AT6130C Radiation Monitor

Compact reasonably priced device intended for gamma radiation ambient dose equivalent and ambient dose equivalent rate measurement.
  • Low weight and small size
  • Automatic compensation of intrinsic detector background
  • Sound and visual alarm in case threshold level is exceeded for dose and dose rate
  • Rapid reaction to statistically significant change of dose rate (measurement process restart)
  • Dose rate and dose thresholds can be selected in entire measurement range and saved when the radiation monitor is switched off
  • Field operation capability over a wide temperature range
  • In search mode each registered gamma quantum is indicated by a sound signal
  • Up to 100 measurement results can be stored in non-volatile memory with information about measurement date and time
  • Measurement results, current time, date and battery life indicator is displayed on matrix LCD screen
  • Bright white backlit LCD-screen
  • Radiation protective measures in case of nuclear disasters
  • Civil protection
  • Radioecology
  • Fire-fighting service
  • Customs service
  • Dosimetric monitoring in manufacturing facilities, health care and other institutions
Operating principle
Device operating principle is based on the process of count rate measurement of impulses, generated in Geiger-Muller counter tube under the influence of gamma radiation.
Count rate is converted automatically into measurable physical values throughout the range. Energy compensating filter allows correcting energy dependence of sensitivity efficiently in entire energy range of gamma radiation.
Microprocessor-based unit is responsible for controlling the radiation monitor operating modes, calculations, storing and displaying measurement results and for self-checking function.
The radiation monitor AT6130C has the pattern approval certificates of Republic of Belarus, Russian Federation, Ukraine, Kazakhstan and Lithuania.


Standard energy response of monitor
sensitivity respect to 137Cs
gamma radiation of 662 keV
Standard sensitivity response upon
gamma radiation incidence angle
respect to the calibration direction
Ambient gamma radiation dose equivalent rate indication range
0.01 µSv/h...1 mSv/h
(or  1 µrem/h...100 mrem/h)*
Ambient gamma radiation dose equivalent rate measurement range 0.1 µSv/h...1 mSv/h
(or  10 µrem/h...100 mrem/h)*
Ambient gamma radiation dose equivalent indication range 1 nSv...100 mSv
(or  0.1 µrem...10 rem)*
Ambient gamma radiation dose equivalent measurement range 0.1 µSv...100 mSv
(or  10 µrem...10 rem)*
Intrinsic relative error of dose rate measurement in the range from 0.1 µSv/h to 1 mSv/h
±20% max.
Gamma radiation energy range 50 keV...3 MeV
Sensitivity to 137Cs gamma radiation 2.8 cps/µSv·h-1
Response time for dose rate measurement
(for dose rate ≥1 µSv/h)
≤7s  (accuracy error ≤±10%)
Energy dependence relative to 662 keV (137Cs) ±30%
Radiation overloading Radiation monitor can withstand 100-fold rise of dose rate measurement upper range limit for 5 minutes with readings not lower than maximum
Continuous run time in natural background conditions ≥800 h
Working temperature range -20°C...+55°C
Relative humidity with air temperature ≤35оС without condensation ≤95%
Drop protection From ≤1.5 m to hard surface
Protection class IP40
Power supply 2 x AA-size batteries (LR 6) or 2 x AA-size rechargeable cells with nominal voltage 1.2 V
Overall dimensions 111x70x28 mm
Weight 0.2 kg
* Units of measure are chosen during ordering procedure and cannot be altered later 

The radiation monitor meets International standard requirements:IEC 60846-1:2009,
IEC 60325:2002; Safety standard requirements:IEC 61010-1:1990 EMC requirements:
EN 55022:1998+А1:2000+А2:2003, EN 55024:1998+A1:2001+A2:2003, IEC 61000-4-2:2001,
IEC 61000-4-3:2008.

Design and specifications are subject to change without notice

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