"Helium-18/80-3.0" He3 neutron counter, He3 pressure is 3.0 bars. Tube diameter 18 mm, length 80 mm.  Great for nuclear fusion experiments. Test performed at 1350 V, preamp transconductance 5 V/pC.

Want to build a  very sensitive and selective neutron detector - it's your chance!

Check out my other lots, I hope you will find something interesting!

Any questions? Feel free to contact me.