PH by the end of the volume of water PH measurement, signal processing and data input after the PLC, controlled by the PLC to add pharmaceutical regulation so that the water reach the required PH PH .

• 最后由PH值量计对水中的PH值进行测量，并将数据进行信号处理后输入PLC中，由PLC进行控制调节添加药剂使水中的PH达到规定PH值。