A hump magnet is a type of magnetic separator that’s set up in a gravity-fed system, where materials flow through a raised “hump” or angled passage. As the material shifts direction while moving over the hump, strong magnetic fields pull out ferrous contaminants and keep them in place, letting the clean material keep flowing. Hump magnets are particularly good at getting rid of tramp iron from powders, grains, and other dry bulk materials, making them popular in industries like food, chemicals, plastics, and pharmaceuticals.