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DH DIGIHELIC® Differential Pressure Controller

Differential pressure controller, selectable engineering units: 5.000" w.c., 12.45 mbar


Item# DHII-006

In stock

Lead Time (If not in stock): 5 weeks
Differential pressure controller, selectable engineering units: 5.000" w.c., 12.45 mbar DHII-006 DHII-006
  • NEMA 4 housing enables a range of uses both outdoors or indoors where water is present
  • Large backlight LCD display provides local reading from a distance
  • Detachable terminal blocks reduce wiring difficulties saving installation time

DHII-006 Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

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Pressure Range
Pressure Type
Pressure Port Type
Pressure Port Size
Power Source
Accuracy Value
Accuracy Class
Electrical output
Output Signal
Alarm Types (DC/AC)
Additional Features

  • Stability < ±1% per year.
  • Weight 2 lb 10 oz (1.19 kg).
  • Output Signal 4-20 mA DC into 900 Ω max.
  • Pressure Limits Ranges ≤ 2.5 in w.c. = 2 psi; 5": 5 psi; 10": 5 psi; 25": 5 psi; 50": 5 psi, 100": 9 psi.
  • Service Air and non-combustible, compatible gases.
  • Temperature Limits 32 to 140°F (0 to 60°C).
  • Thermal Effect 0.020%/°F (0.036/°C) from 77°F (25°C).
  • Zero and Span Adjustments Accessible via menus.
  • Accuracy ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warmup).
  • Display 4 digit backlit LCD 0.6" height. LED indicators for set point and alarm status
  • Electrical Connections Euro type removable terminal blocks with watertight conduit fittings for 1/2" watertight conduit.
  • Enclosure Rating Designed to meet NEMA 4 (IP66)
  • Mounting Orientation Mount unit in horizontal plane.
  • Power Consumption Low voltage power = 24 VDC - 130 mA max; High voltage power = 100 to 240 VAC, 132 to 240 VDC - 7 VA max.
  • Power Requirements High voltage power = 100 to 240 VAC, 50 to 400 Hz or 132 to 240 VDC; Low voltage power = 24 VDC ±20%.
  • Compliance CE, UL.
  • Housing Material Aluminum, glass.
  • Response Time 250 ms (dampening set to 1).
  • Compensated Temperature Limits 32 to 140°F (0 to 60°C).
  • Serial Communications Modbus® RTU, RS485, 9600 Baud.
  • Pressure Connections 1/8" female NPT.

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.


  • Air Handlers
  • Clean Rooms
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