Thermionics Vacuum Products 1-800-962-2310
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Office Hours: 8am to 5pm PST
July 2008


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Conversion Table for Various Pressure Units Used in High Vacuum Practice




Torr microns Pascal dyne/cm2 atm mbar
Torr
(mm Hg)
11,0001331,3301.32 x 10-31.32
microns
(milliTorr)
0.00110.1331.331.321.32 x 10-3
Pascal
(Newton/m2)
7.5 x 10-37.51109.87 x 10-69.87 x 10-3
dyne/cm2 7.5 x 10-40.750.119.87 x 10-79.87 x 10-4
atm
(std atmosphere)    
7607.6 x 1051.01 x 1051.01 x 10611,010
mbar 0.757501001,0009.87 x 10-41

Additional Conversions

1 Bar (Bureau) = 750.0 mm Hg = 29.53" Hg



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