Pressure Sensor for use with Arduino ??

[Dave]

Just wondering if anyone can suggest one that will work from (say)
-20psi to +30psi (-140kpa to +200kpa).

It *MUST* be able to measure vacuum.

I have found several pressure transducers on line but they either only
support +ve pressure or are rather expensive.

Regards
Dave

[John Davis]

A long time ago I used an abs break part for a vacuum pressure gauge.  Go to mouser or dig okey and search for transducers with your specied range.

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独树一帜

[Pierce Nichols]

I think what you want is an absolute pressure transducer rather than a
gauge (i.e. referenced to atmosphere) pressure transducer. That will
give you the data you want.

-p

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Pierce Nichols
Principal Engineer
Logos Electromechanical, LLC

[Mikael.Fernstrom]

I used the MPX5010GP for a number of past projects. It works great with Arduino. The 5010 comes with a number of options regarding pressure and configurations.

https://www.nxp.com/docs/en/data-sheet/MPX5010.pdf

best regards

Mikael

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