#$%^&*AU2008202412B220131003.pdf#####-20ABSTRACT A seed delivery flow sensor for monitoring flow of seed and other particulate material through a delivery conduit said seed and other material entrained in an airflow passing through said conduit said sensor including an element rotationally reactive to said entrained seed and other material said element comprising a baffle mounted within a tubular section of said deliver conduit said element connected to an external indicator via a shaft extending through a wall of said conduit said baffle biased to rotate into a non-flow indicating position when no seed or other material is entrained in said air flow.
