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MPXH6400A

Question asked by Saurabh Bhansali on Oct 12, 2015
Latest reply on Jan 19, 2016 by David Diaz Marin

Hello!

 

I am using MPXH6400A pressure sensor for measuring pressure inside a closed chamber. Clean air is being passed through the chamber. The reading were taken after allowing system to stabilize for 5 minutes. Day 1 reading for output voltage was 1.22 V (corresponding pressure value = 102.2865 KPa), and day 2 reading for output voltage was 1.18 V (corresponding pressure value = 99.0469 KPa), although all the system parameters were maintained.

 

Kindly explain the reason for the difference.

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