Thermocouple Eyc Rtd/Tc - Eyc Vietnam-Stc Vietnam, Stc Vietnam

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Thermocouple (T/C)：A thermocouple consists of two wires, each made of a different metal material, and welded together at the ends. When this welding point (Ｍeasurement connection point) is heated, a thermal current movement occurs, which is equal to the temperature difference between the welding point and the other end (Connection point) at the same temperature. 
Therefore, the temperature of the reference contact which is maintained at a fixed value or used the automatic compensation ammeter  to measure the forces and motion of the thermal current,  the temperature of the measurement contact  is can be measured. The thermal current motion of a thermocouple has nothing to do with the size or length of the wire diameter. But it relates to the specifications of the wires. Thermocouples are often placed in the body of the junction and sealed in a protective tube, which is opposite the terminal block and inlay attachment.

RTD platinum resistance：The temperature can be measured with the resistance of pure metal wires, and the resistance will increase at a fixed ratio as the temperature increases. By using the characteristics of this temperature coefficient, the temperature can be known from the change in resistance. Resistance thermometers are made of platinum, nickel, copper, etc., and platinum is better than other metal materials for its stability and reproducibility. Therefore, it is most commonly used for this. It is wrapped by a pure platinum wire wrapped around an elongated mica sheet, covered with a protective mica sheet, and combined with a thin sheet of rust steel or other material. Some components are wound by a resistance wire around the core structure of glass or mica, and then the combination is sealed in a rigid glass or ceramic tube. This component and the compensation wire contact each other (Two or three) and are placed in the protection tube, it is connected with the terminal box and accessories. 

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Mr. Quang

quang@stc-vietnam.com

0985-034-377

Zalo: 0985-034-377