Mid-West Instrument
Made in the USA
Tel: (586) 254-6500 · Fax: (586) 254-6509
6500 Dobry Dr., Sterling Heights, Michigan 48314
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Differential Pressure Piston Type Gauge & Switches - Model 120
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120AC_Frnt.jpg
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Literature Links

Product Bulletin Bulletin_120_11.pdf

Installation/Operation

Bulletin_IM120.pdf
IM120elec.pdf

Instrument Installation
Recommendations

install.pdf
Typical Manifold Installation

The Mid-West Advantage:

Model 120 "Filter Minder"
Common Applications
  • Filter/Strainer Monitoring
  • Compressed Air
  • Hydraulic
  • Refrigerant
  • Pump Performance Testing
  • Heat Exchanger Pressure Drop Monitoring
Product Features
  • DP Ranges from 0-5 PSID to 0-110 PSID
  • Piston Sensing Element
  • Working Pressures up to 6000 PSIG (400 bar)
  • Over-Range Protection, High over Low and Low over High
  • Gauge Housings available in Aluminum, Brass, 316/316L Stainless Steel, Aluminum Bronze and Monel
  • Wide Range of Elastomers
Product Features/Benefits
  • Simple Rugged Designs
  • Glass Reinforced Thermoplastic Gauge Front Is Standard
  • Weather Resistant & Corrosion Resistant Gauge Front
  • Shatter Resistant Lens
  • 5 Year Warranty

Specifications:

  • Differential Pressure Range 0-5 PSID to 0-110 PSID (0-0.35 to 0-7.0 bar)
  • Available in a Variety of Equivalent Ranges & Scales
  • Accuracy ±2%*
  • Operating Temp -40ºF to +200ºF (-40ºC to +93ºC)
  • Dial Size 2-1/2" Round (Standard), 3-1/2" Round (Optional), 4-1/2" Round (Optional)
  • Working Pressures up to 6000 PSIG
  • Material of Construction of Body - Aluminum, 316/316L Stainless Steel, Aluminum Bronze and Monel
  • Materials of Construction of Internals - 316 Stainless Steel (Standard) and Monel
  • Switch Options
    • SPDT 3W, 125 VAC/VDC, 0.25 amps
    • SPDT 60W, 240 VAC/VDC, 1.0 amps
    • SPST 60W, 240 VAC/VDC, 3.0 amps
  • Electrical Enclosures Weather-Resistant, NEMA 4X or NEMA 7
  • CE Marked in Accordance With Low Voltage Directive
  • Hazardous Locations

Special Features:
  • Over-range Protection Full to Maximum Working Pressure
  • Panel Mounting Standard
  • Pipe Mounting Kit Optional - 2" U-Bolt
  • Wall Mounting Optional - Rear Mount
  • NACE Compliance Optional
  • Seismic Compliance Contact Factory