Mid-West Instrument Model 140 Convoluted Diaphram DP Gauge

Model 140 Delta Meter®

Differential Pressure Gauge - Diaphragm Type

Common Applications:

  • Filter/Strainer Monitoring
  • Compressed Air, Hydraulic, Refrigerant
  • Pump Performance Testing
  • Heat Exchanger Pressure Drop Monitoring
  • Water Treatment Applications
  • Tank Level Monitoring Horizontal or Vertical
  • Flow Monitoring & Balancing

Product Features:

  • DP Ranges from 0-25 PSID to 0-100 PSID
  • Elastomer Diaphragm Sensing Element,
    No Cross Port Leakage
  • Up to 3000 PSIG Working Pressure (200 bar)
  • Over-Range Protection,
    High over Low and Low over High
  • Gauge Housings available in Aluminum, Brass, 316/316L Stainless Steel and Acetal Plastic
  • Wide Range of Elastomers

Product Features/Benefits:

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

Special Features:

  • Over-range Protection Full to Maximum Working Pressure
  • Panel Mounting Standard, Front or Rear Panel
  • Pipe Mounting Kit Optional – 2″ U-Bolt
  • Wall Mounting Optional – Rear Mount
  • NACE Compliance Optional

Specifications:

  • DP Ranges from 0-25 PSID to 0-100 PSID
    Available in a Variety of Equivalent Ranges and/or Flow Scales (Square Root)
  • Accuracy ±2%* or ±5% of Full Scale
  • Dial Size 2-1/2″ Round (Standard), 4-1/2″ Round (Optional)
  • Working Pressure Alum and S.S.: 3000 P.S.I.G., Brass: 1500 PSIG
  • Material of Construction – Body: Aluminum, Brass, or 316 Stainless Steel
  • Materials of Construction – Internals: 316 Stainless Steel and Elastomer Diaphragm
  • Switch Options (Terminal Strip Interface):
    • 1 or 2 – SPDT 3W, 125 VAC/VDC, 0.25 amps
    • 1 or 2 – SPST (Normally Open) 25W, 240 VAC/VDC, 0.5 amps
  • Electrical Enclosures NEMA 4X and NEMA 7
  • CE Marked in Accordance With Low Voltage Directive CSA UL
  • Hazardous Locations:
    • Div I
    • Div II