Specification
| AT1120ME | |
| Detection Unit (DU) | BDKG-05S |
| Processing Unit (PU5) | РU5 is a hand-held PC (HPC) with integrated detection module |
| Detectors | Scintillation SrI2(Eu) Ø38×38 mm (DU) Geiger-Muller counter tube (PU5) |
| Energy range | 20 keV – 3 MeV (DU) 60 keV – 3 MeV (PU5) |
| Detectable activity of 137Cs source, located at the distance of 20 cm in a time not longer than 2 s | (40±4) kBq |
| Typical resolution at 662 keV (137Cs) | 3.2% |
| Measurement range of ambient dose equivalent rate | 0.03 – 150 µSv/h (DU) 1 µSv/h – 100 mSv/h (PU5) |
| Limits of tolerable intrinsic relative error | ±20% |
| Typical sensitivity to 137Cs gamma radiation | 850 cps/(µSv·h-1) (DU) |
| Energy dependence relative to 662 keV (137Cs) | ±20% (50 keV to 3 MeV) (DU) -25% to +35% (60 keV to 3 MeV) (PU5) |
| Response time for dose rate change from 0.1 to 1 µSv/h | ≤2 s (DU) |
| Protection class | IР67 |
| Overall dimensions, weight (assembled with handle) | 320х180х160 mm, 1.85 kg |
