Productspecificaties
Ambient gamma and X radiation doserate equivalent indication range
|
0.01 µSv/h…10 mSv/h or 1 µrem/h…1 rem/h * |
Ambient gamma and X radiation dose rate equivalent measurement range | 0.1 µSv/h…10 mSv/h or10 µrem/h…1 rem/h * |
Ambient gamma and X radiation dose equivalent measurement range | 0.1 µSv…100 mSv or 10 µrem…10 rem * |
Beta particles flux density (or count rate) measurement range | 10…1·104 particle/min·cm2 (or 0.1…1·104 cps) * |
Intrinsic relative error of dose rate measurement in the range from
0.1 µSv/h to 10 mSv/h (10 µrem/h…1 rem/h) |
±20% max. |
X and gamma radiation energy range | 20 keV…3 MeV |
Spectrum maximum energy range of registered beta particles | 155 keV…3.5 MeV |
Energy dependence | |
– When gamma radiation dose rate is measured for 137Cs | ±30% |
– When beta particles flux density is measured for 90Sr+90Y | -60%…+50% |
Sensitivity | |
To 137Cs gamma radiation | 2.8 cps/µSv·h-1 |
To 90Sr+90Y beta radiation | 0.36 cps/particles·min-1·cm-2 |
Radiation overloading | Radiation monitor can withstand 100-fold rise of dose rate measurement and beta particles flux density upper range limit for 5 minutes with readings not lower than maximum |
Continuous run time | ≥500 h |
Working temperature range | -20°C…+55°C |
Relative humidity with air temperature ≤35°C without condensation | ≤95% |
Drop protection | From ≤1.5 m to hard surface |
Protection class | IP57 |
Power supply | 2 x AAA-size batteries (LR 03) or 2 x AAA-seize rechargeable cells with nominal voltage 1.2 V |
Overall dimensions | 110x60x38 mm |
Weight | 0.25 kg |
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