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Low cost reliable dosimeter for nuclear fallout survival?
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David Hess:

--- Quote from: 5U4GB on February 11, 2024, 01:27:59 am ---If you want to get fancy without breaking the bank, there's a pocket gamma-ray spectrometer made by a group called RadiaCode that uses a solid-state CsI:Tl detector so you don't have to mess around with photomultipliers and multichannel-analysers, you give up a bit of sensitivity in exchange but it's nicely portable and they're constantly updating the app that provides the readout and analysis.
--- End quote ---

That is an amazing deal for a a gamma ray spectrometer.  It might not be quite as sensitive as mine, which easily reads background levels below 5 uR/h, but they say it picks up background levels and that is sensitive enough.

https://www.radiacode.com
5U4GB:
Yeah, it's a pretty neat deal.  I've also got a more conventional PMT-based one with an MCA but that's a lot of gear to set up, with the Radiacode you just leave the sample for long enough in a lead castle that you can build up a decent spectrum and that'll tell you what you've got.  For example when I wanted to see what was in a few of those woo-woo "scalar energy" pendants I used the Radiacode and got a nice thorium spectrum with minimal effort/maximal lazi... uh, convenience.
Njk:
It seems that this type of sensor is state of the art at the time. Almost similar device (Gamma + Beta), of a different brand:
https://www.quarta-rad.ru/en/catalog/dozimetr-radiometr-radon/radex_obsidian/
Avaalon:
I saw for sale in my country soviet sosna anri-01-02 that I believe has even four geiger tubes. How good beta sensitivity it has?
Njk:

--- Quote from: Avaalon on February 12, 2024, 08:28:38 pm ---I saw for sale in my country soviet sosna anri-01-02 that I believe has even four geiger tubes. How good beta sensitivity it has?

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Two tubes, according to the schematics
https://dosimeter.ucoz.ru/Ebay/dozimetr_radiometr_anri01_sosna.pdf
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