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AN4325 Pressure sensor MPXV7025DP based spirometer mouthpiece size

Question asked by Konstantin Yurkov on Sep 5, 2014
Latest reply on Sep 12, 2014 by Joshevelle



I'm trying to implement the spirometer as described in AN4325 for the research purposes and having some issues calculating the proper  size values for the mouthpiece to apply the correct pressure. Could you please share some details on mouthpice size described in the application note.