New digital temperature sensor, compared with the traditional temperature sensor, high cost-effective, superior performance, high reliability, convenient use, small volume, high sensitivity and simple control circuit, etc. Can completely replace the traditional thermal resistance and resistance temperature detector. Then we have to understand the principle and application of some new type of digital temperature sensor! ! ! !


1, the principle of new type digital temperature sensor


digital temperature sensor is also called the thermocouple, are two different material A conductor or semi-conductor A and B welding together, constitute A closed loop, when the conductor A and B two persistent point temperature difference between 1 and 2, occurs between the electromotive force, and thus form the size of A current in the circuit, this kind of phenomenon called the thermoelectric effect. Thermocouple is in using this effect to work.
2, the application of new type digital temperature sensor


the new digital temperature sensor application range is very wide, it is not only widely used in ordinary People's Daily life, but also a large number of used in modern industrial production automation control and production process control testing system.


through the understanding of the principle and application of new type digital temperature sensor, a new digital temperature sensor is different from the traditional temperature sensor, and the new type of temperature sensor is developing towards the direction of intelligent, and quickly in the People's Daily life.





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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure sensor and digital temperature sensor