History of thermocouple wire

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The Seebeck effect

TI Seebeck. In 1822 he published the results of his experiments in the article «On the question of the magnetic polarization of metals arising under conditions of temperature difference», the Seebeck effect consists in the fact that in the closed circuit the heating of conductors from various metals leads to the appearance of a potential difference between them.

Application. XIX century

Mention of the use of thermocouples refer to the beginning of the 1830s. In the first thermocouples, wire pairs (copper-constantan, bismuth-antimony) were used, and the hot junction was in contact with the blackened gold plate. Thermocouples can be switched in series, one after another, forming a thermobattery. Hot junctions are located either along the perimeter of the receiving area, or evenly along its surface. In the first case, the individual thermocouples lie in one plane, in the second they are parallel to each other.

Application. XX century

In the 1920s-1930s, thermocouples were used to power the simplest radio receivers and other low-current devices. It is quite possible to use thermo-generators to recharge the batteries of modern low-current devices (telephones, cameras, etc.) using open fire.

Delivery, price

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