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Impeller-driven water meters may be blocked from turning due to a foreign object (including rust occlusion) within the meter pipe.
In some cases, a foreign object becoming lodged in the pipes while the meter is in use, or a backflux of water after replacement of the meter causing an object to enter from the exit opening, can trigger a blockage.
Leakage, failure to close a faucet, or foreign objects within the meter can cause water to have a smaller area to flow in, causing a concentrated burst of water at high speed.
Pipes may be subject to freezing during winter.
This can cause damage to the cast metal and plastic parts of the meter.
*Water meters are rated for use at between 5-55℃, so additional heat-retention equipment must be used if installing in an area subject to potential freezing.
The measuring performance of a meter varies by its aperture and the measurement technique used (impeller or electromagnetic).
Please refer to your monthly water use to get a better idea.
In impeller meters, where overflow can frequently cause damage, a meter rated for the intended use of water can be used, or an electromagnetic meter with no moving parts can be used if a larger aperture is desired.
Per the Measurement Act, water meters must be replaced after they expire.
Your local water station or bureau periodically performs replacements. Residences subject to replacement will be notified in advance by a survey member.
You do not need to be present for the replacement procedure, but please note that they will need to enter your residence.
There is no fee for the replacement itself.
When a meter is approaching its expiry date, the local water station or bureau will notify the building owner or manager about the need to replace meters.
Note that the nature of this message differs depending on the jurisdiction, so please follow the specific instructions you are sent.
This system allows for centralized reading of water meters from outside of the apartment and lets you select from a connection scheme suited to the building type.
This method involves connecting 8-bit communicating meters from each residence to a centralized meter system.
As a rule, it is intended for use in residences with up to 64 meters.
However, the system can support up to 128 connections.
In this system, 8-bit communicating meters from each residence are connected to share a terminal transmitter and centralized reading panel (the bus method).
This system allows for up to 800 connections and is suited for medium and large residential complexes.
The centralized panel supports five transmitter lines, with each allowing ten transmitters per.
Each terminal transmitter supports up to 16 connections.
