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Sonsivri > Electronics > Projects (Moderators: bbarney, pickit2) > PT100 Temperature Measurement
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Okada
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« on: January 14, 2013, 02:49:25 02:49 »
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, 06:14:38 18:14 »
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, 06:17:32 18:17 »
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, 09:08:44 09:08 by Okada » Logged
thunderer
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« Reply #3 on: February 07, 2013, 02:16:00 02:16 »
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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« Reply #4 on: February 07, 2013, 02:46:27 02:46 »
Quote from: thunderer on February 07, 2013, 02:16:00 02:16
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!

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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