Detection and localization of neutron sources
Parameter | Value |
---|---|
Detector | He-3 counters, SBM-20 |
Alarm threshold at velocity 0.5 m/sec at 1 m distance | 2 х 104 n/sec or 200 g of WGPu in lead |
Static sensitivity | 20 pulse * cm2 / neutron |
False alarm rate | 1:600 sec |
Dose rate indication | Neutron: 0.28 uSv/h - 700 uSv/h Gamma: 0.14 uSv/h - 1400 uSv/h |
Continues operation | Search mode - 8 hours Identification - 3 hours |
Environmental | -20..+50°С, IP 54 |
Size, weight | 300х150х120mm, 4.5 kg |