I know MPXV5100 only works with positive pressure, however I would like to know what if a depressure is applied. Does the membrane break out? If yes, what is the critical pressure?
Thanks for your help.
The MPX5100DP will not be damaged as long as the pressure in port one is greater than pressure in port two (P1>P2). Hence if you apply depressure, the device will be fine, as long this pressure is applied to the Port 2.
Thank you very much for your answer!
I did not tell it but my MPXV5100 isthe GP one, so there is no second port, thus a negative pressure would damage my device...
You are correct, because in a gauge pressure sensor, P2 is open to the ambient (1 atm, always). If P1 is negative pressure (less than 1 atm) or vacuum, then P2 > P1, which breaks the condition to keep the integrity of the sensor. If you want to measure negative pressure, my advice would be to get a differential pressure sensor.
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