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Detector: Scintillator NaI(Tl) Ø25x40mm
Ambient gamma and X radiation dose rate equivalent measurement range: 30 nSv/h – 300 µSv/h
Ambient gamma and X radiation dose equivalent measurement range: 10 nSv – 1 0mSv
Limit of intrinsic relative error of dose rate and dose measurement: ±15%
Energy range of registered X-ray and gamma radiation: 50 keV – 3 MeV
Typical sensitivity:
For 137Cs: 350 cps/(µSv·h^-1)
For 241Am: 3800 cps/µSv·h^-1
Energy dependence relative to 662 keV ( 137Cs): ±15%
Response time for dose rate change from 0.1 to 1 µSv/h: ≤2 s (accuracy error ≤±10%)
Detection time of 137Cs source with 10 kBq activity at 5 cm distance: <2 s
Count rate measurement range: 1 – 10^5s^-1
Power supply: Internal rechargeable Ni-MH battery or AC power adapter
