Van de Graaff Generator for Classroom Electrostatics — 325 kV (Educational Physics Demonstrator)

Description

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The LC2910-HC Van De Graaff generator is designed for institutional use. It's a workhorse and proven performer in schools, universities, science museums, electrical cooperatives and NOAA facilities across the country. Don't just take our word for it. Do some searching on other major sales platforms for LC2910-HC. Feedback on this item is consistently solid. That's because we designed this Van De Graaff generator from the ground up, with every component being of premium quality. The end result is a device that will yield many years of reliable service. Not only that, but you can rely on this device to work in the most challenging environments where other Van De Graaff generators fail.

This large Van De Graaff generator stands over 2' tall, and it's large dome can produce an electric potential of 325,000 volts or more. There are a lot of exaggerated claims out there about Van De Graaff voltage. Did you know that voltage is dictated by dome size? The dome is a giant capacitor where the electrical charges accumulate. The diameter of the dome correlates to the total potential capacitance of the device. That's not the entire story though, because 2 generators with the same size dome can have very different performance characteristics. Our generator features a dome charge rate (micro current) that in some cases exceeds the competition by 5x. This means that it can pump more energy out for better experimental results, from hair raising to charging electroscopes.

This commercial generator is designed for heavy institutional use. It features a large sealed bearing electric motor that will provide years of trouble free service with no maintenance. The sealed bearing motor produces a powerful 3,500 RPM. Dual risers located inside the upper dome make belt centering a snap! Discharge wand and wire are included. Comes complete with a 1 year limited warranty!

High-Voltage Physics Demonstration Tool for Schools & Labs

Sci-Supply’s Van de Graaff Generator (325 kV) is a classroom-ready electrostatics demonstrator designed to help educators teach fundamental principles of static electricity, electric charge, and high-voltage phenomena in a hands-on, memorable way. With its robust build and institutional-grade performance, this unit is ideal for physics classes, science labs, and educational demonstrations where students can safely explore electrostatic effects.

Built for Instructional Use

Van de Graaff generators create high voltage through a moving belt and metal dome, allowing students to observe dramatic static electricity effects such as sparks, charge repulsion, and electric discharge. This model produces potentials up to 325 kV, making it suitable for standard electrostatics experiments in secondary and post-secondary classrooms.

Key teaching features include:

• High-Voltage Electrostatic Demonstrations: clearly illustrates charge buildup and discharge

• Durable Construction: designed for repeated classroom use

• Motor-Driven Belt System: ensures consistent charging

• Discharge Wand Included: safe and simple to use with instructor guidance

• Humidity Control & Safety Features: improves performance and reliability

Ideal for Classroom Experiments

This generator supports a wide range of curriculum-aligned activities such as:

• Static charge buildup and transfer

• Hair-raising electrostatic effects

• Electric field and discharge experiments

• Spark gap demonstrations

• Exploration of like-charge repulsion

These demonstrations help students visualize abstract concepts and deepen understanding of electric force, field, and potential.

Designed for Schools & Institutions

Sci-Supply specializes in institutional science equipment, making it easy for educators to source classroom tools that are:

✔ Built for repeated instructional use
✔ Compatible with standard lab setups
✔ Suitable for secondary and college physics labs
✔ Supportive of guided demonstrations and inquiry learning

Purchase orders are accepted, and our team can help with quotes or bulk requests.

What’s Included

• Van de Graaff Generator (325 kV)

• Discharge Wand & Wire

• Instruction Manual

• Built-in Safety Features

Why Educators Choose Sci-Supply

• Over 20 years supporting science education

• Classroom-focused product selection

• Reliable support for schools and labs

• Fast, dependable fulfillment from the USA

When reliable, repeatable electrostatics demonstrations matter, teachers and lab coordinators trust Sci-Supply.