Specification
| AT1320M Gamma Activity Monitor | |
| Scintillation detector | NaI(Tl) Ø63×63 mm | 
| Energy range | 20 – 500 keV | 
| Measurement range of volume activity | 5 – 2·106 Bq/l (125I) 3 – 2·105 Bq/l (201Tl, 99mTc, 111In, 123I, 131I) 20 – 2·106 Bq/l (51Cr)  | 
| Limits of tolerable intrinsic relative error | 
±30% | 
| Density of controlled samples | 1 g/cm3 | 
| Overall dimensions, weight | 106x220x35 mm, 0.5 kg (Processing unit) Ø98×350 mm, 2.0 kg (Detection unit) Ø600×700 mm, 125 kg (Protection unit)  | 
| Control and indication | Processing unit or External PC (option) | 










