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Series DHC Digihelic® Differential Pressure Controller

Differential pressure controller, range 0.25 in w.c.

$514.00

Item# DHC-002

In stock

Lead Time (If not in stock): 4 weeks
Differential pressure controller, range 0.25 in w.c. DHC-002 DHC-002
  • One instrument saves inventory, installation time, and money with its measurement versatility and innovative 3-in-1 design
  • Measurement precision via full-scale accuracy of 1.5% or better on extremely low ranges, and 0.5% for ranges at or above 1
  • Safe and secure with security menu programming
  • Simplified field upgrade to DHC pressure controller with optional stainless steel bezel

DHC-002 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.

*Highlighted options are not compatible. Please select a different combination.

Pressure Range
Accuracy value
Pressure Type
Pressure Port Type
Pressure Port Size
Power Source
Accuracy Class
Number Of Digits
Electrical Output
Output Signal
Alarm Types (DC/AC)
Additional Features


  • Weight 8.8 oz (250 g).
  • Output Signal 4-20 mA (4-wire)
  • Pressure Limits Ranges > 1 in w.c.: 6 psi max operation
  • Service Air and non-combustible
  • Temperature Limits -4 to 158°F (-20 to 70°C).
  • Zero and Span Adjustments Accessible via menus.
  • Accuracy ±0.5% FSO for all ranges
  • Display Backlit LCD display
  • Electrical Connections 15 pin male high density D-sub connection. 18" (46 cm) cable with 15 conductors included.
  • Enclosure Rating NEMA 4X (IP66).
  • Mounting Orientation Not position sensitive.
  • Power Consumption 3 VA max.
  • Power Requirements 12-28 VDC or 12-28 VAC 50 to 400 Hz.
  • Size 5" OD (127 mm) x 1.9" (48 mm) deep.
  • Wetted Materials Consult factory.
  • Communication BACnet MS/TP or Modbus® RTU.
  • Device Load 1/8 unit load.
  • Compliance BTL
  • Housing Material Polycarbonate.
  • Process Connections 1/8" female NPT ports on side and back.
  • Response Time 400 ms (damping set to 0).
  • Supported Baud Rate 9600
  • Thermal Effects 0.02% FS / °F (.036% FS / °C).

The Series DHC Digihelic® Differential Pressure Controller is a 3-in-1 instrument possessing a digital display gage, control relay switches, and a transmitter with both current and voltage outputs. Combining these 3 features allows the reduction of several instruments with one product, saving inventory, installation time, and cost. The Series DHC Digihelic® differential pressure controller is the ideal instrument for pressure, velocity, and volumetric flow applications reading in several commonly used engineering units with optional unidirectional or bidirectional ranges. These units achieve a 1.5% or better accuracy on extremely low ranges, and 0.5% accuracy for ranges at or above 1 in w.c. Calibration can be performed in the field, making maintaining its accuracy more manageable. Additionally, the Series DHC Digihelic® differential pressure controller includes 2 SPDT control relays with adjustable deadbands. Programming the unit is simple using the built-in menu. With scalable 4-20 mA, selectable voltage process outputs, and selectable Modbus® or BACnet communication, this controller can easily fit into your application.

Product Applications

  • SCFM duct flow
  • Filter status
  • Duct or building static pressure
  • Damper and fan control
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