The new standard points out that all water meters must clearly and permanently concentrate or disperse the following contents on the shell, dial or nameplate. This standard is also applicable to water meters in the Internet of Things. Among them, we need to pay attention to four points. The contents on famous brands must include the following aspects:

A) the name or trademark of the manufacturer;

B) metering grade, water meter code and pressure loss (MPa);

C) year of manufacture and serial number;

What should be included in the national standard nameplate of IC card water meter?

D) Mark one or two arrows indicating the flow direction on the water meter shell, but no arrows should be marked on the cover;

E) Type approval mark;

F) if it exceeds1MPa; , nominal pressure (PN), MPa

G) If the water meter can only work in vertical or horizontal position, the letter V (for vertical) or H (for horizontal);

H) Nominal diameter (DN) of water meter.