For quantitative investigations of inelastic collisions of electrons with inert gas atoms, determination of ionisation energy and excitation energies of neon, resolution of the energy states of various primary and orbital angular-momentum quantum numbers, as well as demonstrating meta-stable states. Includes shielding and battery unit for the collector voltage (battery not included).
Cathode heating voltage: Uh < 7 V
Anode voltage: Ua < 60 V
Anode current: Ia < 10 mA
Collector voltage: Uc =1.5 V
Collector current: Ic < 200 pA