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Series DHC Digihelic® Differential Pressure Controller
Differential pressure controller, range 0.5 in w.c.
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- 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-003 Model Options
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*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
Rated 4 out of
5
by
JustinG from
Replacement controller
Recommended replacement for obsolete instrument. Arrived promptly and in good condition.
Date published: 2024-08-12
