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Detection unit (DU): BDKG-11M
Detectors: Scintillator, NaI(Tl), Ø63x63 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 – 150 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: 2700 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:
Ø78х320 mm, 1.7 kg (DU)
258х87х40 mm, 0.6 kg (PU4)
