The GGreg20_V3 Ionizing Radiation Detector is a new-generation ready-to-use device with an SBM-20 Geiger tube and pulse counting output
Because our Tindie and website are out of these tubes (as of 11/19/2023), but they are still available on Etsy. At the same time, we also recommend ordering with J305, which is currently available in all stores.
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