Mid-West Instrument
Tel: (586) 254-6500 · Fax: (586) 254-6509
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Differential Pressure Diaphragm - Type Gauge & Switch - Model 142 Delta Meter
Model 522 Delta Meter Model 522 Delta Meter Model 522 Delta Meter
Literature Links

Product Bulletin

Bulletin_522_11.pdf

Installation/Operation

IOM_522_std.pdf

Instrument Installation
Recommendations

Install.pdf
 Typical Manifold Installation

The Mid-West Advantage:
Model 522
Common Applications
  • Filter/Strainer Monitoring
  • Compressed Air, Hydraulic, Refrigerant
  • Pump Performance Testing
  • Heat Exchanger Pressure Drop Monitoring
  • Water Treatment Applications
Product 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
Product Features/Benefits

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.

  • Simple Rugged Designs
  • Glass Reinforced Thermoplastic Gauge Front Is Standard
  • Weather Resistant & Corrosion Resistant Gauge Front
  • 5 Year Warranty

Specifications:

  • Differential Pressure Range 0-5 PSID to 0-50 PSID
    Available in Dual Scale PSID/bar and PSID/kPa
  • Accuracy ±5% of Full Scale (Acending)
  • Dial Size 2-1/2" Rd. (Standard)
  • Working Pressure:
    • 1000 PSI (69 bar) for Aluminum & Stainless Steel
    • 500 PSI (34.5 bar) for Acetal
  • Proof Pressure:
    • 2000 PSI (138 bar) for Aluminum & Stainless Steel
    • 1000 PSI (69 bar) for Acetal
  • Material of Construction – Body Aluminum, 316 Stainless Steel, or Acetal
  • Maximum Differential Pressure:
    (Hi to Low) - 200 PSID (13.8 bar)
  • Materials of Construction - Internals 316 Stainless Steel and Elastomer Diaphragm
  • Switch Option
    DIN 43650/IP65/NEMA 4X Plug-in Connector
    • 1 - SPST 60W, 3 amps, 240 VAC/VDC
  • CE Marked in Accordance With Low Voltage Directive

Special Features:

  • Standard: Panel Mounting, Front or Rear Panel
  • Optional: (2) 10-32 Mounting Holes on back of gauge body - 1.75" Apart x .330" Depth
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*(ASME B 40.100 Accuracy Grade B)