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Temperature Controller Principle
Jul 24, 2017

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Mechanical use of two layers of thermal expansion coefficient of different metal pressure together, the temperature changes, his curvature will change, when bent to a certain extent, turn on (or disconnect) the loop, making the cooling (or heating) equipment jobs.

Electronic through the thermocouple, platinum resistance and other temperature sensing device, the temperature signal into electrical signals, through the microcontroller, PLC and other circuit control relay makes the heating (or cooling) equipment work (or stop).


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