At 12:47 AM 3/11/2011, David Beierl wrote... Aluminum is one of them. Its emissivity under various >conditions ranges from 0.02 to about 0.4. IR instruments assuming >.95 emissivity will therefor read somewhere between moderately and >ridiculously low. Yep. The easy fix is a quick shot of flat black spray paint on whatever you're trying to measure. >I just checked a stainless-steel pot of boiling water Don't do that with your wife's kitchenware, though. :-) |
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