Mid-West Instrument
Mid-West Instrument is a manufacturer of differential pressure gauges and
switches, pulsation snubbers, pressure limiting valves, pitot tubes and flow
elements, and backflow prevention test kits. Lesman is an authorized
representative for Mid-West products in Northeastern Illinois, Northwest
Indiana, Eastern Wisconsin, and Michigan's Upper Peninsula.
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Calibration and Testing
Instruments
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Mid-West Instruments Model 830 Backflow Prevention Test Kit
Mid-West Instruments Model 845-2 Two-Valve Backflow Prevention
Test Kit
Mid-West Instruments Model 845-3 Three-Valve Backflow Prevention
Test Kit
Mid-West Instruments Model 845-5 Five-Valve Backflow Prevention
Test Kit
- Flow Elements
- Delta Tube® Averaging Pitot Tubes
- Differential
Pressure Gauges
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Mid-West Instruments Model 105/106 6" Dial Bellows-Type
Differential Pressure Gauge
Mid-West Instruments Model 109 6" Dial Bourdon Tube-Type
Differential Pressure Gauge
Mid-West Instruments Model 120 2.5" Dial Piston-Type
Differential Pressure Gauge
Mid-West Instruments Model 122 2.5" Dial Piston-Type
Differential Pressure Gauge
Mid-West Instruments Model 123 2.5" Dial Piston-Type
Differential Pressure Gauge
Mid-West Instruments Model 130 4.5" Dial Diaphragm-Type
Differential Pressure Gauge
Mid-West Instruments Model 140/141 2.5" Dial Delta Meter®
Diaphragm-Type Differential Pressure Gauge
Mid-West Instruments Model 142 2.5" Dial Delta Meter®
Diaphragm-Type Differential Pressure Gauge
Mid-West Instruments Model 220 4.5" Dial Piston-Type
Differential Pressure Gauge for Hazardous Locations
Mid-West Instruments Model 240 4.5" Dial Diaphragm-Isolated
Differential Pressure Gauge for Hazardous Locations
- Differential Pressure Indicators
for OEM Use
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Mid-West Instruments Model 126/127 Piston-Type Differential
Pressure Gauge/Switch
Mid-West Instruments Model 146 Diaphragm-Type Differential
Pressure Gauge/Switch
Mid-West Instruments Model 444 Plastic Differential Pressure
Gauge
Mid-West Instruments Model 522 Aluminum Body Differential
Pressure Indicator
Mid-West Instruments Model 555 Plastic Differential Pressure
Gauge with Optional Switch Output
- Accessories
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Mid-West Instruments Model 150 Vari-Damp® Pulsation Dampener
Mid-West Instruments Model 200 Gauge Minder® Pressure Limiting
Valve