Abstract：It is essential to exploit the on-line monitoring system according to the actuality of urban sewage disposal in Zhenjiang.The on-line equipment and indicator adopted in this system,as well as its applying situation were presented in the paper.An early warning system,which monitored on-line in the outlet of industrial wastewater of urban pipeline network was put forward.The testing apparatus for acidity in industry was integrated with the communication module,and pH value of industrial wastewater were monitored on-line using GPRS(Wireless Communication) technology.The urban pipeline network,pumping station and equipment of sewage factory were protected effectively.Furthermore,this monitoring on-line system has instructional significance for global layout of the drainage system.
