Published On Dec 9, 2019
This is part 1: I test the gauges brand new out of the box trying to see if they can pass a deep vacuum and hold under 500 microns ( much lower and more precise measurement for vacuum).
2ed: test using high pressure dry nitrogen @ 250 PSI.
Using Fieldpiece manifolds refrigerant gauges SM480V as a bench mark to compare both pressure and vacuum down to the low micron levels.
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