KS C IEC 60730-2-15-2003 家用和类似用途的自动控制器.第2部分:锅炉用浮子或电极感应器型自动水位感知控制器的特殊要求
Automatic electrical controls for household and similar use-Part 2-15:Particular requirements for automatic electrical water level sensing controls of the float or electrode-sensor type used in boiler applications