Personal dosimeters — DKS-AT3509 ДКС-АТ3509А, ДКС-АТ3509В, ДКС-АТ3509С
Equivalent dose measurement ranges (with a step of 0.1 µSv): — 1 µSv ÷ 10 Sv
Equivalent dose rate ranges: — 0.1 µSv/h ÷ 1 Sv/h
Equivalent dose rate ranges: — 0.1 µSv/h ÷ 5 Sv/h
Intrinsic measurement error for dose (in the absence of concurrent beta radiation), % — ± 15
in the range from 0.1 to 1 µSv/h — ± 30
above 1 µSv/h — ± 15
Calibration error (using 137Cs) — ± 5
Energy range: — 15 keV ÷ 10 MeV
Energy range: — 30 keV ÷ 10 MeV
Response time to a change in dose rate (at a dose rate of 10 µSv/h), s — 5
for 137Cs and 60Co — ± 20
for 241Am — ± 50
for dose — 30 µSv; 200 µSv; 1 mSv; 4.2 mSv; 12.5 mSv; 50 mSv; 100 mSv; 1 Sv
for dose rate — 0.3 µSv/h; 3 µSv/h; 30 µSv/h; 300 µSv/h; 3 mSv/h; 30 mSv/h; 300 mSv/h 1 Sv/h
Radiation overload (no "re-zeroing" or "fold-back" effect) up to, Sv/h — 10
Operating temperature range, °C — -10 to +40
Relative humidity at +35°C, up to, % — 90
Drop resistance (height), m — 1.5
Protection class — IP54
Power supply — 2 x AAA (LR03) batteries; compatible with rechargeable batteries
Continuous operation time with one set of batteries at a dose rate of 100 µSv/h, hours (minimum) — 300
Overall dimensions, mm — 58 x 104 x 23
Weight (excluding batteries), g — 100
