A flow meter in the potable water line feeds information to the control system which controls the pump speed to control ratio.
饮用水管道中的流量计向控制系统传送信息，控制系统控制泵的速度以控制比率。
2
Combing capacitance-type level meter and ratio instrument module of DCS controlling system level determination of product caustic soda ground bunker was successfully innovated.
The test indicates that compared with single-meter based traffic flow measurement system, the system reduces the packet loss ratio obviously and enhances the measurement veracity.