Temperature measurement principle of wear-resistant thermocouple

     The use of thermocouples in people's lives is generally due to the influence of thermocouples, which is decided by the superiority of the thermocouples. Its mission is also clear to everyone, but as a new product among thermocouples: the measurement of wear-resistant thermocouples. What is the difference between Wen Wenli and the rest of the product? Taizhou Shengda Meter Xiaobian for everyone to introduce the next.

Wear thermocouples also have the advantage of individual thermocouples: simple structure, high measurement accuracy, bare minimum heat capacity, good data exchange, and its output signal may be transmitted at a distance. It is easy to detect and control.

Wear thermocouples use the thermoelectric effect to perform the task. The two different conductors or semiconductors are connected into a closed loop. If their two contacts are resolved at different temperatures, a potential is generated in the circuit. This phenomenon is called the thermoelectric effect or the Seebeck effect. Seebeck). The potential that occurs is called the thermoelectric potential and is denoted as EAB(T, To). Orifice plate flowmeter thermocouples are sensitive components of thermocouple thermometers. The fundamental reason for measuring temperature is based on thermoelectric effects. The two different conductors (or semi-conductors) A and B are connected to form a closed loop. When the temperature of the two junctions is different, such as T>T. The thermoelectric potential EAs (T, T0) then occurs in the circuit. The conductor is called a hot electrode, where one represents the positive pole of the thermocouple; the other represents the negative pole. The combination of two hot electrodes is called a thermocouple. In the two contact points, the two electrodes are welded together. When the temperature is measured, it is placed on the side of the tool and the side is judging by the side. It is called the measuring end, the hot end or the task end; the contact is in the situation The request temperature is constant, so it is called the reference end, the cold end or the free end.

The wear thermocouple achieves temperature measurement via the hottest potential on the process side. The thermoelectric potential consists of two sectors: the snoring potential (also known as Peltier potential) and the thermoelectric potential (also known as the Thomson potential).

Brief introduction of the snoring potential of two conductors:

The snoring potential is based on the Peltier effect, which is due to the fact that when two different conductors snored, the free electrons are dispersed from the dense conductors to the denser ones until they reach the static equilibrium. The speed of free electron dispersion and the density of free electrons are directly proportional to the temperature.

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