Portable gamma radiation scintillation energy spectrometer “GAMMA-1C/NB1-01 (-02, -03)”
Portable scintillation gamma radiation energy spectrometer.
Purpose
Determination of the isotopic composition of radioactive materials, activity of open sources and radionuclides in packaging, degree of enrichment of uranium compounds in transport containers, gamma radiation dose rate
Qualitative and quantitative analysis of various objects for the content of gamma-emitting radionuclides both in field and laboratory conditions
Application
- Customs control of legally and illegally transported radioactive and fissile substances without opening transport and security containers
- Radiation monitoring of the territory adjacent to radiation hazardous facilities: nuclear power plants, nuclear fuel cycle enterprises, military facilities, etc.
- Environmental monitoring of various objects for contamination with gamma-emitting radionuclides, including as part of mobile radiological laboratories
- Radiochemical control of technological processes
Peculiarities
- Crystal-based gamma radiation detection devices:
- Ø40×40 mm NaI(Tl) for “GAMMA-1C/NB1-01”
- Ø38×38 mm LaBr₃(Ce) for “GAMMA-1С/NB1-02”
- Ø25×25 mm LaBr₃(Ce) for “GAMMA-1С/NB1-03”
- Measuring path stabilization system based on a special LED with temperature gain correction function
- Digital signal processing
- Communication of the detection device with a computer via RS, USB or Bluetooth interfaces
- Powered by mains or built-in batteries
- Extended temperature range
- The used spectra processing algorithms ensure high reliability and reliability of the results
- Possibility to use standard Marinelli vessel as measurement geometry
Basic kit contents
- Scintillation digital autonomous gamma radiation detection device
- Rugged laptop with spectrometry software
- Collimator
- Tripod for mounting the detection device with or without a collimator
- Carrying case
Additional devices
- Calibration source
- Calibration Source Storage Container
- Source holder used for easy calibration of the spectrometer
- Laser rangefinder
| Range of detected gamma radiation energies |
from 0.05 to 3 MeV |
| Relative energy resolution along the 662 keV gamma ray line (Cs-137) |
no more than 8.0% (for “GAMMA-1C/NB1-01”) |
| Integral nonlinearity |
±1% |
| Activity measurement range for radionuclide Cs-137 |
from 8 to 1·10⁵ Bq |
| Gamma radiation dose rate measurement range, with permissible relative error ±20% |
from 0.1 to 100 μSv/h |
| Absolute efficiency of registration of gamma quanta with an energy of 662 keV (Cs-137), at a source-detector distance of 25 cm |
not less than 0.0003 (for “GAMMA-1C/NB1-01”) |
| Limits of permissible relative error in activity measurement (P=0.95) |
±(10 to 50)% |
| Maximum statistical load |
not less than 1.5·10⁵ pulse/s (for GAMMA-1С/NB1-01) |
| Number of channels |
1024 |
| Temporary instability over 24 hours of continuous operation |
no more than 1% |
| Operating mode establishment time |
no more than 30 minutes |
| Continuous operation time from built-in battery |
at least 8 hours |
| Continuous operation time when powered from ~220 V mains |
not limited |
| terms of Use |
from –20 to +50 °C, 95% at 35 °C and lower temperatures without moisture condensation |
Delivery methods: delivery to the address, delivery by transport companies. We deliver throughout Russia. Delivery prices are calculated by sales managers. Delivery times are calculated depending on the equipment supplied and the conditions specified in the contract. Payment methods: We accept non-cash payments including VAT.