The design of the water meter installation need to conform to the requirements of the water meter work. In order to reduce the water meter measuring error, at the time of the design and installation points to note: a water meter must be installed on the straight section of pipe; Try to install water meter level; Do not install the meter in the strong vibration or water hammer involved in places as far as possible avoid install the water meter design in a soft location; Can install on the road in the tube small "water hammer" eliminator, avoid opening and closing of the valve or tap "water hammer"; The pipe installation is done, it should be the pipe rinse and then debris to the installation of water meter; After water meter installation or pipe repair, should fully open valves before table, through the exhaust valve, emptying air in the pipe; Should choose as far as possible inside sleek, internal coating of good pipe lining and hydraulic conditions, reduce wall scaling phenomenon.