Quote:
Originally Posted by fattyarbuckle
LOL^^^
Manometer can't check inch's of vacuum...they can only check a negative or less than atmosphere pressure.
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Not sure what this means? I routinely use a very low vacuum chamber for aerospace work. To monitor differential pressure we use a manometer. If you can hold negative sustained pressure. After the pump is turned off, You won't have a leak. It's a simple tool to monitor pressure. Did I miss the joke?
I use my gauge set for reading vacuum pressure.