GCA-03W Geiger Counter Nuclear Radiation Detection Monitor with Digital Meter and External Wand Probe - NRC Certification Ready- 0.001 mR/hr Resolution - 350 mR/hr Range: Science Lab Supplies: Amazon.com: Industrial & Scientific
TM-91N | Seeit TM-91 Radiation Meter for detecting Beta Rays, Gamma Rays, X Rays | RS
Detectron Nucliometer Model DR-299 Geiger Mueller Survey Meter (ca. 1955) | Museum of Radiation and Radioactivity
Atomic Research Corporation Model 231 Geiger Mueller Survey Meter (ca. 1955-1960) | Museum of Radiation and Radioactivity
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Geiger Mueller GQ GMC-320 Plus Geiger Counter Nuclear Radiation Detector meter Beta Gamma X Ray Europe Wall Charger : Amazon.nl: Zakelijk, industrie & wetenschap