【摘要】 氦气是高温堆核电站的反应堆中常用的冷却剂，氦气湿度是触发保护动作的重要参数。简述氦气湿度测量系统的湿度仪选型和系统的构成，并分析了影响湿度测量的因素和设计中应注意的问题。更多还原

【Abstract】 Helium is a kind of refrigerant often used in the HTR of nuclear power station, and the humidity of helium is an important parameter to trigger the security system. The selection of hygrometer and the structure of hygrometer system of helium are described. The factors influencing measurement and the problems should be noticed are analyzed as well.更多还原