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MPX2100 AP Influence of heating

Question asked by Thomas SChlech on Sep 15, 2016



i have a question concerning Pressure Sensor MPX2100AP. We are using them in an oven. Every time the oven heats up, which is connected with an hot air stram, the measured absolute pressure values increase. The sensores are mounted with the mesure inlet in a cavity with vacum and the other part of the sensor in the oven at atmospheric pressure. Can you explain me why the measured values are changing during heating the oven.


Best regards


Thomas Schlech