Kiriakos-GR
Member level 1
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- Oct 18, 2016
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Why so costly? The material is inexpensive and if you want to use it at temperatures above 1000C, you need some protection (the metals work well in reducing atmospheres but using in furnaces need special care).
I do consider this as childish question, K type thermocouple it is a product with protective sleeve and plug, and any factory making them has expensive instrumentation and manufacturing process and materials which they are in accordance to metrology and international standards.
Any temperature above 200C this is a job for infrared technology sensor.