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Author Topic: PT100 Temperature Measurement  (Read 1926 times)
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Okada
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« on: January 14, 2013, 03:49:25 03:49 »

Here is a project which I made. It measures PT100 temperature very precisely. I also calculated the resistance of PT100 and got very accurate results but did not implement resistance in the project. See the attached files for code and simulation files.
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pumper
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« Reply #1 on: January 27, 2013, 07:14:38 19:14 »

thanks man
but can you mplement resistance in the project.
I want to know your calculation logic.
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Okada
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« Reply #2 on: January 27, 2013, 07:17:32 19:17 »

Yes. I can implement it. Actually I had implemented it and had got accurate results but later removed.

Edit:

pumper here is the updated file. It shows PT100 Resistance
« Last Edit: January 28, 2013, 10:08:44 10:08 by Okada » Logged
thunderer
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« Reply #3 on: February 07, 2013, 03:16:00 03:16 »

I see it is for 4 wire sensors. When you say you did not implement the resistance, are you talking about cable length compensation? Meaning that in this revision you do a software calibration once you connect the new length of cable?

Good job! Merci pour ce beau travail!
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Okada
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« Reply #4 on: February 07, 2013, 03:46:27 03:46 »

I see it is for 4 wire sensors. When you say you did not implement the resistance, are you talking about cable length compensation? Meaning that in this revision you do a software calibration once you connect the new length of cable?

Good job! Merci pour ce beau travail!

Actually I had implemented the resistance but had forgotten how I had calculated the temperature the first time. First resistance is calculated and from that temperature is calculated.
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