PSYCHROMETRIC CHART Normal Temperature I-P Units …

1 BAROMETRIC PRESSURE: in. HGPSYCHROMETRICCHARTN ormal TemperatureI-P UnitsSEA LEVEL20253035404550556065707580859095100 1051101015202530354045 ENTHALPY - BTU PER POUND OF DRY AIR0102030405060708090100110120130140150 160170180 Below 32 F, properties and enthalpy deviation lines are for by: HANDS DOWN SOFTWARE, `. relative HUMIDITY20%30%40%50%60%70%80%90% VOLUME- PER LB. DRY Btu - Enthalpy deviation Btu per pound of dry airDry-BulbTemperature F`Wet-BulbDewpoint orSaturationTemperature F`Pounds of moistureper pound of dry air`Grains of moistureper pound of dry air`BAROMETRIC PRESSURE: in. HGPSYCHROMETRICCHARTN ormal TemperatureI-P UnitsSEA LEVELB elow 32 F, properties and enthalpy deviation lines are for by: HANDS DOWN SOFTWARE, PRESSURE: kPaPSYCHROMETRICCHARTN ormal TemperatureSI UnitsSEA LEVEL-10-5051015202530354001020304050607 08090 ENTHALPY - KJ PER KILOGRAM OF DRY AIR024681012141618202224 humidity RATIO (or Specific humidity ) GRAMS OF MOISTURE PER KILOGRAM OF DRY AIRB elow 32 F, properties and enthalpy deviation lines are for by: HANDS DOWN SOFTWARE, `.

2 RATIO - KILOGRAMS MOISTURE PER KILOGRAM DRY AIR10% relative HUMIDITY20%30%40%50%60%70%80%90%-5 VOLUME - CUBIC METER PER KG DRY PRESSURE: kPaPSYCHROMETRICCHARTN ormal TemperatureSI UnitsSEA LEVELB elow 32 F, properties and enthalpy deviation lines are for by: HANDS DOWN SOFTWARE.