Quote:
Originally Posted by ksa8907
+/- 2% of full scale on a gauge that goes up to 100 psig would be 2psig. So instead of 40 it could be anywhere from 38 to 42 with no way for you to know.
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So if the gauge is 60 PSI then the 2% is 1.2 PSI from 18 to 36 PSI (30 to 60 percent of scale). Would have thought the the percentage would have been of the actual reading not of the gauge limit.