[madmaxx]

Be carefull with the infered guns, if the emmissivity value is off you reading will be off by 30 degrees. I am sure the default value is 1 which is good for a flat black surface. #2 the cheaper one, less than $30K it takes an average of temps, if you are 1 foot away it is probably averaging a 8" diameter circle so put it right up on the component. They are best used to check for realitive change not absolute temp, now get an IR camera looking at thousands of points we are differtn