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Thermocouple head

The working principle of thermocouple _ instrument

by:JVTIA     2020-10-29
The thermocouple thermoelectric emfs growth over the course of measuring the temperature, the size of the thermoelectric emfs and thermocouple temperature difference on both ends of the conductor material and, only has nothing to do with hot electrode length and diameter. The structure of the thermocouple is made even wire, insulation of magnesium oxide and by repeated drawing stainless steel protecting tube. Thermocouple products are mainly composed of terminal block, terminal and thermocouple basic structure, and with various mounting device. Thermocouple insulation type and hull type two kinds. Two different ingredients of conductor on both ends of the welding, forming circuit, direct measuring WenDuan measuring head, terminal said reference. When measuring the temperature difference is with the reference, the will produce thermoelectric potential in the circuit, digital display table is connected, digital display table will indicate the thermocouple thermoelectric emf generated by the corresponding temperature value.
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