Description
Features
- Long-duration autonomous 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
- Computer readable data store enables processing of accumulated data after retrieving the spectrometer
COMPLETE SET
- HPGe coaxial detector
- Cryostat combined with cryo-accumulator 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 cryo-accumulator cooling and refilling with liquid nitrogen
- Work station equipped PC with software for spectra visualization and radionuclide identification
SPECIFICATION
| Parameter | Value |
|---|---|
| Energy range, keV | 60 – 3000 |
| HPGe 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 7.4×10-3 |
| 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 HPGe detectors are available by separate order. |
