|
Range of registered energies, keV
|
|
- of gamma-radiation
|
50 - 3000
|
|
- of beta-radiation
|
100 - 3000
|
|
Integral nonlinearity, %
|
|
- for scintillation gamma-spectrometer
|
no more than 1
|
|
- for scintillation beta-spectrometer
|
no more than 2
|
|
- for semiconductor gamma-spectrometer
|
no more than 0,05
|
|
Energy resolution
|
|
- with detection unit BDEG-80 (BDEG-63) on gamma-line
661,7 keV of 137Cs radionuclide, %
|
no more than 9
|
|
- with detection unit BDEG-150 on gamma-line
661,7 keV of 137Cs radionuclide, %
|
no more than 13
|
|
- with detection unit BDEG-K on gamma-line 1332,5 keV of 60Со
radionuclide, keV
|
no more than 3,0
|
|
- with detection unit BDEB on conversion electrons peak with energy 624 keV
of 137Cs radionuclide, %
|
no more than 15
|
|
Maximum
input statistical load, imp-1
|
no less than 50000
|
|
Continuous operation time, h
|
24
|
|
Instability,
(change of
sensitivity) per 8 hours of working, %
|
no more than ±3
|
|
Operation
mode setup time, min
|
no more than 30
|
|
Measured
radionuclides
|
|
- with unit BDEG-K
|
137Cs, 106Ru-106Rh, 134Cs, 144Ce-144Pr,
125Sb, 241Am, 226Ra, 232Th, 40K
and etc.
|
|
- with unit BDEG-80 (BDEG-63, BDEG-150)
|
137Cs, 134Cs, 238U (226Ra), 232Th,
40K, 131I, 60Co
|
|
- with unit BDEB
|
90Sr-90Y, 137Cs
|
|
Minimum
detectable activity with measuring time 1 hour, Bq
|
|
- 137Cs
|
no more than 2
|
|
- 90Sr+90Y
|
1
|
|
- 226Ra
|
no more than 8
|
|
- 232Th
|
no more than 5
|
|
- 40K
|
no more than 40
|
|
- other gamma-radiating artificial radionuclides
|
no more than n·1 - n·10
|
|
Limit of the main permissible error of measurements, %
|
no more than ±30
|
|
Range of
measurement of activities, Bq
|
|
- 137Cs
|
5 - 20·103
|
|
- 90Sr+90Y
|
1 - 2·103
|
|
- 226Ra
|
12 - 20·103
|
|
- 232Th
|
8 - 8·103
|
|
- 40K
|
50 - 20·103
|
|
- other gamma-radiating artificial radionuclides
|
n·1 - n·106
|
|
Power, from the AC mains with frequency 50 Hz, V
|
220
|
|
Power
consumption, VA, no more than
|
200
|
|
Range of operating temperatures, oC
|
10 - 35
|
|
Weight, kg
|
|
- of detection units BDEG and BDEB
|
3,4
|
|
- of analog-to-digital converter MD-198
|
0,4
|
|
- of BDEG-K unit with Dewar flask and liquid nitrogen
|
40
|
|
- of low-background chamber with passive shielding for BDEB unit
|
80
|
|
- of low-background chamber with passive shielding for BDEG unit
|
200
|
|
- of low-background chamber with passive shielding for BDEG-K unit
|
200
|
- of spectrometer-radiometer MKGB-01 in assembly
(with units BDEG-63/80/150)
|
300
|
|
Overall dimensions of shielding units, mm
|
|
- BDEG
|
450х600
|
|
- BDEG-K with Dewar flask
|
480х800
|
|
- BDEB
|
300х400
|
|
Capacity of container for measuring materials, l
|
|
- Marinelly container
|
1
|
|
- Cylindrical container ("mayonez")
|
0,25
|
|
- Cuvette
|
0,038
|
