Dwyer Digihelic Differential Pressure Controller, Series DHII
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DHII-009

Series: Series DHII Digihelic Differential Pressure Controller Brand: Dwyer Instruments, LLC
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Specifications

Brand

Accuracy

  • ± 0.5 % at 25° C (77° F) Including Hysteresis & Repeatability, (After 1-Hour Warm-Up)

Adjustment Type

  • Field Adjustable

Approvals & Certifications

  • CE
  • UL

Compensated Temperature

  • 0° to 60° C (32° to 140° F)

Consumption

  • 132-240 Vdc, 7 VA, Max.
  • High Voltage Power = 100 to 240 Vac
  • Low Voltage Power = 24 Vdc - 130 mA - Max.

Display

  • 4-Digit Backlit LCD 0.6” Height. LED Indicators for Set Point & Alarm Status

Electrical Connectors

  • 1/2” Watertight Conduit
  • Euro Typical Removable Terminal Blocks with Watertight Conduit Fittings

Electrical Rating

  • 8 A at 240 Vac Resistive

Enclosure, Body Material

  • Aluminum, Glass

Environmental Protection

  • IP66
  • NEMA 4

Media

  • Air & Non-Combustible, Compatible Gases

NPT Connection

  • 1/8” NPT Female

Output

  • 4-20 mA DC Into 900 ohms, Max.

Power Requirement

  • 50/400 Hz or 132 to 240 Vdc
  • High Voltage Power = 100 to 240 Vac
  • Low Voltage Power = 24 Vdc ± 20 %

Response Time

  • 250 milliseconds (Dampening Set to 1)

Sensor Orientation

  • Mount Unit in Horizontal Plane

Set Point - Decreasing

  • Inches WC: -10 to 100

Set Point - Increasing

  • Inches WC: -10 to 100

Span & Zero Adjustments

  • Accessible Via Menus

Stability

  • < ± 1 % Per Year

Switch Type

  • 2 SPDT Relays

Temperature Range

  • 0° to 60° C (32° to 140° F)

Thermal Drift

  • 0.036/°C (0.020 %/°F) from 25° C (77° F)

Documentation

Approvals

Catalogs

Manuals

View Product Series

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