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Wanahard 11/06/2017
The main problem is that I'm not sure that it work perfectly. Yes I can hear several "tic tic" when cosmic particules hit the geiger tube but I don't have radioactive source to test it. It' not easy to provide and it's very dangerous to handle. Notice : I've changed the columms because the 4 provided with are too short. I replaced with 4 columms avalaible in item Bangood SKU 1014036.
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Komentarze (8)
Zatwierdź
  • markomuncho dont you have a microwave you can put it near?

    Odpowiadać 26/06/2017
  • jramurray The older type of gas lamp mantle can often be obtained and they contain Thorium. They make a good test source.

    Odpowiadać 04/07/2017
  • jramurray Geiger counters do not respond to microwaves.

    Odpowiadać 04/07/2017
  • Pete You could try a smoke detector

    Odpowiadać 04/11/2017
  • RonBeck62 I haven't bought one, because I don't like the specifications. The count rate is very low, and the J305 tube pictured is a cheap one that only detects Gamma and HARD (high energy) beta. That's useful if you want to see how many days you have left after a nuclear war. If you want to check for Radon (alpha and some soft beta) or go prospecting for Uranium, then you will need a different tube.

    Odpowiadać 26/04/2018
  • Paulhere Another radioactive source easy to get is thoriated tungsten welding rods.

    Odpowiadać 24/05/2018
  • Lachlan Wood find someone with a radium watch or clock

    Odpowiadać 15/05/2019
  • BG223734484 collect dust from air by vacum cleaner and measure it

    Odpowiadać 27/12/2020
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