自动水位控制器，2浮子（受水水池水少和水满控制各1浮子）抽水时间有限制，以便减少因为水井枯水导致水泵长时间空抽引发的水泵和电机发热故障。Yong_1228@qq.com-Automatic water level controller, 2 float (less water and water by the water of full control and 1 float) Pumping time is limited, in order to reduce the lead to pum