【摘要】 设计了一种由两个牵引电磁铁控制的具有两个稳定状态的γ辐射器。简要地描述了双稳定状态电动控制器的工作原理、源活度估算方法及防护容器和控制箱的设计。该产品设计新颖、结构简单、操作方便、使用安全，并已成功地用于火力发电厂料位检测系统。更多还原

【Abstract】 A γ irradiator controlled by two electromagnets has been designed. Its operation principle, an estimation method of the source activity, design of the source container and the control box are briefly described. This product has following advantages: the design is new, the construction is simple, the operation is convenient and the use is safe. The products have been applied in the steam power plants.更多还原