Specification
| AT1315 Gamma Beta Spectrometer | |
| Scintillation detector | NaI(Tl) Ø63×63 mm (Gamma channel) Plastic Ø128×9 mm (Beta channel) |
| Energy range | 50 keV – 3 MeV (Gamma radiation) 150 keV – 3.5 MeV (Beta radiation) |
| Measurement range of volume (specific) activity without sample concentration (Spectrometric and radiometric measurement modes) | 137Cs: 1 – 106 Bq/l (Bq/kg) 40K: 20 – 2·104 Bq/l (Bq/kg) 232Th: 3 – 104 Bq/l (Bq/kg) 226Ra: 3 – 104 Bq/l (Bq/kg) 90Sr: 10 – 106 Bq/l (Bq/kg) (Radiometric mode only) 131I: 10 – 105 Bq/l (Bq/kg) (Spectrometric mode only) 134Cs: 6 – 105 Bq/l (Bq/kg) (Spectrometric mode only) |
| Limits of tolerable intrinsic relative error |
±20% |
| Density range of controlled samples | 0.2 – 1.6 g/cm3 |
| Lower limit of 90Sr measurement range with sample concentration in conversion to “wet” sample | 0.1 Bq/l (For potable water) 0.8 Bq/l (For milk, baby food) 1.0 Bq/kg (For potatoes, corn, grain and agricultural raw materials) |
| Typical resolution at 662 keV (137Cs) | 8% |
| Number of ADC channels | 1024 |
| Power supply | PC USB port |
| Overall dimensions, weight (Protection unit with gamma and beta radiation detection units) | Ø474×910 mm, 194 kg |
| Volume of measurement vessels | For “wet” samples: Marinelli beaker 1 l, Flat vessels 0.5 and 0.1 l For concentrated samples: Flat vessels 0.2 and 0.03 l |
| Control and indication | External PC (option) |
