The top of the sphere can be dismantled to reveal the design of the device.
Static electricity is produced by a rubber belt (item no. 370001) and 2 plastic rollers.
The bottom roller is powered by a drive belt (item no. 370002) from a stepless variable-speed 230 V motor or a hand crank.
There is an earthing socket on the motor housing for a ground connection or for connecting to a separate conducting sphere.
Sphere diameter: 220 mm.Capacitance relative to ground: approx. 12 pFCharging current: up to 6 μASpark length: 80 – 100 mm.Overall height: 560 mm.Width and depth: 195 mm.Weight: 4 kg.Supplied with dust cover and manual.