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Mini electric kiln project
Mr. Wadebevan and Mr. Mark thank you very much for answering my questions and sharing your recipes. Smile 

I am complementing it with domestic practices and also with recommendation from various steel data sheets. I have decided to start my hardening experiments with carbon steel because hardening temperature is significantly lower compared with stainless steel.


I have finally received the high temp. thermocouple and have started its calibration/checking using an old mercury thermometer which works up to 1150°F.



Does your thermocouple come with a published calibration curve Jan and can you program that curve into your controller?
The thermocouple did not come with calibration curve, it is so called K type sensor and the PID controller is preprogramed for some 10 different sensor types. I can change an additive constant only.



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