Atomtex AT1125A 放射線モニター (x & γ, 30 nSv/h – 100 mSv/h)

Detector: Scintillator NaI(Tl) Ø25x40mm, Integrated Geiger-Muller counter tub

Ambient gamma and X radiation dose rate equivalent measurement range: 30 nSv/h – 100 mSv/h

Ambient gamma and X radiation dose equivalent measurement range: 10 nSv – 1 0Sv

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

Datasheet