"MULTIRAD-gamma" spectrometric system
Energy range of detected radiation, keV: 10 – 250
Maximum permissible relative error of the conversion characteristic (integral nonlinearity), %: ≤ 1.0
Absolute energy resolution, keV, not exceeding:
- at the 59.54 keV full-absorption peak (241Am): 15
- at the 121.78 keV full-absorption peak (152Eu): 22
Relative detection efficiency, at least:
- at the 59.54 keV full-absorption peak (241Am): 0.30
- at the 121.78 keV full-absorption peak (152Eu): 0.20
Minimum measurable radionuclide activity in a wound channel for a 30-minute measurement time (at a confidence level of P=0.95), Bq:
- Plutonium radionuclides
- 241Am: from 1 to 0.4
Warm-up time (to reach operating mode), min: ≤ 30
Continuous operation time, h: ≥ 8
Instability of the conversion calibration characteristic over 8 hours of continuous operation, %: ±2.0
Overall dimensions, mm, not exceeding:
- Detection unit BDKS-25-02-1A (diameter × height): 70 × 260
- Lead shielding SZG-15: 300 × 300 × 390
Weight, kg, not exceeding:
- Detection unit BDKS-25-02-1A: 5.5
- Lead shielding SZG-15: 26.4
Operating conditions:
- Ambient temperature - ambient temperature, °C: -10 to +40
- relative humidity at 35 °C, %: up to 75
- atmospheric pressure, kPa: 84 to 106.7
