Psychrometer ℃alc

entering the dry-bulb temperature and wet bulb temperature, know exactly the state of the air below.
Dry bulb temperature
Wet bulb temperature
Relative Humidity
Absolute Humidity
Dew Point Temperature
Atmospheric Pressure (iPhone 6's)
Vapor pressure
Specific volume
Enthalpy
Temperature–humidity index(Discomfort index)

Temp Input range -50〜100℃　
Atmospheric Input range 800hPa〜1200hPa
SONNTAG formula to calculate the water vapor saturation pressure