Attributes . -15 to 0 to 100 psi, 0 to 100 psi, 0 to 160 in Hg, 0 to 2500 mbar, 0 to 300 ft H2O, 0 to 3000 mm Hg, 0 to 4 mPa, 0 to 400 kPa, 4 bar . Names