Amazon.com: MightyOhm Geiger Counter Kit Bundle : Toys & Games
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
GQ GMC-300S Digital Nuclear Radiation Detector Monitor Meter Geiger Counter Radiation Dosimeter: Amazon.com: Industrial & Scientific
Handheld Geiger Counter Nuclear Radiation Detector, Professional High Accuracy Nuclear Radiation Meter Beta Gamma X Ray Data Tester Marble Dosimeter: Amazon.com: Industrial & Scientific
GCA-06W-C Professional Digital Geiger Counter - Radiation Monitor - with External Wand - ANSI Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range: Amazon.com: Industrial & Scientific