LabVIEW软件来进行设计，完成液位的采集系统设计，并通过 LABVIEW前面板显示液位的高低变化，实现上下限报警，实时采集显示等功能。(LabVIEW software to design, complete the level of the acquisition system design, and through the LABVIEW front panel display level changes, to achieve the upper and lower limits alarm, real-time acquisition display and other functions.)