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Detector: Geiger-Muller tube
Dose equivalent rate (DER) measurement range: 1 μSv/h – 5.0 Sv/h
DER indication range: 0.01 μSv/h – 6.50 Sv/h
DER measurement accuracy: ±(15 + К1/Ḣ+ К2Ḣ) %, where Ḣ = DER value, mSv/h; К1 = coefficient equal to 0.02 (mSv/h); К2 = coefficient equal to 0.003 (mSv/h)-1
Dose equivalent (DE) measurement range: 1.0 μSv - 9.99 Sv
DE measurement accuracy: ± 15 %
DE indication range: 0.01 μSv – 9.99 Sv
Energy range: 0.048 – 6.0 МeV
Energy response relative to 0.662 MeV:
137Cs, 0.048 – 3.0 МeV: ± 30 %
137Cs, 3.0 – 6.0 МeV: ± 50 %
PC communication: 50 %IR adapter
Power supply: (2.95 ± 0.25)V (one battery, type CR2032)
Battery lifetime: using LCD backlight not more than 5 s/day, audible alarm – not more than 20 s/day and at an average value of the measured DER up to 0.3 μSv/h, at least
9 months
Ingress protection: IP67
Drop test on concrete floor: 1.5 m
Alarm Type: audible
Additional functions: Clock-calendar mode (time, date), timer mode (set of time intervals) , stop-watch mode (measurement of time intervals)
Operating temperature: -20 up to +70 °C (from -4 up to +158 °F)
Humidity: up to 98% at 35°C (95°F)
Atmospheric pressure: from 84 up to 106.7 kPa
Dimensions: 50х56х19 mm; 50x90x19 mm – with a clip
Weight: 0.085 kg
Mean service lifetime: 10 years
