Radiation Tester DIY Geiger Counter Kit OLED Display DIY Geiger Counter Circuit Board Parts with Sound Light Alarm Assembled DIY Geiger Counter Kit Gamma Beta X Ray Lodine 131 Detecting. It can effectively detect X-rays, gamma rays, and beta rays, making it suitable for analyzing radiation levels in different materials such as marble, jade, imported products, iodine-131, and unidentified minerals.
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This geiger counter has been battery tested (see video) andNOT field tested. I suspect it is long overdue a service, as it left service in the early 00's. On battery test, the needle passes the red battery test lines.
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