What have you checked to conclude "the tube seems to work just fine"? Perhaps too obvious but have you checked with a neon tester to see if there's still neon inside?
On Saturday, May 6, 2023 at 6:06:50 PM UTC+2 Dekatron42 wrote: > I've been able to buy a Neon filled Franck-Hertz tube together with its > control unit. Everything looks fine, the output voltages from the control > unit are correct and the tube seems to work just fine, however I can't get > the experiment to work properly. > > Is there anyone here on the forum that can help me out? > > I have checked all voltages and used this guide: > http://www.bastgen.de/schule/physik/13/Material/Franck-Hertz-Neon.pdf > > The control unit can be seen here: > https://www.uranmaschine.de/87051.Neva_6751_Franck-Hertz-Roehre_mit_Quecksilber/87051.Neva_6756_Franck-Hertz-Betriebsgeraet_hires.jpg > > What I am trying to do is specifically the part where you are supposed to > get one or more clusters of neon atoms being excited like in this photo: > https://www.leybold-shop.com/media/phk/images/versuche/P6243_Schirmbild.jpg > > [image: > https://www.leybold-shop.com/media/phk/images/versuche/P6243_Schirmbild.jpg] > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/086c95e2-f42b-46bb-aa31-3fca734486ecn%40googlegroups.com.
