Accurate water measuring is a sure trend of agricultural development.Advanced water measuring equipment is a key to realizing it.The electronic digital water level-monitor sensor can record the process of water level,and through a pre-set or a standard weir stage-discharge relationship for flow and accumulation of water.Through the process of calculation,data are kept,displayed and transmitted directly by digits.From the application in Xinjiang Irrigation Area,it makes the continuous and accurate irrigation water measuring come true.It ensures that the data are exact,real and open,the planned and used water become consistent.It ensures rational,allotment and use of water.The aim of measuring water according to each family and paying water bills by cube will be realized step by step.