Atomtex AT1120A Radiation Monitor (γ, 0.03 – 300 µSv/h)

Detection unit (DU): BDKG-05M

Detectors: Scintillator, NaI(Tl), Ø40x40 mm (DU), Geiger-Mueller counter tube (PU4)

Energy range:

20 keV – 7 MeV (DU)

60 keV – 3 MeV (PU4)

Detectable activity of 137Cs source, located at the distance of 20 cm in a time not longer than 2 s: (30±6) kBq

Typical energy resolution at 662 keV (137Cs): 7.5%

Measurement range of ambient dose equivalent rate:

0.03 – 300 µSv/h (DU)

1 µSv/h – 100 mSv/h (PU4)

Limit of gamma and x-ray radiation dose rate measurement intrinsic relative error: ±20%

Radionuclide identification: Medical, Industrial, Natural (Library of identified radionuclides can be corrected)

Typical sensitivity to 137Cs gamma radiation: 870 cps/(µSv·h^-1)

Response time for dose rate change from 0.1 to 1 µSv/h: <2 s (DU)

Continuous run time: ≥12 h

Protection class: IР54 (DU), IР67 (PU4)

Operation temperature range:

From -20°С to +50°С(DU)

From -30°С to +60°С(PU4)

Relative humidity: ≤95% (with air temperature ≤35°С w/o condensation)

Overall dimensions, weight:

Ø60х300 mm, 0.9 kg (DU)

258х87х40 mm, 0.6 kg (PU4)

Datasheet