temperature sensor thermocouple
Thermocouple is a kind of temperature measuring equipment, which consists of two different conductors. They contact each other at one or more points. When the temperature of one point is different from the reference temperature of the rest of the circuit, it will generate voltage. Temperature sensor widely used in temperature measurement and control can also convert temperature gradient into electric energy. Commercial thermocouples are cheap, interchangeable, and come with standard connectors that measure a wide range of temperatures. Compared with most other temperature measurements, thermocouples are self powered and do not require external excitation.
temperature sensor thermocouple pt100 rtd
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thermocouple wire, silver plated