A zero reading on a freon gauge manifold equals,?
What does a zero reading on a Freon gauge manifold indicate? Does it mean a) zero vacuum, b) zero atmospheric pressure, or c) 14.7 psi of atmospheric pressure?
5 Answers
What is a”freon” Gage manifold? Freon is a brand name.
A and c are correct. zero on your gage indicates zero over normal atmospheric pressure and no vacuum
B would be a Perfect vacuum.
This is a trick question. There is no such thing as a Freon® gauge, I called and asked Dupont®.
b, zero atmospheric pressure
Atleast on mine as mine will show a negative pressure (vacuum) when I have the vacuum pump going until I hit -32 bars.
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