Mid-West Instrument Type 120 Differential Pressure Switches

Cost Efeective, Simple, rugged, compact design
  • Over-range protection to max pressure
  • Hermetically sealed switches
  • Weatherproof rated to NEMA 4X/IP65
  • Operating Temp -40 to 200° F (-40 to 93°C)
  • ±2% Accuracy Full Scale Ascending
  • Five year Limited Warranty
Mid-West differential pressure indicating switches are designed to measure pressure drop across Filters, Strainers, Separators, Valves, Pumps, Chillers, etc. as well as for local flow indication and control. Basic gauge function is to measure the difference in pressure between two points in a system, the differential pressure results are displayed on the gauge dial.

$258.00 - $292.00USD / Each

2 variations of this product are available.

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Compareitem specifications
Accuracy Max Pressure (PSI) Resolution
Availability Pricing
Mid-West Instrument 120-AA-00-O(AA)-30P Piston Type Differential Pressure Switch, 30 psi, Al, Grommet EW-68404-45 Mfr # 120-AA-00-O(AA)-30P
±2% full-scale (ascending)
$258.00USD / Each
Mid-West Instrument 120-AA-00-O(CA)-30P Piston Type Differential Pressure Switch, 30 psi, Al, 1/4" NPT EW-68404-55 Mfr # 120-AA-00-O(CA)-30P
±2% full-scale (ascending)
$292.00USD / Each
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