Dwyer Digihelic Differential Pressure Controller, Series AT2DH3
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AT2DH3-014-AB1OPVT2

Series: Series AT2DH3 ATEX/IECEx Approved DH3 Differential Pressure Controller Brand: Dwyer Instruments, LLC
Price
$788.00 CAD
Stock
50+ In Stock
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  • Pressure Range - Inches WC: 0.5 to 0 to 0.5
  • Cover - Blind
  • Process Connection - 1/8” Female NPT Brass Port
  • Overpressure Plug - Overpressure Relief Valve

Specifications

Brand

Accuracy

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

Adjustment Type

  • Adjustable Via Keypad on Face in Safe Zone Only

Approvals & Certifications

  • IECEx
  • ATEX

Compensated Temperature

  • 0° to 60° C (32° to 140° F)

Consumption

  • 3 VA, Max.

Cover Material

  • Blind Glass Top Cover

Display

  • Backlit 4-Digit LCD 0.4” Height LED Indicators for Set Point & Alarm Status

Electrical Connectors

  • 1/2” NPT Female (Cable Gland Not Included)
  • Screw Terminal

Electrical Rating

  • 1 A at 30 Vdc/Vac

Enclosure Finish

  • Texture Epoxy Coat RAL7038

Enclosure, Body Material

  • Aluminum
  • Die Cast Aluminum Case & Bezel

Environmental Protection

  • IP65

Media

  • Air & Non-Combustible Compatible Gases

NPT Connection

  • 1/8” NPT Female

Output

  • 4-20 mA DC Into 900 ohms, Max.

Power Requirement

  • 12-28 Vac, 50/400 Hz

Response Time

  • 250 milliseconds (Damping Set to 1)

Sensor Orientation

  • Mount Unit in Vertical Plane

Set Point - Decreasing

  • Inches WC: 0 to 100

Set Point - Increasing

  • Inches WC: 0 to 100

Size

  • Dial: 5” (127 mm) O.D. x 3-1/8” (79.38 mm)

Span & Zero Adjustments

  • Accessible Via Menus in Safe Zone Only

Stability

  • < ± 1 % Per Year

Switch Type

  • 2 SPDT Relays

Temperature Range

  • -60° to 60° C (-76° 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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