Vacuum treatment The water meter counting system uses vacuum packaging treatment, which can effectively isolate water vapor and other small things, prevent condensation or fogging, and affect the subsequent experience PreservativeThe core components of the water meter are made of high quality copper with strong corrosion resistance, good oxidation resistance, no corrosion, no scale, not afraid of damage, and greatly extend the service life is, and the data displayed on the dial is clear and easy to read Wide Uses Water meter calibration is suitable for measuring water flow under general temperature. Nominal flow: 1.5, transition flow: 0.12, pressure: 1Mpa, suitable for home or garden Easy to Install Besides the water meter, the package also includes the screws, nuts and washers that needed to install the water meter. The accessories are complete and the installation is very simple. However, it is recommended to have the installation and operation done by a professional hydraulic engineer