MPX5010DP Conversions

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MPX5010DP Conversions

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charlotte1375
Contributor I

I am working on developing a pitot tube system for a school project. I am using an MPX5010DP sensor to measure the differential pressure between the static and dynamic ports. I have this connected to an Arduino to convert the outputted values of the sensor to velocity. I am struggling with converting the output to pressure values, does anyone have any knowledge on how to do this and set up the sensor? 

Thanks 

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TomasVaverka
NXP TechSupport
NXP TechSupport
Hello Charlotte, 
 
To convert the output voltage to pressure you can use the following transfer function shown in Fig. 4 of the datasheet:

Vout = Vs x (0.09 x P + 0.04) =>
P [kPa] = (Vout/Vs - 0.04) / 0.09 
 
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BR, Tomas
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