HVAC ASHRAE PsychometricChart

HVAC Systems & Components
Heating Ventilating Air Conditioning HVAC

Psychometrics or psychrometry or hygrometry are terms used to describe the field of engineering concerned with the determination of physical and thermodynamic properties of gas-vapor mixtures.

Psychometric Chart Variables:

  • Dry Bulb Temperature
  • Wet Bulb Temperature
  • Relative Humidity
  • Specific Humidity
  • Specific Volume
  • Specific Enthalpy
  • Specific Volume
  • Psychometric Ratio
  • Humid Heat
  • Pressure

ASHRAE Psychometric Chart No.1 Normal Temperature Barometric Pressure: 29.921 Inches.

ASHRAE Psychrometric Chart No.1

Derived from the following: American Society of Heating, Refrigeration

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