What is thermocouple?
Thermocouple or thermoelectric couple is a kind of electricity generator that by applying heat creates weak electric flow.
Thermocouple working construction:
Thermocouple is made of two non-homogeneous conductor or semiconductor metal rods welded from one end and two other ends are connected to a sensitive measurement device like Galvanometer. When the junction point gets warm, a weak flow passes through the circuit; after measuring and transforming this flow, we can measure temperature.
Different kinds of thermocouples:
As you may know, making connection between measurement device and thermocouple is done by using a cable called Thermocouple Cable.
Thermocouple Cables should be homogenous to thermocouple and measurement device terminal; otherwise obtained statistics would be very different from actual statistics.
Thermocouple Cables are manufactured according to various standards as follow:
1- Extension Cables
- These cables are shown with (X) - e.g. KX Cable
2- Compensate Cable
- These cables are shown with (C) - e.g. KCA or KCB Cable
