Model 522 Diaphragm Type Differential Pressure Gauge & Switch

Brand: Mid-West Instrument

Model 522 Differential Pressure Gauge and Switch is a compact, weather resistant gauge for challenging DP Applications and installations. 

It is suitable for use in outdoor and "Hose Down" applications. 

The Rolling Diaphragm Sensing Element isolates the high and low side.
Features
  • DP Ranges from 0-5 PSD to 0-50 psiD
  • Elastomer Diaphragm Sensing Element
  • Up to 1000 psiG working pressure (69 bar)
  • Maximum DP pressure: (high to low) 200 psiD
  • Gauge housings available in Aluminum, 316/316L Stainless Steel and Acetal Plastic
  • Buna-N and Viton Elastomers

Specifications

Accuracy

  • ± 5 %

Approvals & Certifications

  • CE
  • CSA
  • RoHS
  • UL

Diaphragm Material

  • Buna-N
  • Viton

Enclosure, Body Material

  • 316 Stainless Steel
  • 316L Stainless Steel
  • Acetal Plastic
  • Aluminum

Environmental Protection

  • IP65
  • IP66
  • NEMA 4X

NPT Connection

  • 1/4” NPT Female

Pressure Type

  • Differential

Seat / Seal Material

  • Seal: Buna-N
  • Seal: Viton

Set Point - Decreasing

  • bar: 0 to 3.5
  • kPa: 0 to 350
  • psi: 0 to 50

Set Point - Increasing

  • bar: 0 to 3.5
  • kPa: 0 to 350
  • psi: 0 to 50

Switch Type

  • SPDT 3 W, 125 Vac/dc, 0.25 A
  • SPST 60 W, 240 Vac/dc, 3 A

System Pressure

  • bar: 69
  • kPa: 690
  • psig: 1,000

Temperature Range

  • -40° to 93° C (-40° to 200° F)

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