Personal dosimeters — DKG-AT2503
Equivalent dose measurement ranges (with a step of 0.1 µSv) — 1 µSv ÷ 10 Sv
Equivalent dose rate: — 0.1 µSv/h ÷ 0.5 Sv/h
Equivalent dose rate: — 0.1 µSv/h ÷ 0.1 Sv/h
Energy range — 50 keV ÷ 1.5 MeV
Intrinsic dose measurement error — ± 15%
Calibration error (using 137Cs) — ± 5%
In the range from 0.1 to 1 µSv/h — ± 25%
Above 1 µSv/h — ± 15%
Energy dependence of sensitivity in the 50 keV range — ? 1.5 MeV — ± 30%
Dose values: 30 µSv, 200 µSv, 1 mSv, 4.2 mSv, 12.5 mSv, 50 mSv, 100 mSv, 1 Sv
Dose rate values: 0.6 µSv/h, 3 µSv/h, 30 µSv/h, 300 µSv/h, 3 mSv/h, 30 mSv/h, 300 mSv/h, 500 mSv/h
For 137Cs and 60Co — ± 20%
For 241Am — ± 50%
Response time to a change in dose rate (at dose rates > 10 µSv/h) — 5 s
Radiation overload (no "fold-back" effect) — 5 Sv/h, 1 Sv/h
Operating temperature range — -10°C to +40°C
Relative humidity at +40°C — up to 98%
Warm-up time (time to reach operational state) — 1 min Protection rating — IP54
Power supply — a set of 3 batteries (SC-33, SR-44, V357, LR44, or A76)
Continuous operation time with one set of batteries at a dose rate < 1 µSv/h in power-saving mode (with the indicator turned off) — 5000 hours
Dosimeter — 85 x 46 x 16 mm
Reader unit — 90 x 66 x 28 mm
Dosimeter — 70 g
Reader unit — 300 g
