Psychrometric Chart - Barometric Pressure 29.921 inches of Mercury

A psychrometric chart in English units - temperature ranging from 20oF to 120oF

The psychrometric chart below is made for standard atmospheric conditions

  • English (Imperial) units with wet bulb and dry bulb temperature and relative humidity
  • barometric pressure 29.921 inches of Mercury
  • dry bulb temperature ranging from 20oF to 120oF
  • with enthalpy units in Btu/lb

psychrometric chart

The psychrometric chart is made with the PsycPro software available from www.linric.com.

  • Standard Atmospheric Pressure = 1 atm = 101.325 kN/m2 = 101.325 kPa = 14.7 psia = 0 psig = 29.92 in Hg = 760 torr = 33.95 Ft.H2O = 407.2 In.W.G (Water Gauge) = 2116.8 Lbs./Sq.Ft.

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