Thread: Engine Temp??
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Old 08-20-2009, 06:57 AM
Bikeguy Joe Bikeguy Joe is offline
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Join Date: Jan 2008
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Default Re: Engine Temp??

Originally Posted by smitty View Post
I don't know if you folks are aware of it, but the emissivity changes according to the surface being read. A chrome surface (for instance) emits less inferred than a flat black surface. That's why a wood burning stove is usually flat black, and a pizza oven has a stainless steel door. Hence a chrome exhaust pipe will usually read lower with an inferred thermometer. A painted surface will probably read more accurately than a shiny surface.
Good observation.
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