Join a quick walkthrough of the ST113 Magnetic Metal Tester, a dedicated instrument for determining magnetic metal content in flour and grain powders per GB/T 5509-2008. In this video, we demonstrate how the unit operates, show the magnetic separation plate in action, and explain the recovery process that helps quality supervisors, millers, and grain handlers verify magnetic metal content efficiently. See the key components, setup, and practical use insights in under a few minutes.