What is the difference between pt100, pt500 and pt1000 RTDs?

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What is the difference between pt100, pt500 and pt1000 RTDs?..

This number 100,500,1000 refers to the reference resistance of the Rtd.meaning pt 100 means at 0 degree temp it gives 100 ohm resistance ,similarly pt 500 gives, 500 ohm resistance at 0 degree.but not questions arrise why we go for higher resistance and the ans is simple for good sensitivity and accuracy.

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What is the difference between pt100, pt500 and pt1000 RTDs?..

Answer / jaimin

At 0 degree temperature rtd resistance is 100,500,1000.so its name change per their zero degree resistance.

Is This Answer Correct ?

7 Yes

1 No

What is the difference between pt100, pt500 and pt1000 RTDs?..

Answer / mohamedhega

This number 100,500,1000 refers to the reference resistance of the Rtd.
As temperature changes ,its resistance changes and temperature is function of this change.

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4 Yes

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