Specification
AT1321 | |
Detectors | Scintillation NaI(Tl), Ø25×40 mm; Geiger-Muller counter tube |
Energy range | 20 keV – 3 MeV |
Detectable activity of 137Cs source, located at the distance of 15 cm in a time not longer than 2 s | (50±10) kBq |
Typical resolution at 662 keV (137Cs) | 8.5% |
Measurement range of ambient dose equivalent rate | 30 nSv/h – 100 mSv/h |
Limits of tolerable intrinsic relative error |
±20% |
Typical sensitivity to 137Cs gamma radiation | 425 cps/(µSv·h-1) |
Energy dependence relative to 662 keV (137Cs) | ±20% (50 keV – 3 MeV) |
Response time for dose rate change from 0.1 to 1 µSv/h | <2 s |
Protection class | IP54 |
Overall dimensions, weight | 145x100x50 mm, 0.7 kg |