How do IR thermometer guns work?
April 1, 2011 10:22 PM Subscribe
My goal is the detection of small temperature variations over a larger area than a single one would allow, monitored by a computer.
What sensor do they use? I saw IR thermocouples on the web (starting at $150) and the fact these consumer devices are often under $30 leads to believe they are not using this, but something a lot cheaper.
posted by santogold to science & nature (11 answers total) 4 users marked this as a favorite
I want to set up an array of these and avoid the expense of a Peltier cooled IR camera, etc. (I want a fairly large array of these, painstaking calibration is a given)
I don't care about the laser part, the plastic part that you hold, the digital part or the analog to digital conversion! What is the analog sensor that these things use?
Lastly what alternatives should I look into?