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Three Geiger Counters Challenged | Weak and STRONG samples (Patreon)

Published:
2019-02-28 19:02:50
Imported:
2026-06
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Content

It may seem in accordance with ALARP that I rarely make videos about my radioactive samples. But it is mostly because I haven't added anything to my collection for four years since my latest video on the subject.

When RadiaScan reached out to me offering one of their RadiaScan-701A Geiger counters for a video, I said yes. It could be my chance to finally get a reading on my strongest sample that my two current Geiger counters failed on. And it should be able to detect very weak sources too. In this video I share the results of my testing with you.

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Three Geiger Counters Challenged | Weak and STRONG samples

My hottest, radioactive sample is finally measured - but also a new, unusually weak sample with tritium. Will all of my three Geiger counters handle it? The RadiaScan-701A and tritium-bearing memorial are donated by: https://www.radiascan.com My Patreon-page: https://www.patreon.com/Brainiac75 Did you miss one of my videos?: https://www.youtube.com/user/brainiac75/videos FULL MUSIC CREDITS Time code: 0:00 Mix of sounds from freesound including: - Syyyymphonica by digifishmusic (https://freesound.org/s/69569/) - Dronetail 91 by Jovica (https://freesound.org/s/3361/) Sounds licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ Time codes: 0:33 + 4:28 + 10:45 Clear Waters by Kevin MacLeod (incompetech.com) ISRC: USUAN1100290 Time codes: 2:50 + 6:05 + 9:38 Long Note Two by Kevin MacLeod (incompetech.com) ISRC: USUAN1100420 Time code: 8:05 Music for Manatees by Kevin MacLeod (incompetech.com) ISRC: USUAN1400009 All music above licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ Time code: 11:04 Mix of two tracks: 1) The Shimmering by fran_ky (freesound.org/s/237363) Licensed under Creative Commons 0 license 2) Spacial Harvest by Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ ISRC: USUAN1100653 Time code: 11:43 Syyyymphonica by digifishmusic (https://freesound.org/s/69569/) Sound licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ #Tritium #Pitchblende #Brainiac75

Comments

Anonymous

Nice video and shows the strengths of a pancake detector (RadiaScan-701A) compared to normal GM tubes mostly sensitive to gammas and a bit betas (Soeks 01M Plus) or with thin windows (GammaScout) some alphas too. Something worth considering as a completion to my gamma scintillator for high sensitive background logging.

Brainiac75
>>20315236

Thanks Tobias. The pancake probe in the RadiaScan isn't the largest on the market but it sure makes a difference as shown with the tritium vials. I need to test it further but the Gamma-Scout should be better at detecting low-energy alphas, since it may have a small but also very thin mica window - letting low-energy alphas pass through. Pancake-probes are difficult to make with very thin mica windows - they will simply be to fragile to handle :) But yes, a gamma scintillator and pancake probe Geiger counter could be a good match for detecting a wide range of radiation types and energies. I really hope to get a gamma scintillator at some point! (Gammaspectacular seems 'affordable').