2Pcs/Set Foil Electroscope Physical Electricity Experiment Electrometer Teaching Instrument Model

Description: Foil electroscope is an electrometer used in physical and electrical experiments to check whether an object is charged and positively and negatively charged. Specifications: Material: Matel, glass Used For: Physical electricity experiment electrometer Size: 200 x 143 x 90mm Quantity: 2 Pcs/Set Weight: 862g Features: - The overall metal + glass material is sturdy and durable, and the surface is smooth and not scratched; - The chrome-plated metal rod has a strong conductive electrode, and the metal rod has two pieces of metal foil at the lower end. The experiment is more accurate; - The front and rear glass can be removed for easier storage and cleaning. Package Included: 2 Pcs x Foil Electroscope