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GCA-06W Professional Digital Geiger Counter Radiation Monitor with External Wand - NRC Certification Ready- 0.001 mR/hr Resolution - 1000 mR/hr Range: Science Lab Geiger Counters: Amazon.com: Industrial & Scientific
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1Pcs Upgrade Geiger Counter Nuclear Radiation Detector Personal Dosimeter Marble Tester X-Ray Display Screen Radiation Dosimeter - AliExpress Tools
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