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PT100 temperature measuring principle of thermal resistor

2020-11-07

JVTIA

204

Pt100 platinum thermal resistance, referred to as: the pt100 resistance, its value will change with the change in temperature. Used in medical, electrical, industrial, temperature calculation, high precision temperature equipment such as satellite, weather resistance, calculation.

100 indicates that it is in 0 ℃ after the PT resistance of 100 ohms, when in 100 ℃ when its value is about 138. 5 ohms. At present there are mainly metal thermal resistance and semiconductor thermistor two categories.

PT100 thermal resistance is low temperature zone in one of the most commonly used temperature detector. Its main characteristic is high accuracy, stable performance. Among them is platinum thermal resistance measurement accuracy is the highest, it is not only widely used in industrial temperature measurement, and is made into standard benchmark instrument.

and thermocouple temperature measurement principle, PT100 heat resistance heat resistance temperature measurement is based on the heating effect of the resistance, the resistance of the characteristics of resistance varies with temperature. Therefore, as long as the measured feeling warm resistance of the resistance change, can measure the temperature.

the Pt100 resistance related knowledge:

the Pt100 resistance index table

the Pt100 resistance four common fault phenomenon and countermeasure of

Pt1000 thermal resistance indexing table

use Pt100 thermal resistance of the note

Cu50 thermal resistance and what is the difference between the Pt100 resistance

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