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fattyarbuckle · 02-12-2014, 05:53 PM

vacuum to 500 micron, isolate system with pump shut off, if it holds there for 24hrs, there isn't a leak or moisture...

I've never heard of a manometer for vacuum.

02-12-2014, 05:53 PM	#8
fattyarbuckle Registered User Join Date: Nov 2010 Location: St. Louis Mo. Posts: 282	Re: Vintage Air Evaporator Leak Test vacuum to 500 micron, isolate system with pump shut off, if it holds there for 24hrs, there isn't a leak or moisture... I've never heard of a manometer for vacuum.