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Detector: Scintillator NaI(Tl) ø63x63 mm
Energy range: 50 keV – 3 MeV
Measurement range of volume (specific) activity:
131I: 3 – 4•10^5 Bq/l (Bq/kg)
134Cs: 3 – 1•10^5 Bq/l (Bq/kg)
137Cs: 3.7 – 1•10^5 Bq/l (Bq/kg)
40K: 50 – 2•10^4 Bq/l (Bq/kg)
226Ra: 10 – 1•10^4 Bq/l (Bq/kg)
232Th: 10 – 1•10^4 Bq/l (Bq/kg)
Measurement geometry - Marinelli beaker 0.5l (measurements are done in 1l Marinelli beaker with a sample of 0.5l volume):
134Cs: 5 – 1•10^5 Bq/l (Bq/kg)
137Cs: 5 – 1•10^5 Bq/l (Bq/kg)
40K: 70 – 2•10^4 Bq/l (Bq/kg)
Measurement geometry - Flat-type container 0.5l
131I: 20 – 4•10^5 Bq/l (Bq/kg)
134Cs: 20 – 1•10^5 Bq/l (Bq/kg)
137Cs: 20 – 1•10^5 Bq/l (Bq/kg)
40K: 200 – 2•10^4 Bq/l (Bq/kg)
Measurement geometry - "Denta" container 0.1l
131I: 50 – 4•10^5 Bq/l (Bq/kg)
134Cs: 50 – 1•10^5 Bq/l (Bq/kg)
137Cs: 50 – 1•10^5 Bq/l (Bq/kg)
40K: 500 – 2•10^4 Bq/l (Bq/kg)
Limit of intrinsic relative error of volume (specific) activity measurement: ±20%
Measured sample density range: 0.1 – 3 g/cm 3
Number of ADC channels: 512
Intrinsic background for 137Cs window :<2 cps
Typical resolution at 662 keV ( Cs): 8.5%
Minimum measured activity for 1-hour measurement with statistical error ±50% (P=0.95):
Measurement geometry - Marinelli beaker, 1l:
131I: 4 Bq/l (Bq/kg)
134Cs: 4 Bq/l (Bq/kg)
137Cs: 5.7 Bq/l (Bq/kg)
40K: 78 Bq/l (Bq/kg)
226Ra: 12 Bq/l (Bq/kg)
232Th: 10.4 Bq/l (Bq/kg)
Measurement geometry - Marinelli beaker 0.5l:
134Cs: 8 Bq/l (Bq/kg)
137Cs: 8 Bq/l (Bq/kg)
40K: 110 Bq/l (Bq/kg)
Measurement geometry - Flat-type container, 0.5l:
131I: 20 Bq/l (Bq/kg)
134Cs: 20 Bq/l (Bq/kg)
137Cs: 20 Bq/l (Bq/kg)
40K: 260 Bq/l (Bq/kg)
Measurement geometry - "Denta" container, 0.1l:
131I: 50 Bq/l (Bq/kg)
134Cs: 50 Bq/l (Bq/kg)
137Cs: 52 Bq/l (Bq/kg)
40K: 690 Bq/l (Bq/kg)
Operation mode setup time: 10 min
Continuous run time: ≥24 h
Working temperature range: 0°С to +40°С
Relative humidity with air temperature ≤30 С without condensation: ≤75%
Overall dimensions, weight (without PC):
Detection unit: ø97х350 mm, 2 kg
Protection unit: ø600х700 mm, 125 kg
USB-DU adapter: 95x51x33 mm, 0.07 kg
