The appearance of IC card water meter is basically similar to that of general water meter, and its installation process is also basically the same. The use of IC card water meter i...

This system transmits the data of water meter, electricity meter, and gas meter to the data processing center through telephone lines or dedicated communication lines, so that the ...

With the increasing demand for privacy in newly-built residential buildings, it is imperative to change the traditional method of meter reading when entering the house, and in the ...