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41611Re: [hobbicast] Re: Furnace temperature

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  • Carl
    Jan 6, 2012
      Ernie:That still looks like it would take a lot of time to get set up. I think the easiest way is to just hide a $20 thermocouple under a thin layer of refractory. I found a chart with pyrometric cones up to 3650 degrees F. I can get a 3000 degree one and see what the thermocouple is reading when the cone bends. That should get me in the ballpark without spending a lot of money. Thanks Carl

      From: ferrman1001 <ferrman1001@...>
      To: hobbicast@yahoogroups.com
      Sent: Friday, January 6, 2012 3:36 PM
      Subject: [hobbicast] Re: Furnace temperature

      Carl You could try making an optical pyrometer by using a 12 volt light bulb and vary the voltage so the filament glows the same as what you are measuring. You would still need to calibrate it against a known pyrometer


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