Description
COMPLETE SET
- Multi Channel Analyzers (MCA) StandMCA
- Detection device UDEG-A (detector BDEG-150-100, installed in a collimator)
- AC/DC adapter of analyzers
- Positioning system
- Stand with screen of shadow protection
- PC with software
SPECIFICATION
| Parameter | Value |
|---|---|
| Type of detectors | NaI(Tl) |
| Number of detection unit – BDEG-150-100 |
1 |
| Range of detected gamma-radiation energies, keV | 50-3000 |
| Relative energy resolution for 661,7 keV, measuring with point-source of the radionuclide 137Cs, %, not more: – BDEG -150-100 |
12 |
| Detection efficiency of the gamma-radiation in the full energy peak of radionuclide 137Cs, with energy 661,7 keV at a distance of 50 mm from the upper surface of detector, %, at least: – detection unit BDEG -150-100 |
7,5 |
| Maximum throughput for each detection units, cps, no less than | 5∙104 |
| Instability of spectrometer indications (energy conversion characteristic) for 24 hours of a continuous operation, %, not more | ±1 |
| Detection sensitivity of spectrometer for detection unit BDEG-150 to radionuclide 137Cs gamma-radiation in energy range from 620 to 700 keV, when measuring in the whole body geometry phantom, cps/Bq, at least: 1) with phantom of an adult (mass 70 kg, height 170 cm) 2) with phantom of an teenager 10 years old (mass 27 kg, height 135 cm) 3) with phantom of a child 2 years old (mass 12 kg, height 90 cm) |
5,5·10^-4 8,5·10^-4 1,0·10^-3 |
| Detection sensitivity of spectrometer for detection unit BDEG-150 to radionuclide 60Co gamma-radiation in energy range from 1100 up to 1410 keV, when measuring in an adult’s lungs phantom, cps/Bq, at least : | 8·10^-3 |
| Measuring range of activity of incorporated radionuclides for detection device UDEG-A, Bq : – 137Cs in body – 60Co in lungs Permissible basic relative error for measuring activities does not exceed 50% (P=0,95). |
from 330 to 15,0·106 from 50 to 9,0·106 |
| Minimal detectable activity of incorporated radionuclides for detection device UDEG-A for 1 hour measuring period, Bq: – 137Cs in body – 60Co in lungs |
200 25 |
| Operation conditions: – ambient air temperature, 0С – relative air humidity, % – atmospheric pressure in the range of, kPa – intensity of magnetic fields of the permanent and variable grid frequencies, А/m |
from 5 to 35 up to 90 from 84 to 106,7 up to 40 |
| Spectrometer detection units in shipping containers are shockproof at shock acceleration of 20 m/s2, shock pulse duration of 15 ms and repetition rate of 10 bit per minute. |
