Mid-West Instrument Model 140 Diaphragm Differential Pressure Gauge

The model 140 features a rugged convoluted diaphragm design, a glass-reinforced thermoplastic dial case, and is weather-resistant and corrosion-resistant.

Model 140 Differential Pressure Gauge Diaphragm Type
Model 140 Differential Pressure Gauge Diaphragm Type
Model 140 Differential Pressure Gauge Diaphragm Type
Model 140 Differential Pressure Gauge Diaphragm Type

Model 140 ”Delta Gauge” DP Gauge

Mid-West Instrument’s Model 140 is a diaphragm-type gauge with high accuracy for measuring differential pressure in a variety of applications. This model supports terminal strip interface, switches, and transmitters and comes with a 5-year warranty. The Model 140, with dial diameters ranging from 2-1/2″ to 6″ and working pressures of up to 3000 PSIG, is ideal for filter monitoring, pump performance testing, tank level monitoring, and flow monitoring. It is intended to meet the stringent requirements for differential pressure measurement with precision and reliability.

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Specifications

  • DP Ranges from 0-16 kPa to 0-700 kPa
    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 
  • Hazardous Locations:
    • Div I
    • Div II

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 0-16 kPa to 0-700 kPa
  • 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

DOWNLOAD OUR MODEL 140 CATALOG DATASHEET.

140CAT

DOWNLOAD OUR MODEL 140 ELECTRICAL DATASHEET.

140ELE

INTERESTED OR HAVE QUESTIONS? GET IN TOUCH WITH US NOW!

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