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The Franck Hertz Experiment Board consists of an Electron Valve configured to behave as a miniature laboratory to detect the behaviour of Xenon gas atoms when bombarded with electrons.
Power supplies are required for the tube heater and the Anode / Cathode voltage. The system is complete with an inbuilt 9V battery and amplifier so the very small currents can be seen on ordinary bench meters if a sensitive mirror galvanometer is not available.
Genuine IEC product.
