Model 522 OEM Diaphragm Type Differential Pressure Gauge & Switch

Brand: Mid-West Instrument

The Model 522 Differential Pressure Gauge & 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
  • Range: 0-5 psid (0-0.35 bar) thru 0-50 psid (0-3.5 bar)
  • Maximum static pressure 1,000 psig (70 bar)
  • Maximum over range differential pressure: 200 psid (14 bar) - high over low
  • Aluminum or 316/316L SS gauge body
  • Wetted 316 SS, Ceramic, & Acetal moving components
  • Available with buna or viton elastomers
  • Process Connections (End Connected) 1/8" or 1/4" Female NPT
  • Weather-resistant construction standard
  • Dial accuracy ±5% F.S. standard
  • 0.8” weatherproof multicolored Dial
  • 2-1/2" optional dial
  • Switch option: SPST 60 W, 240 Vac/Vdc, 3 amp

Specifications

Accuracy

  • ± 5 %

Approvals & Certifications

  • CE
  • CSA Class I, Div. 1, Groups B, C, D, Class II, Div. 1, Groups E, F, G, Class I, Div. 2, Groups A, B, C, D, Class II, Div. 2, Groups F, G
  • UL Class I, Div. 1, Groups B, C, D, Class II, Div. 1, Groups E, F, G, Class I, Div. 2, Groups A, B, C, D, Class II, Div. 2, Groups F, G

Enclosure, Body Material

  • 316 Stainless Steel
  • 316L Stainless Steel
  • Aluminum

Environmental Protection

  • IP65
  • IP66
  • NEMA 4X

NACE & NIST

  • NACE MR-0175

NPT Connection

  • 1/4” NPT Female

Pressure Type

  • Differential

Set Point - Decreasing

  • bar: 0 to 3.45
  • kPa: 0 to 344.7
  • psi: 0 to 50

Set Point - Increasing

  • bar: 0 to 3.45
  • kPa: 0 to 344.7
  • psi: 0 to 50

Switch Type

  • 1 - SPST 60 W, 3 A, 240 Vac/dc, Normally Open

System Pressure

  • bar: 0 to 69
  • kPa: 0 to 6,900
  • psi: 0 to 1,000

Temperature Range

  • -40° to 93° C (-40° to 200° F)

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