The device I have is very inaccurate unless it
is at room temperature :-( .
How about using the peak amplitude of the Wien displacement spectrum to determine the temperature rather than the rather crude method of incident energy? That would be very accurate assuming black body radiation.
The Other Tesla David Blaza5 comments I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...