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Selecting Connecting Tubing and Hardware for a Pressure Calibration

Abstract from Blog...



Pascal’s principal says that in a closed container a change in pressure at one location will be experienced equally in any other part of the pressure circuit.  This principal allows pressure metrologists to simply connect a device under test (DUT) to a reference, change the pressure to a value they want to test, then compare the reference and device under test.  But I probably should not have used to the adjective “simply”.  There is a lot to consider when deciding how to connect the DUT to the reference.  Here is what I like to think about when getting ready to design a pressure circuit...

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