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MPXV5004G sensitivity and error percentage

Question asked by a1 on Nov 1, 2014

I'm using the MPXV5004G pressure sensor.  I wish to record

sensitive changes in my breathing.  I hooked it up to a

10-bit analog to digital converter and typical breathing is

moving the output value maybe 1 point at best.

 

I wish to amplify the sensitivity, but I notice that the

MPXV5004G has error of 1.5% or 2.5%.  This seems to say

that the output value error is greater than 1 point out of

1024 values, so even if I amplified the changes, could I

trust them?

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