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Daily Question on Automation Theory Knowledge (8.9)

2017-08-09View Original

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This post was last edited by 18663069001 on 2017-8-9 07:08. Process and instrumentation are inseparable; to help everyone gain a better understanding of the basics of instrumentation, we have launched the \"One Question per Day\" series – just reply to view it. To encourage continued participation from everyone! Get a 3 Wealth reward just for participating! I hope everyone will participate actively, learn together, and make progress together! ! ! True or False: 26. Is the following statement correct? Principle of operation of a thermocouple: Two conductors made of different materials (referred to as thermocouple wires or thermal electrodes) are connected at both ends to form a circuit. When the temperatures at these connection points differ, an electromotive force is generated within the circuit. This phenomenon is known as the thermoelectric effect, and such an electromotive force is called a thermoelectromotive force. Thermocouples utilize this principle to measure temperature; the end that is directly used to measure the temperature of the medium is called the working end (also known as the measuring end), while the other end is called the cold end (also known as the compensation end) ; The cold end is connected to a display instrument or associated meter, which indicates the thermoelectric potential generated by the thermocouple. The answer to this question is: Yes

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