低功耗水资源控制器RTU 支持8路0-20mA模拟输入A/D转换功能，主要用于驳接投入式液位计以及其它任何形式的模拟信号的处理-Low-power water controller RTU supports 8-channel 0-20mA analog input A/D conversion function, mainly used for connecting the input level gauge and any other form of analog signal proces