Motor-Driven Van de Graaff Generator with Acrylic Shaft, 200,000V

This motor-driven Van de Graaff generator is compatible with both 110/120V and 220/240V power sources at 50/60 Hz, with a European 2-prong plug included. The generator features a silicon rubber charge-collecting belt with excellent insulation resistance and aluminum mesh combs for visible charge collection. Belt tracking is easily adjustable. The generator is equipped with 150 mm aluminum spheres and can generate up to 200 kV, achieving spark lengths of 60 mm depending on environmental conditions. A 100 mm spherical discharger with an insulated handle is included. The acrylic shaft provides full visibility of the internal mechanism. The compact, portable design makes it suitable for demonstrations in classrooms, laboratories, and science fairs.