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Temperature is a physical quantity that reflects the degree of heat or cold. It is a very important and universal measurement parameter in industrial and agricultural production. Temperature measurement and control plays an important role in ensuring product quality, improving production efficiency, saving energy, ensuring production safety, and promoting national economic development. Due to the universality of temperature measurement,Temperature SensorThe number of sensors ranks first among all types of sensors, accounting for about 50%.

Temperature SensorIndirect measurement by changing the temperature characteristics of the object. The characteristics of many materials and components change with temperature, so a considerable number of material temperature sensors can be made. The physical parameters of temperature sensors change with temperature, such as expansion, resistance, capacitance, electromotive force, magnetism, frequency, optical properties, thermal noise, etc. With the development of production, new temperature sensors will appear. Since the temperature measurement range in industrial and agricultural production is very wide, ranging from hundreds of degrees below zero to thousands of degrees, and temperature sensors made of various materials can only be used within a certain temperature range.

Temperature SensorThe contact method with the measured medium is divided into contact type and non-contact type. The contact temperature sensor needs to maintain thermal contact with the measured medium so that the two have sufficient heat exchange to reach the same temperature. This type of sensor mainly includes resistance type, thermocouple, PN junction temperature sensor, etc. Non-contact temperature sensor does not need to contact with the measured medium, but achieves the purpose of temperature measurement through the thermal radiation or convection of the measured medium to the temperature sensor. This type of sensor mainly includes infrared temperature sensor. The main feature of this method is that it can measure the temperature of moving objects and objects with small heat capacity.

Changzhou Ainuo Electronic Technology Co., Ltd. is a diversified company focusing on temperature control. If you are interested in learning more about temperature sensors, please call: 13506120522 to learn more.