Pitotube on pixhawk 6x

hello there

I have an issue with pitotube I am using CUAV MS5525 digital airspeed sensor v1.7 and it is connected and getting power from board bat it does not work
am gettin an error message "Unhealthy Airspeed "

here are some screen shot from Mission Planners Full parameter list

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As you are using mission planner, please use: