All About Manometers – What They Are and How They …
https://www.thomasnet.com/articles/instruments-controls/all-about-manometers-what-they-are-and-how-they-work/
A manometer is a precision instrument that is used to measure pressure, which is the force exerted by a gas or liquid per unit surface area owing to the effects of the weight of that gas or liquid from gravity. Depending on the type and how they are configured, manometers can be set-up to provide a … See more
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