400 KV Van de Graaf Electrostatic Generator

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400 KV Van de Graaf Electrostatic Generator Info:

It will make your hair stand on end! Made from highly polished stainless steel that resists corrosion and oxidation, this mirror-smooth and seamless, negatively-charged globe makes learning about static charge exciting and interactive. The smooth surface makes for very few discharge points. A true sphere measuring 12-5/8" in diameter. The cover of the base that protects the inner workings of the machine is made of black plastic which insulates the motor and resists draining the charge. The column is 3" dia. made of shock-resistant, transparent butyrate. Sparks can reach up to 10". Operates in humidities up to 90%. 400,000V potential. Entire unit measures 29" H. Grades K-12.