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방사선측정장비

AT2140,AT2140A Dosimeter
개인용 알람도시메타
제조사 / 국 : Atomtex / 벨라루스
검출기 종류 :
에너지 범위 : 50 keV...3 MeV
무게 : 110g
크기 : 111 x 70 x 28mm
SPECIFICATIONS



Specifications

AT2140

AT2140А

Ambient gamma radiation dose equivalent rate indication range

0.01 μSv/h ... 10 mSv/h

0.01 μSv/h ... 100 mSv/h

Ambient gamma radiation dose equivalent rate measurement range

0.1 μSv/h ... 10 mSv/h

0.1 μSv/h ... 100 mSv/h

Ambient gamma radiation dose equivalent indication range

0.01 μSv ... 9.99 Sv

Ambient gamma radiation dose equivalent measurement range

0.1 μSv ... 1.99 Sv

Intrinsic relative error of gamma radiation dose rate and dose measurement

±15% max.

Calibration error

±5% max.

Sensitivity to 137Cs gamma radiation

1.8 cps/μSv·h-1

Gamma radiation energy range

50 keV ... 3 MeV

Energy dependence relative to 662 keV (137Cs)

±30% max.

±25% max.

Anisotropy in angular spacing ±60°

 

             For 137Cs and 60Co

±25%

             For 241Am

±60%

Response time for dose rate measurement (For dose rate greater than 1 μSv/h)

≤10 sec

≤5 sec

Radiation overloading

Dosimeter withstands 100-fold rise of dose rate measurement upper range limit with readings not lower than maximum

Total operation time with one battery pack in natural radiation background conditions

≥5,000 h

≥10,000 h

Working temperature range

-20°C ... +50°C

-30°С ... +60°С

Relative air humidity with temperature 35°С and below without moisture condensation

≤95%

Drop protection

From ≤1.0 m to hard surface

Protection class

IР40

Power

2 x AA-size batteries or 2 x AA-size rechargeable cells with nominal voltage 1.2V

Overall dimensions, weight (w/o batteries)

111x70x28mm, 0.11kg


Dosimeters conform to IEC 60846-1:2009 requirement, as well as IEC 61010-1:1990 electrical safety norms and IEC 61000-4-2:2008 & IEC 61000-4-3-2008 EMC requirements.

Radio interference level of Dosimeters does not exceed EN 55011-2007 rates.