Radiation Survey Meter Scintillation Detector Operating Range 1 micronR/h to 5 mR/hr 0.001 to 50 micronSv/hr 0 to Approx 875 000 CPM 0 to Approx 14 584 CPS Total Counts- 999 999 counts Gamma Radiation Range 20 Kev to 1.5 MeV Down to around 30 keV (I-129) Typical Sensitivity 150 CPM/micronR/hr. Gamma and X-ray Energy Sensitivity Energy Range 20 Kev to 1.5 MeVTypical sensitivity 150 CPM/uR/hr referenced to Cs137.