GQ GMC-600 Pro Geiger Counter Alpha, Gamma, Beta X-Ray Radiation Monitor Tested
Tested Works, Includes 2 rechargeable batteries
GQ GMC-600 Plus Geiger Counter Radiation Detector Alpha Beta Gamma X-ray
Suspect sensor is bad. Has the latest software update. CPM never moves off zero even near a known source
GQ GMC-600 Pro Geiger Counter Alpha, Gamma, Beta X-Ray Radiation Monitor
The GQ GMC-600 PRO digital Geiger Counter is an enhanced model of all previous models. It installed a high sensitive Pancake Geiger tube LND 7317 for Alpha, Beta, Gamma and X-Ray radiation detection.