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Date:         Fri, 11 Mar 2011 08:50:23 -0500
Reply-To:     Mike S <mikes@FLATSURFACE.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mike S <mikes@FLATSURFACE.COM>
Subject:      Re: IR Temp guns - use with caution
Comments: To: David Beierl <dbeierl@ATTGLOBAL.NET>
In-Reply-To:  <4d79b7af.1192e60a.38b4.ffffafce@mx.google.com>
Content-Type: text/plain; charset="us-ascii"; format=flowed

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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