Based on Time - to - Count technology , a environmental Gamma - ray radicalization monitor is developed using G - M tube and Single - chip microcontroller MCU) . The Time Measuring is realized by using digital electric circuit and MCU, Impurities Time is overcame , time resolution is raised effectively and the application life of G - M tube is extended greatly. The environmental Gamma - ray radicalization monitor can be used in the hospitals , public places , and the relevant departments of nuclear industry for the X - ray and γ-ray radiation dosage monitoring .%基于Time - to - Count技术,利用GM计数管和单片机设计了一套环境γ辐射监测仪,时间测量采用数字电路和单片机实现,克服了"杂质时间"问题,有效提高了时间分辨率,较大地延长了GM计数管的使用寿命.可用于医院、公共场所、核工业相关单位的X射线和γ射线的辐射剂量监测.
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