Specification
| AT2327 Alarm Dosimeter | ||
| Number of detection units in one alarm dosimeter | 1 – 10 | |
| Number of alarm dosimeters in system configuration with PC connection | Up to 32 | |
| Maximum distance between a detection unit and the control panel/PC | 1000 m | |
| Burn-up life | ≥100 Sv ≥108 Sv (BDKG-27) ≥5·104 Sv (UDKG-37/2) |
|
| Detector | BDKG-02 / BDKG-17 | Geiger-Mueller counter tube |
| BDKG-204 | Scintillation plastic, Ø30×15 mm | |
| BDKG-11 | NaI(TI) scintillator, Ø63×63 mm | |
| BDKG-27 | Ion chamber | |
| UDKG-37/2 | Silicon semiconductor detector +Geiger-Muller counter tube | |
| BDPB-01 | Scintillation plastic, 30 cm2 | |
| BDKN-02 / BDKN-04 | He-3 counter in polyethylene moderator | |
| Measurement range of gamma radiation ambient dose equivalent rate | BDKG-02 | 0.1 µSv/h – 10 Sv/h |
| BDKG-204 | 0.05 µSv/h – 10 Sv/h | |
| BDKG-11 | 0.03 – 100 µSv/h | |
| BDKG-17 | 1 mSv/h – 100 Sv/h | |
| BDKG-27 | 50 mSv/h – 4000 Sv/h | |
| UDKG-37/2 | 1 µSv/h – 5000 Sv/h | |
| Measurement range of gamma radiation average pulsed radiation dose rate | UDKG-37/2 | 80 µSv/s – 0.3 Sv/s (pulse repetition rate is not less than 20 cps, duration not less than 1 μs) |
| Measurement range of neutron radiation ambient dose equivalent rate | BDKN-02 | 0.1 µSv/h – 10 mSv/h [From Pu-Be source] |
| BDKN-04 | 0.1 µSv/h – 10 mSv/h | |
| Measurement range of beta particles flux density | BDPB-01 | 1 – 5·105 particle·min-1·cm-2 |
| Measurement range of neutron flux density | BDKN-02 | 0.1 – 104 neutron·s-1·cm-2 |
| BDKN-04 | 0.1 – 104 neutron·s-1·cm-2 [From Pu-Be source] | |
| Energy range of gamma radiation | BDKG-02 | 60 keV – 3 MeV |
| BDKG-11 | 50 keV – 3 MeV | |
| BDKG-17 | 60 keV – 3 MeV | |
| BDKG-27 | 60 keV – 1.5 MeV | |
| BDKG-204 | 20 keV – 10 MeV | |
| UDKG-37/2 | 50 keV – 10 MeV | |
| Energy range of beta radiation | BDPB-01 | 155 keV – 3.5 MeV |
| Energy range of neutron radiation | BDKN-02 / BDKN-04 | 0.025 eV – 14 MeV |
| Typical sensitivity to 137Cs gamma radiation | BDKG-02 | 4.0 cps/(µSv·h-1) |
| BDKG-204 | 70.0 cps/(µSv·h-1) | |
| BDKG-11 | 1970 cps/(µSv·h-1) | |
| BDKG-17 | 0.005 cps/(µSv·h-1) | |
| BDKG-27 | 2.1 μC/Sv | |
| UDKG-37/2 | 0.15 cps/(µSv·h-1), for dose rate ≤0.2 Sv/h; 58 mV/(Sv·h-1), for dose rate >0.2 Sv/h |
|
| Typical sensitivity to 90Sr+90Y beta radiation | BDPB-01 | 0.3 cps/(particle·min-1·cm-2) |
| Typical sensitivity to Pu-Be neutron radiation | BDKN-02 / BDKN-04 | 0.5 cps/(neutron·s-1·cm-2) |
| BDKN-02 / BDKN-04 | 0.355 cps/(µSv·h-1) | |
| Energy dependence relative to 662 keV (137Cs) | BDKG-02 | -20%…+35% |
| BDKG-11 | ±20% | |
| BDKG-17 | -25%…+35% | |
| BDKG-27 | ±30% | |
| UDKG-37/2 | ±30% | |
| BDKG-204 | -45% to +35% (20 – 60 keV); ±25% (60 keV – 3 MeV); ±50% (3 – 10 MeV) |
|
| Protection class | BDKG-02 | IP57 |
| BDKG-11 | IP65 (In sealed container) | |
| BDKG-17 | IP64 | |
| BDKG-27 | IP65 (Processing unit); IP65 (Ion chamber) | |
| BDKG-204 | IP67 | |
| UDKG-37/2 | IP68 (Detection unit); IP65 (Interface unit) | |
| BDPB-01 | IP64 | |
| BDKN-02 | IP54 | |
| BDKN-04 | IP54 | |
| Processing Unit | IP55 | |
| Alarm Unit | IP65 | |
| Data Display | IP21 | |
