APPLICATION
Deep-Water gamma-spectrometer is applicable to the registration of gamma-radiation from radionuclides in monitoring of the sea bed for objects from marine accidents, submarine storage of radioactive wastes, search of lost nuclear charges, inspection of radionuclide migration, etc.
FEATURES
-
Long-lasting independent functioning at great depths;
-
Programmable control with built-in microprocessor device;
-
Independent detection and accumulation of gamma -spectra for a predetermined time;
-
Recording and storage of gamma-spectra for an unlimited time period;
-
Possibility of reading and processing data using computers after retrieving the spectrometer.
COMPLETE SET
-
HP(Ge) coaxial detector;
-
Cryostat combined with cryoaccumulator for detector cooling;
-
Spectrometric device with microprocessor and data transfer devices;
-
Durable waterproof housing with power supply for the spectrometer, allowing spectrometer to dive to depths of up to 1000 meters;
-
External equipment for cryoaccumulator cooling and refilling with liquid nitrogen;
-
Work station equipped PC with software for spectra visualization and radionuclide identification.
TECHNICAL CHARACTERISTICS
|
Parameter |
Value |
|
Energy range, keV |
60 - 3000 |
|
HP(Ge) detector efficiency, % |
30 * |
|
Energy resolution for 30% efficiency detector, keV
at energy
122 keV
1.33 MeV |
0.9
1.9 |
|
Detection limit for specific activity of radio nuclides at measurement time1 hour, Bq/l
Cs137
Co60
Mn54
U235
Am141 |
0.259
0.222
0.222
0.333
7.4x10-3 |
|
Number of spectra recorded during self-contained operation |
25 |
|
Maximum diving depth, m |
3000 |
|
Cryoaccumulator cooling time, h |
8 |
|
Continuous operation time after cryoaccumulator cooling, h |
50 |
|
Weight of spectrometer without protective housing, kg |
30 |
|
Weight of equipment for cryoaccumulator cooling by liquid nitrogen, kg |
56 |
* 10% - 160% efficient HP(Ge) detectors are available by separate order.
For additional information, please contact us: sales@bsi.lv