Lot VAN DE GRAAFF ELECTROSTATIC GENERATOR Van de Graaff Generator Manufacturers India, Brazil, Mexico, Colombia Van De Graaff Generator Large 400K High voltage Van De Graaff generator 150mm Big Van De Graaff Generator, for Electrical engineering at Best Price. This Large Van De Graaff Generator is a high output, compact electrostatics device designed for reliable performance in classroom demonstrations. With a 400kV voltage capacity and a 250mm dome, this model produces dramatic spark discharges and enables a wide range of static electricity experiments. All internal components are fully visible, giving students an excellent view of how electrostatic charge is generated and transported. Built with durable materials and a dismantlable design, this generator is suitable for frequent use and easy storage. It's an ideal tool for teaching foundational concepts in electric charge, energy transfer, and field interactions. Educational benefits: Produces powerful visual demonstrations of high voltage static electricity Allows students to explore key physics principles including charge distribution, induction, and potential Reinforces scientific reasoning by linking observable effects with theoretical models Exposes internal mechanisms to support learning about the function of each component Provides practical experience in handling lab equipment and understanding electrical safety Classroom activity ideas: Investigate the spark length relative to humidity or dome size Combine with a neon lamp or pith ball apparatus for charge interaction experiments Set up a Faraday cage demonstration to show how charge behaves on conductors Allow students to safely test the effects of electrostatic discharge on various materials Use in comparative experiments with other generators to explore design differences Specifications: Output voltage: 400kV Spark gap: Approx. 15cm Dome diameter: 250mm Discharge ball: 80mm diameter with insulated handle and earth terminal Charging belt: 55mm wide silicone rubber Motor: Speed controlled DC electric motor Dimensions: Total height: 700mm Base dimensions: 210mm x 160mm Discharge ball rod length: 490mm Recommended for ages: Senior secondary students and up, with supervision