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ADuC7060 Demo board - RTD reading errors

Question asked by ChrisCPT on Jan 10, 2011
Latest reply on May 16, 2012 by Erland

Hi,

 

I'm currently designing around the eval board and I encountered a problem with the sample code provided to read the onboard RTD sensor.

The termperature returned by software give almost +6°C than in reality (I have a calibrated thermometer to compare).

I tried a lot of software modifications (gain, current excitation, equation, precalibration...) but nothing seems to do the trick.

 

The hardware seems ok (for what I've checked).

Any assistance would be greatly appreciated.

 

Regards,

Chris.

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