Place of Origin : Dongguan,China
IntroductionMounted to a mixer truck,Website:http://www.fleet-sensor.com, the Drum Rotation Sensor is designed to measure speed, direction and rotation of the mixer drum. This information can then be translated to show when begin load and begin pour statuses occurred.Two pcs of magnets with opposite poles need to be fixed on the axis and wheel (the two pcs of magnets are symmetrically distributed, and N pole of one magnet should be fixed facing the sensor and S pole of another magnet should b