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Digital Psychrometric Calculator
Printable version of calculations below Quick, accurate on-the-job calculations! You’ll take the guesswork out of finding GPP, thirst, dew point, and more. The Digital Psychrometric Calculater allows you to find fast answers so that you can make the best decisions when setting up or adjusting your drying system. Includes 7 calculations unique to restoration, plus C° or F° options. Convenient business-card size.
Printable version of calculations below
Features 7 unique calculations!


GPP
Calculate the Grains Per Pound (GPP) to find the actual weight of water in the air. GPP is often referred to as specific humidity.
    1. Enter the temperature in Fahrenheit
    2. Press the Relative Humidity button
    3. Enter the Relative Humidity in percent
    4. Press the Grains Per Pound button


Thirst
How much additional moisture can the current air conditions support as water vapor? Thirst tells you the remaining moisture-carrying capacity of the air in terms of GPP.
    1. Enter the temperature in Fahrenheit
    2. Press the Relative Humidity button
    3. Enter the Relative Humidity in percent
    4. Press the Thirst button

Dew Point
The temperature at which water vapor condenses out of the air. Dew point varies with fluctuations in temperature and relative humidity.
    1. Enter the temperature in degrees Fahrenheit
    2. Press the Relative Humidity button
    3. Enter the Relative Humidity in percent
    4. Press the Dew Point button

LGR Dehumidifier Pints
Provides a general guideline for determining the number of LGR dehumidifer pint removal needed for the particular environment.
    1. Enter the Class of water damage (1, 2, or 3)
    2. Press the Dehumidifier button
    3. Enter the total cubic feet (ft3) of the affected area
    4. Press the Equals button

Number of Airmovers
Provides a general guideline for determining the number of airmovers needed per square foot on a Class 2 or Class 3 water damage.
    1. Enter the total square feet (ft2) of the affected area
    2. Press the Air Movers button

Convert GPP to G/Kg
Translates specific humidity into the metric system.
    1. Enter the GPP
    2. Press the Grains per Kilograms button

Convert C° to F°
Translates Celsius temperature into Fahrenheit temperature.
    1. Enter the temperature in degrees Celsius
    2. Press the Celsius into Fahrenheit button
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