دزیمتر محیطی سنجش اشعه (رادیومتر) Rados RDS-31 survey meter

mirion RDS31 survey dosimeter specification:
• Radiation detected: gamma and X-rays, 48keV...3MeV. Alpha & Beta radiation with external probes • Detectors: one energy-compensated GM tube, energy response according to ambient dose equivalent H*(10) • Dose rate measurement range: 0.01 μSv/h...0.1 Sv/h or 1 μrem/h...10 rem/h • Dose measurement range: 0.01 μSv...10 Sv or 1 μrem...1000 rem • Resolution: three significant digits or 0.01 μSv/h on dose rate and 0.01 μSv on dose ( 1 μrem/h on dose rate and • 1 μrem on dose) • Calibration accuracy: ± 5%, 137Cs , calibration direction and in the calibration field, temperature +20 °C (68°F) • Dose rate linearity: ± 15% ± least significant number 0.05 μSv/h...0.1 Sv/h (5 μrem/h to 10rem/h) • Variation of the response due to photon radiation energy and angle of incidence: ( R E,A ) • 71% < RE,A < 160% (48 keV...3 MeV ); ± 60•