This bench-top sample splitter combines a gravity feed hopper and a motor-driven rotary disc to evenly divide powdered or granular materials into four representative fractions. Material flows from the blue feed hopper onto the spinning plate, where it is directed into four cloth collection bags by fixed guide vanes. The adjustable feed rate and rotation speed ensure reproducible splits without manual riffle. Ideal for geological, mineral processing and bulk powder sample preparation in research and quality control.