Radiation Survey Meter Operating Range 0 to 0.5 0 to 5.0 0 to 50.0 mR/hr 0 to 500 0 to 5000 0 to 50 000 CPM or 0 to 500 uSv/hr Gamma Radiation Range 1000 CPM/mR/hr reference to CS 137 Alpha Energy Sensitivity 2.5 MeV Typical Detection Efficiency at 3.6 MeV is Greater Than 80% Accuracy +-15% of Reading (Reference Cs137) % Display Analog Powered By 9V Battery Calibration Certificate NIST Includes Soft Carrying Case Software and Instructions