Generator van de Graaff with spherical electrode and electric drive

MACHINE TRANSLATION (not authorised yet)

Generator Van de Graff with a full spherical electrode (not a grid) for demonstrating electrostatic phenomena at school (electrode diameters 15 and 10 cm respectively). The discharge spherical electrode is not built into the base, it has an insulated handle and 4mm connection sockets. The belt is made of highly insulated silicone rubber. Max voltage on the spherical electrode: 200 kV; spark length 60 mm! Electrically powered model (220 V AC, 50 Hz).