Máy đo phóng xạ POLIMASTER PM1621A (tia X, gamma)

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