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HaroldMHedge HaroldMHedge is offline
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Join Date: Dec 2015
Location: West Richland, WA
Posts: 528
Garage
I agree a micron gauge will not tell you that you have ambient air in the system. But is can be used to ensure the system is tight and that moisture has been evacuated from the system.

JB Industries has a good technical paper on Deep Vacuum, Its Principles and Application.

I used a BluVac Digital Vacuum Gauge for evacuation of my system.

BluVac Manual
Old 07-19-2017, 11:58 PM
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