Psychrometer by Yu Saito (iPhone)
Released: Apr 20, 2011
Version: 2.0.6
Size: 2 MB
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Ranking - Weather (iPhone)


Yu Saito
Psychrometer is an application to calculate the various properties of moist air. You can easily calculate values such as dew point temperature and relative humidity. To calculate the water vapor pressure, we use the Tetens(1930) equation.

- Intuitive operation of slider.
- Discomfort Index, Heat Index, WBGT Index, Effective Temperature (Missenard)
- Temperature units, Celsius (℃) and Fahrenheit (℉).
- Volumetric humidity units, (g/m³) and (gr/ft³).
- Specific humidity units, (g/kg) and (gr/lb).
- Pressure units, (hPa), (mmHg) and (inHg).
- Enthalpy units, (kJ/kg) and (Btu/lb) .
- Specific volume units, (m³/kg) and (ft³/lb).
- There are two types of psychrometers, natural and forced ventilation.
Humidity Chart.
- (Dry Bulb Temperature-Absolute Humidity) Chart.
- Temperature Range:-10~50(°C),14~122(°F)

The value can be computed:
Relative humidity, Volumetric humidity, Specific humidity, Vapor pressure, Saturation vapor pressure, Dew point temperature, Enthalpy, Specific volume,Discomfort Index, Heat Index, WBGT Index, Effective Temperature (Missenard).

What's new in version 2.0.6
This app has been updated by Apple to use the latest Apple signing certificate.

corresponding to iOS8.
Screenshot #1
Our verdict: Pass
  • Psychrometer is a poorly rated app (1-star).
  • + Psychrometer is currently ranked #259 in paid Weather apps for iPhone.
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