对城市自来水企业的调度部门来说,如能及时了解管网重点地区的水压情况,控制遥远地区加压站的运转,对保证供水区的需要和经济合理的调度有重大的意义。过去我们对重点地区水压的测量,是采用电位计式远距离水压传示仪,通过电话线,直接将转变成电量的水压情况传送至中心调度室。这 For the city water company scheduling department, if we can keep abreast of the pressure situation in the key areas of the pipe network and control the operation of the pressure station in remote areas, it is of great significance to ensure the needs of the water supply area and the economical and reasonable dispatching. In the past we measure the pressure in key areas, is the use of long-distance potentiometer potentiometer, telephone line, directly into the electricity into the water pressure to the central control room. This