Specification
AT1320, AT1320A, AT1320B, AT1320C | |
Controlled radionuclides | AT1320: 137Cs, 40K, 226Ra, 232Th AT1320A: 137Cs, 40K AT1320B: 137Cs, 40K AT1320C: 131I, 134Cs, 137Cs, 40K, 226Ra, 232Th |
Scintillation detector | NaI(Tl) Ø63×63 mm |
Energy range | 50 keV – 3 MeV |
Measurement range of volume (specific) activity | 131I: 3 – 1·106 Bq/l (Bq/kg) 134Cs: 3 – 1·106 Bq/l (Bq/kg) 137Cs: 3.7 – 1·106 Bq/l (Bq/kg) 40K: 50 – 2·104 Bq/l (Bq/kg) 226Ra: 10 – 1·104 Bq/l (Bq/kg) 232Th: 10 – 1·104 Bq/l (Bq/kg) |
Limits of tolerable intrinsic relative error |
±20% |
Density range of controlled samples | 0.1 – 3 g/cm3 |
Typical resolution at 662 keV (137Cs) | 8.5% |
Number of ADC channels | 512 / 1024 (AT1320C) |
Overall dimensions, weight | Ø97×350 mm, 2 kg (Detection unit) 200x106x35 mm, 0.62 kg (Processing unit) Ø600×700 mm, 125 kg (Protection unit) |
Measurement vessels | Marinelli beaker (1 and 0.5 litre) Flat vessel (0.5 and 0.1 litre) Plastic box 380x280x100 mm (10 litre) (1320B – w/o protection unit lid) |
Control and indication | AT1320, A, B: Processing unit or External PC (option) AT1320C: External PC (option) |