2004-2007 Honda Aquatrax ARX1200N3/T3/T3D Factory Service Manual, Page 84Get this manual
TECHNICAL FEATURES
SPEED SENSOR
The speed sensor is located on the upper right side of the ride plateThe speed sensor detects log speed as water flows through the paddlewheelThe sensor consists of permanent magnet and sensor unit (Hall element), and is connected to the combination meter via leadWhen one of the paddles passes across the sensor unit, voltage pulses are generated at the sensorThe voltage pulses are sent as signals to the combination meter, which converts the signals to log speedThe frequency of the signals increases proportionally to the rotating speed of the paddlewheel