Portable Gamma Survey Meter NHL | Survey meter | Radiation Monitoring System | Fuji Electric Global
RADIATION ALERT, Detects Gamma down to 10-12 KeV, From 2.0 MeV, Radiation Survey Meter - 54JJ23|MONITOR 200 - Grainger
Survey meter - Wikipedia
Low energy gamma survey meter - Hocker Incorporated
Radiation Survey Meter | Radiation Survey Meter And Instruments
Radiation Detector Survey Meter,Handheld Mini Digital LCD Nuclear Radiation Detector,β γ χ Ray Gamma Nuclear Radiation Detector,3 Kinds of Alarm Mode and A Variety of Alarm Threshold.: Amazon.com: Industrial & Scientific
Victoreen Model 592B "Gamma Dose Rate Meter" (ca. 1960) | Museum of Radiation and Radioactivity