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描述了用于核设施周围环境γ辐射常规和事故应急连续监测系统。该系统由高气压电离室,集成化弱电流放大器,V/F变换器和智能化数据记录仪组成。通过标准RS-232-C接口转储到计算机上进行数据处理和绘图。该系统具有超阈报警,采集记录探测器输出信号和温度等功能。由于采用高绝缘自动量程转换开关,测量范围为10nGy·h~(-1)～10mGy·h~(-1)。监测系统经现场长时间考验工作性能稳定。
Describes a system for the continuous and continuous monitoring of conventional and incidental gamma radiation for the environment surrounding nuclear facilities. The system consists of a high-pressure ionization chamber, an integrated weak current amplifier, a V / F converter and an intelligent data logger. Data is processed and plotted onto a computer via a standard RS-232-C interface. The system has a threshold alarm, capture and record the detector output signal and temperature and other functions. The measurement range is 10nGy · h ~ (-1) ~ 10mGy · h ~ (-1) due to the high insulation automatic range switch. Monitoring system for a long time by the field test performance and stability.