Specification
| UDKG-37 | UDKG-37/1 | |
| Components | BDKG-37 Detection Unit IU-37 Interface Unit |
BDKG-37 Detection Unit IU-37/1 Interface Unit |
| Detector | Silicon semiconductor detector; Geiger-Muller counter tube |
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| Energy range | 50 keV – 10 MeV | |
| Measurement range of ambient dose equivalent rate Ḣ*(10) | 1 µSv/h – 5000 Sv/h | |
| Limits of tolerable intrinsic relative error | ±25%, for Ḣ*(10)≤10 µSv/h ±15%, for Ḣ*(10)>10 µSv/h |
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| Measurement range of pulsed radiation average dose rate | 30 µSv/s – 0.3 Sv/s (100 mSv/h – 1000 Sv/h) (pulse repetition rate is not less than 20 cps, duration not less than 1 μs) |
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| Limits of tolerable intrinsic relative error | ±25% (for measurement of average dose rate of pulse radiation) | |
| Typical sensitivity to 137Cs gamma radiation | 0.15 cps/(µSv·h-1), for Ḣ*(10)≤0.1 Sv/h 58 mV/(Sv·h-1), for Ḣ*(10)>0.1 Sv/h |
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| Energy dependence relative to 662 keV (137Cs) | ±30% | |
| Response time for 10-fold dose rate change | ≤10 s, for Ḣ*(10)>10 µSv/h | |
| Burn-up life | ≥50000 Sv | |
| Protection class | IP68 (Resistance to static hydraulic pressure up to 400 kPa; water immersion depth up to 40 m) (BDKG-37) IP65 (IU-37) |
|
| Interface | RS485 | RS232 |
| Operation temperature range | -40°С to +60°С | |
| Dimensions, weight | Ø30×130 mm, 0.25 kg (BDKG-37) 170x80x55 mm, 0.3 kg (IU-37) |
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