Originally Posted by
faqcya
Why are you trying to control the temperature of the thermocouple? A thermocouple is a measuring device made up of 2 dissimilar metals used to measure temperature. The 2 wires are welded together and when a change of temperature occurs it creates a voltage that is then measured and depending upon the types of metals used you can then compare that voltage to a known standard and determine the voltage.
Yes, it could be an idea and safe working on 12v but they have a wide range and huge tolerances and I normally start at 95 degrees, operate it at 85 degrees and at the end lower the temperature to 65 degrees to make the pinch again a little bit tighter that there is again some force to take something off from the pinch.