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Gamma channel: Scintillator NaI(Tl), Ø63x63 mm
Beta channel: Plastic scintillator, Ø128x9 mm
Energy range:
Gamma radiation: 50 keV – 3 MeV
Beta radiation: 150 keV – 3.5 MeV
Measurement range of volume (specific) activity without sample concentration (Spectrometric and radiometric measurement modes)
137Cs: 1 - 10^6 Bq/l (Bq/kg)
40K: 20 - 2•10^4 Bq/l (Bq/kg)
232Th: 3 - 10^4 Bq/l (Bq/kg)
226Ra: 3 - 10^4 Bq/l (Bq/kg)
90Sr (Radiometric mode only): 10 - 10^6 Bq/l (Bq/kg)
131I (Spectrometric mode only): 10 - 10^5 Bq/l (Bq/kg)
134Cs (Spectrometric mode only): 6 - 10^5 Bq/l (Bq/kg)
Limit of activity measurement 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:
- For potable water: 0.1 Bq/l
- For milk, baby food: 0.8 Bq/l
- For potatoes, corn, grain and agricultural raw materials: 1.0 Bq/l
Typical energy resolution at 662 keV (137Cs): 8%
Number of ADC channels: 1024
Power supply: USB port of personal computer
Overall dimensions, weight Protection unit with gamma and beta radiation detection units: ø474х910 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 vessel, 0.2 and 0.03 l
