Emissivity, Emissivity, where for art thou Emissivity
September 2nd, 2020, 05:51 PM
#1
Once Olds Always Olds
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Join Date: Nov 2011
Location: New Matamoras, Ohio
Posts: 1,202
Emissivity, Emissivity, where for art thou Emissivity
I recently purchased a Klein infrared thermometer, as I suspect my rally gauge is reading high and I am leaning toward the sensor. (Plus, I have wanted one for a while.)
I have been trying to find out what emissivity cast iron and cast aluminum should be measured, and I am having trouble finding it.
ok metallurgist, Go.
I have been trying to find out what emissivity cast iron and cast aluminum should be measured, and I am having trouble finding it.
ok metallurgist, Go.
September 2nd, 2020, 06:29 PM
#2
Old(s) Fart
Join Date: Mar 2007
Location: Northern VA
Posts: 47,361
I recently purchased a Klein infrared thermometer, as I suspect my rally gauge is reading high and I am leaning toward the sensor. (Plus, I have wanted one for a while.)
I have been trying to find out what emissivity cast iron and cast aluminum should be measured, and I am having trouble finding it.
ok metallurgist, Go.
I have been trying to find out what emissivity cast iron and cast aluminum should be measured, and I am having trouble finding it.
ok metallurgist, Go.
September 2nd, 2020, 08:36 PM
#3
Registered User
Join Date: Feb 2013
Location: Phoenix, AZ
Posts: 13,793
It depends upon the surface of the object. At work for the FLIR camera we use a thin coat of flat black spray paint so we don't have to do any compensation and the emissivity is close to 1. The same reason why radiators are painted black.
Last edited by Fun71; September 2nd, 2020 at 08:39 PM.
September 4th, 2020, 05:40 PM
#4
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Join Date: Feb 2019
Location: The Seasonally-Frozen Wastelands
Posts: 660
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