Specification
Measurement | AT3509, AT3509A | AT3509B, AT3509C |
Hp(10) / Ḣp(10) | + | + |
Hp(0.07) / Ḣp(0.07) | – | + |
Measurement range of personal dose equivalent | 1 µSv – 10 Sv | |
Measurement range of personal dose equivalent rate | 0.1 µSv/h – 1 Sv/h (AT3509, А, В) 0.1 µSv/h – 5 Sv/h (AT3509C) |
|
Energy range | 15 keV – 10 MeV (AT3509, В, С) 30 keV – 10 MeV (AT3509A) |
|
Energy dependence relative to 662 keV (137Cs) | ±25% (15 keV – 1.5 MeV) ±60% (1.5 MeV – 10 MeV) |
|
Energy dependence relative to 59.5 keV (241Am) | ±30% (15 – 300 keV) (AT3509B, С) | |
Response time to 10-fold dose rate change | ≤5 s (for dose rate value >1 mSv/h) | |
Time of continuous operation | ≥500 h | |
Protection class | IP54 | |
Overall dimensions, weight | 105x58x23 mm, 100 g(w/o batteries) |