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What is the working principle of thermocouple?

2024-02-29

This is to start from the principle of thermocouple temperature measurement. Thermocouple is a temperature sensing element and an instrument. It directly measures the temperature and converts the temperature signal into a thermal electromotive force signal, which is converted into an electrical instrument (secondary instrument). The temperature of the measured medium. Thermocouple temperature measurement is the basic principle of two different components of the material of the conductor to form a closed loop, when the two ends of the temperature gradient, there will be a current through the loop, at this time between the two ends of the Seebeck electromotive force-thermal electromotive force, which is the so-called Seebeck effect.

What are the main types and practical applications of thermal resistance?

2024-02-29

From the temperature measurement principle of thermal resistance, it can be seen that the change of the measured temperature is directly measured by the change of the resistance value of the thermal resistance. Therefore, the change of the resistance of various wires such as the lead wire of the thermal resistance will affect the temperature measurement.

Working principle and structure of thermal resistance

2024-02-29

Thermal resistance is a kind of temperature detector commonly used in low temperature area. Its main features are high measurement accuracy and stable performance. It is widely used in industrial temperature measurement and is made into a standard reference instrument.

Thermocouple model how to distinguish?

2024-02-29

Commonly used thermocouples can be divided into two categories: standard thermocouples and non-standard thermocouples. The called standard thermocouple refers to the national standard stipulates the relationship between the thermoelectric potential and temperature, allowable error, and has a unified standard indexing table thermocouple, it has its supporting display instrument to choose from. Non-standardized thermocouples are not as good as standardized thermocouples in the range or magnitude of use, and generally there is no uniform indexing table, which is mainly used for measurement in some special occasions.

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