Thermocouple head

The structure and principles of industrial thermocouple _ instrument

by：JVTIA 2020-10-29

The working principle of industrial thermocouple are two different ingredients of conductor on both ends of the welding forming circuit, direct measure WenDuan call side, the measurement called reference terminal end. When when there is a difference in temperature measuring end and reference end will produce thermal current in circuit, connected to digital display table, digital display table will indicate the thermocouple thermoelectric emf generated by the corresponding temperature value. Industrial thermocouple thermoelectric emf will increase with the rising of measuring the temperature. Only the size of the thermoelectric emfs and industrial thermocouple temperature difference on both ends of the conductor material and, had nothing to do with hot electrode length and diameter. The role of industrial thermocouple principle: dividing characteristics and allowable deviation, reference side ( Cold junction) Temperature compensation and the connection with display measuring instrument with general thermocouple method in the same way.

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