http://www.trutechtools.com/BluVac
The Bluvac vacuum gauge is one of the most innovative vacuum measurement tools for HVAC and refrigeration that has become available in the past few years. New users often find it a love hate relationship as they love the technology, but hate the fact that they cannot get their vacuum rig or a system to stop leaking. This video goes over how to attach the Bluvac gauge, what leak rate is, and how to determine if the leak rate is acceptable.
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Attaching and Troubleshooting the Bluvac Gauge
