Thermocouple&RTD Knowledge

Choose what thermocouple approximately 500 degrees

The correct thermocouple selection can reduce the accuracy error and prolong the service life. So Choose what thermocouple approximately 500 degrees?
First of all, we know that there are 7 types of thermocouples, S, B, E, K, R, J, T, of which S, B, R are precious metal thermocouples, platinum rhodium thermocouples, measured at temperatures above 1000 degrees or as For standard thermocouples.
K-type thermocouples and N-types are suitable for measuring high-temperature areas within 500-1300 degrees, and large errors in low-temperature ranges. T-type thermocouples also measure low-temperature ranges, but usually measure -200-350 ° c. T-type thermocouple has the advantages of good linearity, large thermoelectromotive force, high sensitivity, approximately linear temperature and good reproducibility, fast heat transfer, good stability and uniformity, and cheap price, especially at -200 ~ 0 ℃ Use in the temperature zone, better stability.
J-type thermocouples usually measure medium and high temperature, with a range of about 0-750 degrees, and they are widely used in the range of 500-750 degrees. It is also a cheap metal thermocouple.
The characteristics of E-type thermocouple: large thermoelectromotive force and high sensitivity are the best among all thermocouples. It should be made into a thermopile to measure small temperature changes. The general measurement temperature range is -200 ~ 900 ℃.
Therefore, in general, choosing an E-type thermocouple at about 500 degrees is a good choice. Welcome to communicate with AnHui TianKang(Group)Shares Co.,Ltd.

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