strange behavior of airspeed sensor

I'm assemble on my glider APM+OilPan+Xbee+Voltage and curren sensor+magnetometer with arduplane 2.24 and ArdupilotMegaPlanner to GCS, everything begins to work well but the air speed sensor is maintained at 0 with peaks 2.5m / s (according to the MPA and the test CLI).
When you breathed on the tubes (from the leading edge) the readings do not change but if you breath in opposite direction (trailing edge) although I get inconsistent readings (but positive in test CLI).

I have tested all connections and solder, I have even tried with another sensor equal getting the same results.

I'm a little puzzled, I would appreciate any help.

 

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  • I resolved my problem, i'm some stupid, I was connected the static tube in the place of the dinamic tube.

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