Dwyer Instruments, Inc.

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Michigan City, IN

Founded in 1931, Dwyer Instruments is your solution for quality, reliable and readily available low cost pressure gages, including dial and digital. As a leading manufacturer, we serve major markets with established brand names such as Magnehelic® pressure gages and Photohelic® switch/gages and meet new demands for pressure monitors, switches and transmitters.

Pressure Gauges Power Pages

Pressure Gauges

Pressure Gauges

A pressure gauge is a method of measuring fluid, gas, water, or steam intensity in a pressure powered machine to ensure there are no leaks or pressure changes that would affect the performance of the system. Pressure systems are designed to operate within a specific pressure range...

Pressure Switches

Pressure Switches

A pressure switch is a mechanical or electronic device activated by the pressure of the process fluid upon reaching a certain threshold or setpoint. A pressure switch can have a bourdon tube, piston, diaphragm, or membrane that moves or deforms according to the amount of pressure exerted by the system...

Pressure Transducers

Pressure Transducers

A pressure transducer is a mechanical device that converts applied pressure, a physical quantity, into a measurable and industry-standard electrical signal which is linearly and proportionally related to the applied pressure...

Pressure Sensors & Pressure Controls
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