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Dose-rate estimation through gamma-ray
---spectrum measurement and analysis

  • Autonomous peak-drift compensation due to temperature variations
  • Identification of natural and artificial radiations
  • Monitoring of high dose-rate with G-M counter
Built-in weather sensor (temperature, rainfall,
---and wind velocity)
 
NaI(Tl) Detector(low-dose rate) :
---up to 5m R/h
---(option) GM (high-dose rate) : 10mR ~
---1000 R/h
---(option) Weather Sensor :Rainfall,
---Temperature, Wind Velocity (8 directions)
---(option) GPS : Time, Position
DSP : TMS320VC32-50, 25 MIPS
Memory : 30
Communication : Serial Port
HV board : 0 ~ 1000V, adjustable
ADC board : Gain Control/12 bit ADC







Spectrum acquisition every 15 min
Autonomous correction of
---spectrum
Dose-rate estimation through
---energy-band method
(Top) Raw spectrum
(¾Æ·¡) After temperature compensation