wrote:
I have a friend who is an auto mechanic. He said that his shop recently
bought a Thermal Gun, also called an Infared thermometer. He said it's
quite handy, where it will detect coolant leaks, overheated parts of an
engine, and even finds something like a hot connection in the wiring
under a dashboard, and much more.


I have used one or more. I made a tube to cut down on beam width. You can
get a pretty good idea of coverage. Reading may vary with reduced beam.

Greg