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The Advantages of PT100 Platinum RTD

Aug 11 , 2023

I believe that you are familiar with the application and development history of pt100 platinum RTD. But strangely, some people will understand it's advantages, some people will only talk about the shortcomings of the product. As a matter of fact, industrial thermal resistance may have some technical deficiencies until now, but such deficiencies will be optimized with the development of industry, so we need not worry excessively.

As we all know, pt100 platinum RTD is used to measure the temperature with the characteristic that the resistance value of platinum also changes with the temperature change. In addition, the display instrument will indicate the temperature value corresponding to the resistance value of platinum resistance. When there is a temperature gradient in the measured medium, the measured temperature is the average temperature in the medium layer within the range of the temperature sensing element. It can be seen that pt100 platinum RTD is a temperature sensor made by using resistance and temperature as a function. Since it's characteristic curve is nonlinear, the standard resistance – temperature relationship is given in the form of a scale table. For this reason, industrial temperature measurements are usually made using a three-wire pt100 platinum RTD.

The topic of this paper is pt100 platinum RTD, not copper thermal resistance. In my opinion, platinum is more accurate, more oil-proof and water-proof, more stable than copper, and more suitable for harsh working conditions.


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