable engineering units: 10.00″ w.c., .8333 ft w.c., 254.0 mm w.c., 25.40 cm w.c., .3613 psi, .7356″ Hg, 18.68 mm Hg, 24.91 mbar, 2491 Pa, 2.491 kPa, 24.91 hPa, 5.780 oz/in².
DHII-008 Differential pressure controller, selectable engineering units: 25.00″ w.c., 2.083 ft w.c., 635.0 mm w.c., 63.50 cm w.c., .9032 psi, 1.839″ Hg, 46.71 mm Hg, 62.27 mbar, 6227 Pa, 6.227 kPa, 62.27 hPa, 14.45 oz/in².
DHII-009 Differential pressure controller, selectable engineering units: 50.00″ w.c., 4.167 ft w.c., 1270 mm w.c., 127.0 cm w.c., 1.806 psi, 3.678″ Hg, 93.42 mm Hg, 124.5 mbar, 12.45 kPa, 124.5 hPa, 28.90 oz/in². NOTE: velocity & volumetric flow not available.
DHII-010 Differential pressure controller, selectable engineering units: 100.0″ w.c., 8.333 ft w.c., 2540 mm w.c., 254.0 cm w.c., 3.613 psi, 7.356″ Hg, 186.8 mm Hg, 249.1 mbar, 24.91 kPa, 249.1 hPa, 57.80 oz/in². NOTE: velocity & volumetric flow not available.

 

Bi-Directional Ranges

Model Description
DHII-012 Differential pressure controller, range 0-25-0-0.25″ w.c. NOTE: velocity & volumetric flow not available.
DHII-014 Differential pressure controller, range 1.0-0-1.0″ w.c. NOTE: velocity & volumetric flow not available.
DHII-015 Differential pressure controller, range 2.5-0-2.5″ w.c. NOTE: velocity & volumetric flow not available.
DHII-016 Differential pressure controller, range 5-0-5″ w.c. NOTE: velocity & volumetric flow not available.
DHII-017 Differential pressure controller, range 10-0-10″ w.c. NOTE: velocity & volumetric flow not available.

 

 

Additional information

Model

DHII-002, DHII-004, DHII-006, DHII-007, DHII-008, DHII-009, DHII-010, DHII-012, DHII-014, DHII-015, DHII-016, DHII-017

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