MIRION Technologies RDS-31 Radiation Survey Meter

Radiological Characteristics radiation detected: gamma and X • -rays, 48keV...3MeV. Alpha, Beta radiation with an external probe • detectors: one energy-compensated GM tube, energy response according to ambient dose equivalent H* ( 10) • dose rate measurement range: 0.01 ! Sv/ h...0.1 Sv/ h or 1 ! rem/ h...10 rem/ h • dose measurement range: 0.01 ! Sv...10 Sv or 1 ! rem...1000 rem • resolution: three signi " cant digits or 0.01 ! Sv/ h on dose rate and 0.01 ! Sv on dose ( 1 ! rem/ h on dose rate and 1 ! rem on dose) • calibration accuracy: ± 5% , 137Cs , calibration direction and in the calibration " eld, temperature + 20 ° C ( 68° F) • dose rate linearity: ± 15% ± least signi " cant number 0.05 ! Sv/ h...0.1 Sv/ h ( 5 ! rem/ h to 10rem/ h) • variation of the response due to photon radiation energy ( RE) and angle of incidence ( RE, A) : 71%