Dwyer Instruments, Inc. offers many flow measuring products including our very popular variable area flowmeters, often called rotameters. Dwyer manufactures variable area flowmeters in polycarbonate, poylsufone, fluoropolymer, acrylic, glass, and metal. Please see the Dwyer website for more details on these products. Variable area flowmeters are suitable for measuring liquids or gases by allowing the media to freely move a...
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Dwyer Instruments, Inc. offers several flow measuring products that use a thermal sensing element. Thermal dispersion flow sensors use a temperature element that is heated up beyond the media temperature. Based on calorimetry, the flow moving past the sensor will have a cooling effect that is directly proportional to the flow velocity. The heat is convected...
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What are the differences between pressure transducers and pressure transmitters? Many readers have likely heard the terms transducer and transmitter used interchangeably without much confusion. When searching the internet for either term, search engines provide nearly identical results. Are there any differences? The short answer is “yes”. According to Dictionary.com, a transducer is “a device that receives a...
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A lot has changed over these past few weeks as the world has adapted to life amidst COVID-19. Our healthcare workers have been doing an incredible job on the front lines. HVAC technicians and other workers in the trades are making sure essential systems are functioning properly. Even grocery stores have changed their hours and...
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Dwyer Instruments offers many styles of Pitot tubes, which are a commonly used sensor for monitoring air velocity and flow rate in heating, ventilation, and air conditioning. Pitot tubes are based on Bernoulli’s equation, which states an increase in the speed of a fluid occurs simultaneously with an increase in dynamic pressure and a decrease...
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