AT6105 Spectrometric System for Radiation Monitoring


Spectrometric and dosimetric radiation control of area, facilities, wells and other sites.


  • Indication of spectra and dose rate readings by each detection unit (DU) on site plan or terrain map
  • Identification of source radionuclide composition
  • Energy range expandable to 5 MeV
  • Hermetically sealed construction (IP68)
  • Backup power source


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AT6105 Spectrometric System for Radiation Monitoring
Number of detection units (DUs) in the system 1 – 32
Maximum distance of communication line between DUs and the PC 1000 m
Maximum distance of communication line between switchboard unit and PC 100 m
Identified radionuclides Medical, industrial, natural
(The library content can be modified on request)
Continuous battery operation time ≥6 h
PC interface USB / Ethernet / Bluetooth (via interface adapter)
Scintillation detector NaI(Tl) Ø25×16 mm (BDKG-201M
NaI(Tl) Ø25×40 mm (BDKG-203M)
NaI(Tl) Ø40×40 mm (BDKG-205M)
NaI(Tl) Ø63×63 mm (BDKG-211M)
NaI(Tl) Ø63×160 mm (BDKG-219M)
Energy range 20 keV – 3 MeV
Measurement range of ambient dose equivalent rate 50 nSv/h – 1 mSv/h (BDKG-201M)
30 nSv/h – 500 µSv/h (BDKG-203M)
30 nSv/h – 300 µSv/h (BDKG-205M)
30 nSv/h – 120 µSv/h (BDKG-211M)
30 nSv/h – 50 µSv/h (BDKG-219M)
Limits of tolerable intrinsic relative error ±20%
Typical sensitivity to 137Cs gamma radiation 165 cps/(µSv·h-1) (BDKG-201M)
400 cps/(µSv·h-1) (BDKG-203M)
800 cps/(µSv·h-1) (BDKG-205M)
2450 cps/(µSv·h-1) (BDKG-211M)
6000 cps/(µSv·h-1) (BDKG-219M)
Energy dependence relative to 662 keV (137Cs) ±15% (50 keV – 3 MeV)
Typical resolution at 662 keV (137Cs) 8.5% (BDKG-201M)
8% (BDKG-203M)
7.5% (BDKG-205M)
7.5% (BDKG-211M)
8% (BDKG-219M)
Number of ADC channels 1024
Protection class IP68
(Fresh water measurement at depths up to 50 m. Holds hydrostatic pressure up to 5 atm or 0.6 MPa)
Interface RS485
Operation temperature range -35°С to +55°С
Dimensions, weight Ø63×313 mm, 1 kg (BDKG-201M)
Ø63×333 mm, 1 kg (BDKG-203M)
Ø63×333 mm, 1 kg (BDKG-205M)
Ø90×350 mm, 2 kg (BDKG-211M)
Ø90×430 mm, 3.3 kg (BDKG-219M)

Design and specifications are subject to change without notice.
For details please refer to the datasheet.


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