The intelligent probe RD-02 is developed by RADOS Technology Oy , Finland , which adopts GM tube as a sensor and TIM technique is used to monitor γ and X radiation dose rate .
芬兰RADOS公司研制的RD-02型智能探头，是一种用GM计数管作传感器、用脉冲时间间隔法（TIM）监测γ、X辐射剂量率的探头。
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