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J12.03.01 Frank-Hertz experimental instrument
Description and Notes
J12.03.01 Frank-Hertz experimental instrument

This instrument is used for proving Bohr’s theory of atomic energy level. It takes a tube filled with argon as a F-H tube.The experiment can be done under normal temperature, demanding no heating or temperature keeping. The spectrum amplitude curve can be plotted by means of point-measuring, it can also be observed directly on the screen of oscilloscope.
J12.03.01 Frank-Hertz experimental instrument
□ F-H tube: fill with argon gas
□ Preheating time: ≤5min
□ Micro-current measuring range: 10-9~10-6A
□ Numbers of spectrum amplitude by point-measuring: ≥5
□ Numbers of spectrum amplitude on oscilloscope: ≥3