The typical Hall anemometer I get; magnet approaches sensor, voltage goes down; magnet regresses, voltage goes back up.
I have a Hall effect anemometer which is different. The voltage is proportional to the speed of rotation (0.4v - 2v). How does this work?
Is there a smoothing RC circuit? There is a lag between shaft rotation and voltage, but it doesn't quite seem like an RC.
How does it work?