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Version
1.2.3
Size
6.39 Mb
Updated
1 week ago
Released
12 May 2016
Screenshots
Description
This is a psychrometric (moist air) calculation app used in over 20 countries worldwide.
It allows you to quickly and easily calculate humidity-related properties with a calculator-like interface.
The app adopts the Wexler–Hyland formulation combined with numerical analysis, providing highly accurate and stable results even under extreme atmospheric conditions.
Supported parameters
The following six parameters are supported:
* Dry-bulb temperature
* Wet-bulb temperature
* Dew point temperature
* Relative humidity
* Humidity ratio
* Enthalpy
By entering any two of these parameters, all remaining values are calculated automatically.
For example, you can determine the dry-bulb temperature when the dew point and relative humidity are known.
Ideal for HVAC design, cleanroom management, and industrial drying processes where precision is non-negotiable.
When used together with the companion app “HumidCalc”, additional air-property parameters can be viewed
(please refer to the companion app description for details).
■ Input range and safety checks
* Temperature: -273.15 °C to 99.97 °C (-459.67 °F to 211.95 °F)
* Relative Humidity: 0 %RH to 100 %RH
* Atmospheric pressure is fixed at the standard atmospheric pressure (1013.25 hPa / 29.92 inHg).
If physically invalid values are entered(e.g., wet-bulb temperature higher than dry-bulb temperature), an error message is displayed before calculation is executed.
■ Additional features
* Supports both Celsius (°C) and Fahrenheit (°F)
* Toggleable click sound
* Available in Japanese, English, and Traditional Chinese
■ Memory function
After performing a calculation, tapping one of the following buttons(Dry-bulb, Wet-bulb, Dew point, Relative humidity, Absolute humidity, or Enthalpy) stores that value for subsequent calculations.
By using this function, continuous air-state calculations are possible.
For example, when outdoor temperature and humidity and indoor temperature are known(assuming no latent heat load), you can first calculate and store the outdoor dew point, then input the indoor temperature to easily obtain the indoor humidity.
■ Disclaimer
1. Recommended operating temperature range is approximately 0 °C to 40 °C.
Extremely unusual conditions may result in inaccurate calculations.
2. Minor numerical errors may occur due to floating-point arithmetic.
3. The developer assumes no responsibility for any damages resulting from the use of this app.
Estimates
Search Keywords 1
| # | Term | Country | Place | Priority |
|---|---|---|---|---|
| 1 | dbt | #19 | ⭐️⭐️⭐️⭐️ |
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| # | App | Common keywords |
|---|---|---|
| 1 | DBT Diary Card & Skills Coach | 10 |
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| 18 | Decorah and Cresco Bank | 6 |
| 19 | Depression Information | 4 |
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| 21 | Woebot: The Mental Health Ally | 4 |
| 22 | Wysa: Mental Wellbeing AI | 3 |
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| 24 | Stressless App | 2 |
| 25 | CBT/DBT Associates | 2 |
| 26 | DBT Selfhelp & Diary Card | 2 |
| 27 | Wise Mind | 1 |
| 28 | Doing Business Thailand | 1 |
Availability
Devices
iPhone3GS
iPhone4
iPodTouchFourthGen
iPad2Wifi
iPad23G
iPhone4S
iPadThirdGen
iPadThirdGen4G
iPhone5
iPodTouchFifthGen
iPadFourthGen
iPadFourthGen4G
iPadMini
iPadMini4G
iPhone5c
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
iPad75
iPad76
iPhoneXS
iPhoneXSMax
iPhoneXR
iPad812
iPad834
iPad856
iPad878
iPadMini5
iPadMini5Cellular
iPadAir3
iPadAir3Cellular
iPodTouchSeventhGen
iPhone11
iPhone11Pro
iPadSeventhGen
iPadSeventhGenCellular
iPhone11ProMax
iPhoneSESecondGen
iPadProSecondGen
iPadProSecondGenCellular
iPadProFourthGen
iPadProFourthGenCellular
iPhone12Mini
iPhone12
iPhone12Pro
iPhone12ProMax
iPadAir4
iPadAir4Cellular
iPadEighthGen
iPadEighthGenCellular
iPadProThirdGen
iPadProThirdGenCellular
iPadProFifthGen
iPadProFifthGenCellular
iPhone13Pro
iPhone13ProMax
iPhone13Mini
iPhone13
iPadMiniSixthGen
iPadMiniSixthGenCellular
iPadNinthGen
iPadNinthGenCellular
iPhoneSEThirdGen
iPadAirFifthGen
iPadAirFifthGenCellular
iPhone14
iPhone14Plus
iPhone14Pro
iPhone14ProMax
iPadTenthGen
iPadTenthGenCellular
iPadPro11FourthGen
iPadPro11FourthGenCellular
iPadProSixthGen
iPadProSixthGenCellular
Pricing by country
| Country | Price |
|---|---|
| Canada | free |
| China | free |
| France | free |
| Germany | free |
| Italy | free |
| Netherlands | free |
| Portugal | free |
| Spain | free |
| Poland | free |
| UK | free |
| India | free |
| Japan | free |
| Korea, Republic Of | free |
| Poland | free |
| Russia | free |
| Turkey | free |
| USA | free |
| Korea, Republic Of | free |
| Ukraine | free |
Version History
Latest: 1.2.3
- Changed the ad banner from a Smart Banner to an Adaptive Banner.
- Fixed a layout issue that occurred on some devices.
- Updated to comply with the privacy requirements introduced in iOS 14 (IDFA and App Tracking Transparency).
- Optimized the UI for 6.5-inch displays on iPhone X and later models.
- Updated the AdMob advertising SDK.
- Improved the numerical analysis algorithms, resulting in faster calculations and accurate computation of relative humidity and dew point even at extremely low temperatures (below −150 °C / -238°F ).
- Fixed a bug in the exception handling logic.
v1.1.4
1 week ago
