"Thanks for sharing your story - entertaining (though admittedly not for you) and I believe very representative in regard to the misconception of "popular" equipment. I will share this with my students ...
... regarding infrared camera:…"
Combustion Appliance Zone Testing (CAZ) Made Easy (March 24, 2016)
-Adapting to the new BPI standard
-RESNET testing requirements
-NFPA testing requirements
-Best practices for best results