B-RAD: Portable radiation survey meter operating in strong magnetic field, for alpha, beta and gamma measurements | Knowledge Transfer
Portable X Ray Gamma Radiation Survey Meter Nuclear Radiation Detector Dosimeter | eBay
Monitor 4 / 4EC Survey Meter | InstroTek, Inc.
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