Series DX Wet/Wet Differential Pressure Switch

Brand: Dwyer Instruments, LLC

The Series DX is a differential pressure switch that makes a contact output based on the differential between two pressure sources.

Wetted materials of brass and fluoroelastomer are suitable for use with most gases and water based solutions.

The switch can be used for low differential pressure indication with set point on a decrease of pressure as low as 1 psid (0.07 bar). Differential set point ranges are available from 2.5 to 75 psid (0.17 to 5.17 bar) on increasing differential pressure and 1.0 to 67 psid (0.07 to 4.62 bar) on decreasing differential pressure.

Unit features a high static pressure rating of 200 psig (13.8 bar). Weatherproof, UL type 4X, enclosure for dust laden, outdoor, or wash-down installation environments.

Externally adjustable set point, integral mounting flange and a removable electrical terminal block for quick and easy installation.
Features
  • Differential pressure switch that is suitable for most gas and water-based applications allows multiple uses in the most sophisticated designs
  • Weatherproof housing provides protection in the harsh, wet or dirty environments ensuring switch's long-service life
  • Removable terminal block reduces installation time

Specifications

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Approvals & Certifications

  • CE
  • UL

Deadband, Approximate

  • bar: 0.103 to 0.552
  • kPa: 10.34 to 55.16
  • psid: 1.5 to 8

Diaphragm Material

  • Fluoroelastomer

Electrical Connectors

  • Removable Terminal Block

Electrical Rating

  • 5 A at 125/250 Vac
  • 5 A at 30 Vdc

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • IP65
  • IP66
  • NEMA 4X / IP66

NPT Connection

  • 1/4” NPT Female

Operating Temperature

  • -1° to 60° C (30° to 140° F)

Process Connection Material

  • Brass

Set Point - Decreasing

  • bar: 0.069 to 4.619
  • kPa: 6.895 to 461.9
  • psid: 1 to 67

Set Point - Increasing

  • bar: 0.172 to 5.171
  • kPa: 17.24 to 517.1
  • psid: 2.5 to 75

Standard Features

  • Weatherproof

Switch Type

  • SPDT

System Pressure

  • bar: 13.79
  • kPa: 1,379
  • psig: 200

  • Indicating Filter Condition
  • Proof of Flow Indicator Monitoring
  • Proving Flow Through a Pump
  • Proving Flow Through a Chiller
  • Proving Flow Through a Heat Pump or AC Unit
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