
Overall I give 5 stars. Have a home just in case, I think it's worth it. Some pros: Compact size, strong beautiful body. I also liked the promise of the manufacturer to work from one set of batteries for several years. And it seemed to me, the lowest price of all offers in this market. Cons: I compared the work of the Rodnik 3 dosimeter with my self-made dosimeter. I have two SBM-20 sensors installed on mine. Mine is more sensitive. Mine sees hard beta radiation, and Rodnik hardly sees.

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