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DHC-206 | Differential pressure controller | range ±2.5 in w.c. | Dwyer

Differential pressure controller, range ±2.5 in w.c.

Brand: DwyerSKU: DHC-206

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Differential pressure controller | range ±2.5 in w.c.

Series DHC Digihelic® Differential Pressure Controller

3-in-1 Differential Pressure Controller

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.

NIST CALIBRATION available in Product Configurator.

Product Applications

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

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 in w.c.
Safe and secure with security menu programming
Simplified field upgrade to DHC pressure controller with optional stainless steel bezel

Specifications

Series: DHC Digihelic® Differential Pressure Controller
Category/Type: Pressure
Type: Differential Pressure
Series: DHC Digihelic® Differential Pressure Controller
Service: Air and non-combustible; compatible gases.
Wetted Materials: Consult factory.
Housing Material: Polycarbonate.
Accuracy: ±0.5% FSO for all ranges; except 0.5 in w.c. @ ±1% FSO; and ranges at or below ±0.25 in w.c. @ ±1.5% FSO.
Stability: < ±1% / year FSO.
Pressure Limits: Ranges > 1 in w.c.: 6 psi max operation; 6 psi burst; Ranges ≤ 1 in w.c.: 3.6 psi max operation; 6 psi burst.
Temperature Limits: -4 to 158°F (-20 to 70°C).
Thermal Effects: .02% FS / °F (.036% FS / °C).
Power Requirements: 12-28 VDC or 12-28 VAC 50 to 400 Hz.
Power Consumption: 3 VA max.
Output Signal: 4-20 mA (4-wire); 0-10 V; 0-5 V; 1-5 V; and 2-10 V (4-wire).
Communication: BACnet MS/TP or Modbus® RTU.
Supported Baud Rate: 9600; 19200; 38400; 57600; 76800; 115200.
Device Load: 1/8 unit load.
Zero and Span Adjustments: Accessible via menus.
Response Time: 400 ms (damping set to 0).
Display: Backlit LCD display; LED setpoint indicators.
Electrical Connections: 15 pin male high density D-sub connection. 18" (46 cm) cable with 15 conductors included.
Process Connections: 1/8" female NPT ports on side and back.
Enclosure Rating: NEMA 4X (IP66).
Mounting Orientation: Not position sensitive.
Size: 5" OD (127 mm) x 1.9" (48 mm) deep.
Weight: 8.8 oz (250 g).
Compliance: BTL; CE.
SWITCH SPECIFICATIONS
Switch Type: 2 SPDT relays.
Electrical Rating: 1 A @ 30 VAC/VDC.
Set Point Adjustment: Accessible via menus.