Mid-West Instrument Datasheets for Pressure Gauges

Pressure gauges are used for a variety of industrial and application-specific pressure monitoring applications.  Uses include visual monitoring of air and gas pressure for compressors, vacuum equipment, process lines and specialty tank applications such as medical gas cylinders and fire extinguishers.
Pressure Gauges: Learn more

Product Name Notes
he Model 555 Series Differential Pressure Indicator offers a two sided dial providing easier installation regardless of flow direction. It is used on filters & strainers. The Rolling Diaphragm Sensing...
The Division 2 rated product is a lower cost alternative when compared to the Explosion-Proof designs that are often used in Division 2 applications. Mid-West Instrument's Models 140/142 are CSA...
The Model 130 diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. The entire assembly is Certified...
The Model 220 carries global certifications from CSA, UL, and ATEX. The piston style Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed...
The Model 240 carries global certifications from CSA, UL, and ATEX. The diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed...
1 to 2 independently adjustable switches Clamp or Stick on Switches Hermetically Sealed Switches SPDT, SPST Normally Open Configurations Most configurations CE marked to the Low Voltage Directive (EN 61010)...
1 to 2 independently adjustable switches Hermetically Sealed Switches SPDT, SPST Normally Open, & SPST Normally Closed Configurations Most configurations CE marked to the Low Voltage Directive (EN 61010) Power...
Micro Adjust Pointer Wide Selection of DP Ranges & Scales Bellows or Multiple Diaphragm Sensing Element Working Pressures up to 6000 PSIG (400 bar) Gauge Housings available in Aluminum, Brass,...
Over-Range Protection, High over Low and Low over High Micro Adjust Pointer Wide Selection of DP Ranges & Scales Bellows or Multiple Diaphragm Sensing Element Working Pressures up to 6000...
Simple Rugged Designs Glass Reinforced Thermoplastic Gauge Front Is Standard Weather Resistant & Corrosion Resistant Gauge Front 5 Year Warranty
Simple Rugged Designs Glass Reinforced Thermoplastic Gauge Front Is Standard Weather Resistant & Corrosion Resistant Gauge Front Shatter Resistant Lens 5 Year Warranty
Wide DP Range from 0-15 PSID to 0-6000 PSID Bourdon Tube Sensing Element Working Pressures up to 6000 PSIG (400 bar) Over-Range Protection, High over Low and Low over High...
Aluminum or stainless steel housing, 3000 psi working pressure
Aluminum, brass or stainless steel housing, 1000 psi working pressure