Dwyer Pressure Switch, Series 1900
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3927

Series: Series 1900 Compact Low Differential Pressure Switch Brand: Dwyer Instruments, LLC

DWYER Differential Pressure Switch, Range 3.0-11.75" W.C., Approximate Deadband @ Min. Set Point 0.40, Approximate Deadband @ Max. Set Point 0.40.

Price
$488.00 CAD
Stock
50+ In Stock
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Specifications

Brand

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • CE
  • CSA
  • FM
  • UL

Deadband, Approximate

  • Inches WC: 0.04 to 0.50

Diaphragm Material

  • Buna-N
  • Fluoroelastomer

Electrical Connectors

  • 3 Screw Typical
  • Common

Electrical Contacts

  • Gold
  • Normally Closed
  • Normally Open
  • Silver

Electrical Rating

  • 15 A at 120-480 Vac, 60 Hz Resistive 1/8 hp at 125 Vac, 1/4 hp at 250 Vac, 60 Hz Derate to 10 A for Operation at High Cycle Rates

Enclosure, Body Material

  • 16 Ga. Steel Enclosure - Weatherproof
  • Cast Iron Base with Aluminum Cover - Explosion-proof

Environmental Protection

  • IP66
  • IP54
  • NEMA 3
  • NEMA 4
  • NEMA 7
  • NEMA 9

NPT Connection

  • 1/8” NPT Female

O-Ring Material

  • Buna-N
  • Fluoroelastomer

Operating Temperature

  • -34° to 82° C (-30° to 180° F)

Set Point - Decreasing

  • Inches WC: 0.07 to 20

Set Point - Increasing

  • Inches WC: 0.07 to 20

Switch Type

  • SPDT

System Pressure

  • bar: 0.68
  • kPa: 68.95
  • psig: 10

Temperature Range

  • -34° to 82.2° C (-30° to 180° F) (32° F for Non-Dry Air)

Documentation

Approvals

Catalogs

Manuals

View Product Series

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