Specification
| BDKN-01 / BDKN-02 | BDKN-03 / BDKN-04 | |
| Detector: He-3 proportional counter in polyethylene moderator | One He-3 counter | One He-3 counter |
| Energy range | 0.025 eV – 14 MeV | 0.025 eV – 14 MeV |
| Measurement range of ambient dose equivalent rate | 0.1 µSv/h – 10 mSv/h [Pu-Be source] |
0.1 µSv/h – 10 mSv/h |
| Typical sensitivity to Pu-Be radiation, (In dose rate measurement mode) |
0.355 cps/(µSv·h-1) | 0.355 cps/(µSv·h-1) |
| Measurement range of flux density | 0.1 – 104 neutrons·s-1·cm-2 | 0.1 – 104 neutrons·s-1·cm-2 |
| Typical sensitivity to Pu-Be radiation, (In flux density measurement mode) |
0.5 cps/(neutrons·s-1·cm-2) | 0.5 cps/(neutrons·s-1·cm-2) |
| Limits of tolerable intrinsic relative error |
±35% (dose rate) ±20% (flux density) |
±20% (dose rate) ±35% (flux density) |
| Protection class | IP64 | IP64 |
| Interface | RS 232 (BDKN-01) RS 485 (BDKN-02) |
RS 232 (BDKN-03) RS 485 (BDKN-04) |
| Operation temperature range | -40°С to +50°С | -40°С to +50°С |
| Dimensions, weight | Ø90×260 mm, 2 kg | 316x220x265 mm, 8 kg |
| BDKN-05 | BDKN-06 | |
| Detector: He-3 proportional counter in polyethylene moderator | Two He-3 counters | One He-3 counter |
| Energy range | 0.025 eV – 14 MeV | 0.025 eV – 16 MeV |
| Measurement range of ambient dose equivalent rate | – | 0.1 µSv/h – 30 mSv/h |
| Typical sensitivity to Pu-Be radiation, (In dose rate measurement mode) |
– | 0.7 cps/(µSv·h-1) |
| Measurement range of flux density | 0.1 – 2·103 neutrons·s-1·cm-2 | – |
| Typical sensitivity to Pu-Be radiation, (In flux density measurement mode) |
10 cps/(neutrons·s-1·cm-2) | 1 cps/(neutrons·s-1·cm-2) |
| Limits of tolerable intrinsic relative error |
±20% (flux density) | ±20% (dose rate) |
| Protection class | IP54 | IP64 |
| Interface | RS 232 | RS 232 |
| Operation temperature range | -20°С to +50°С | -30°С to +50°С |
| Dimensions, weight | 105x115x380 mm, 3.5 kg | 550x254x254 mm, 10 kg (w/o tripod) |
