Vacuum Guages
From Pvdwiki
1 Atmosphere (as a unit of pressure) = 14.7 psi = 34 ft water column = 76 cm/Hg = 29.92 in/Hg = 1.013 bar = 1,013 mbar
1 Atmosphere (as a unit of pressure) = 14.7 psi = 34 ft water column = 76 cm/Hg = 29.92 in/Hg = 1.013 bar = 1,013 mbar