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MPX5100 Fluctation in readings from temperature changes

Question asked by Kevin Roach on Oct 17, 2017
Latest reply on Oct 24, 2017 by Dario Arias

I am using a MPX5100 to read back pressure or resistive flow from a needle valve. I am using two micros air pumps to feed the air for pressure and it reads great and steady at room temperature, but when it is colder or less humid air it seem to fluctuate. I am using a 1uf capacitor and a couple of resistors for a filter circuit which made it really stable except for the temperature issue.

 

Anybody have any ideas how I can deal with the temp issue on the sensor?

Thanks,

Kevin

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