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Scintillation detector: NaI(Tl) Ø63x63 mm
Energy range: 70 keV – 3 MeV
Identified radionuclides:
137Cs, 134Cs, 131I, 40K, 226Ra, 232Th
Extended library (add 60Co, 24Na, 54Mn, etc.) available on request
Measurement range of specific activity in water (4π geometry):
3 – 1•10^6 Bq/kg [134Cs, 137Cs, 131I]; 250 – 2•10^4 Bq/kg [40K]
Extended library (add 60Co, 54Mn, etc.) available on request
Measurement range of specific activity in bottom sediments (2π geometry):
50 – 1•10^6 Bq/kg [134Cs,137Cs]
250 – 2•10^4 Bq/kg [40K]
Typical resolution at 662 keV (137Cs): 7.5%
Measurement range of ambient dose equivalent rate: 0.03 – 130 µSv/h
Limits of tolerable intrinsic relative error: ±20% (for specific activity and dose rate measurement)
Typical sensitivity to 137Cs gamma radiation: 2350 cps/(µSv·h^-1)
Continuous run time in normal conditions: ≥9 h
Working temperature range: -20°C to +50°C
Protection class of the detection device: IР68 (Withstands static hydraulic pressure up to 5 MPa for not less than 24 h)
Overall dimensions and weight of detection device: Ø130x510 mm, 4.5 kg
Spectrometer parts:
Detection device
Cable spool with slip ring
Dedicated deep-sea cable
Tablet PC (Hand-held PC)
Software
Acoustic sounder, etc.
