How to choose large caliber intelligent water meter?
Choice have to consider the issue in advance, large caliber intelligent meter is the power, because of the large caliber smart meter long running, long uninterrupted power supply, in order to ensure stable operation, many manufacturers have developed can direct 220V alternating current, but because some aspect cannot meet the construction AC, also have lithium battery powered or battery power supply however, the power supply mode is also a problem, difficult maintenance and replacement costs are higher.
From the aspect of control and management, large caliber intelligent water meter is divided into IC card control or remote control. At present, domestic IC card control system is more mature, so the use of IC card control of large caliber smart meter used more. According to the requirements of water users, the IC card is divided into a large caliber water meter one card (a card, a control table) and a table card (multi user cards share one meter), is also a multi table card (a user can use more than one meter).
Large caliber intelligent water meter: refers to the large caliber water meter (above DN40) on the basis of the control system and valve system, according to the water meter and the valve are integrated together into one table, and the valve valve separately, are seen on the market, is usually large caliber valve separately, intelligent the table used for centralized water supply pipe network pressure, large fluctuations, so the higher requirement on the water meter, meter valve body in the event of a failure is not easy to remove, repair trouble, unless the overall change table, table separate valve is convenient for customer service.