Thermo Electron branded RadEye G gamma survey meter.  Forget those 1960-era civil defense radiation meters and junky eastern-bloc imports.  The RadEye G is a quality personal radiation detector from one of the worlds most trusted names in radiation instrumentation.  It's pocket-sized so you can take it with you anywhere.

Powers on, shows appropriate values for background radiation and responds appropriately to radioactive sources.

RadEye G Personal Dose Rate Meter

Measured quantity: Photon equivalent dose and dose rate, Hx

Energy range: 45keV - 3MeV (according to IEC 60846-1)

Measuring range: 50 µR/h - 10 R/h

Display range starts at 1 µR/h

Sensitivity: Approx. 17 cps/mR/h for photon radiation 660 keV (Cs-¹³⁷)

Overrange indication: starting at 10 R/h up to 1000 R/h