Circuit design of two-wire temperature transmitter, the two-wire temperature transmitter is matched with a thermocouple and a thermal resistor, respectively, and can linearly convert the temperature signal into a 4 ~ 20mA DC standard output signal.
Introduction to Shanghai automation No. 3 Factory Thermocouple Related Knowledge, it is converted into the temperature of the measured medium through an electrical instrument (secondary instrument).
Thermal resistance temperature sensor with fast thermal response time
Principle, material and error of thermal resistance type temperature sensor