Nitrogen test with MeasureQuick app and probes.

This is my preferred method as it take into account the pressure, temperature and time all in one. It can also be saved to a report with the system. Anyone can say they pressure tested but now you can prove it was done with all the details to back it up.

‪@measureQuick‬
https://support.measurequick.com/know...

‪@HVACS‬ has a great video on nitrogen pressure testing covering more points than I have
   • How to Leak Test an AC With Nitrogen ...