P-T Calculator1.31 - Google Play
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Publisher Description
Comprehensive Pressure/Temperature calculation tool from National Refrigerants
This comprehensive Pressure/Temperature calculation tool from National Refrigerants provides several unique features designed to make the HVAC/R technician’s job easier. This app is more than a PT chart – it can calculate a simple pressure/temperature relationship or calculate superheat/subcool temperatures. The user can input pressure or temperature(s) on any screen and the other values are automatically calculated and displayed. For refrigerant blends, both saturated vapor and saturated liquid values are displayed. Within the superheat/subcool screen, a graphic display for blends will show the entering, mid-point, and outlet temperature as well as line temperature.
Other features include:
- Automatic altitude correction (if location services are enabled)
- English/Metric units
- Easily choose from “favorites” refrigerants list
- Supplementary information about refrigerants and links to NRI website
- Link to NRI Lubricant Cross Reference app
- Link to NRI Branch Locator tool
About P-T Calculator
The company that develops P-T Calculator is National Refrigerants, Inc.. The latest version released by its developer is 1.31.
To install P-T Calculator on your Android device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-08-20 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the P-T Calculator as malware as malware if the download link to com.skasperson.nri_calculator is broken.
How to install P-T Calculator on your Android device:
- Click on the Continue To App button on our website. This will redirect you to Google Play.
- Once the P-T Calculator is shown in the Google Play listing of your Android device, you can start its download and installation. Tap on the Install button located below the search bar and to the right of the app icon.
- A pop-up window with the permissions required by P-T Calculator will be shown. Click on Accept to continue the process.
- P-T Calculator will be downloaded onto your device, displaying a progress. Once the download completes, the installation will start and you'll get a notification after the installation is finished.
Program Details
System requirements
Download information
Pricing
Version History
version 1.31
posted on 2026-08-20
Added more refrigerants.
version 1.25
posted on 2025-09-20
Added refrigerants
version 1.22
posted on 2025-07-13
Targeting latest version of Android
version 1.2
posted on 2024-08-28
Support for the latest versions of Android.
version 1.1
posted on 2024-02-01
Added new refrigerants and updated altitude lookup
version 1.0.28
posted on 2023-08-31
Update to support latest versions of Android
version 1.0.27
posted on 2021-05-31
Calculation fixes
version 1.0.26
posted on 2020-06-02
Added new refrigerants
version 1.0.24
posted on 2018-11-06
Fix for Android 8
Disclaimer
Official Google Play Link
We do not host P-T Calculator on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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