eli5: Why do pressure gauges have different units? Why aren’t all gauges standardized to one unit like bar or Pa.
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Bar and Pa are on the same unit system, 1 Bar is just 100,000 Pa. Provided you’re just using metric you should have the dial measure to bar, millipascals, kilo pascals, mega pascals, etc depending on the magnitude of the thing you’re measuring, so you don’t have a bunch of zeroes on the dial.
Ditto mm, m, km for distance.
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