HVAC Know It All - After a recent conversation regarding vacuums and units of measure I found this handy conversion table. 1" Hg Absolute is equal to about roughly 1/2 PSIA. Pressure
Conversion values for the most common pressure units of vacuum technology. | Download Table
Vacuum Measurement Conversion Table - The Fredericks Company
Vacuum Conversion Chart Pdf - Fill Online, Printable, Fillable, Blank | pdfFiller
Vacuum Unit Conversion Chart, An ISM Resource | ISM