How do prepaid water meters work in China?

Prepaid water meters, such as the JINGDA water meter, function by allowing users to pay for water before consumption, promoting efficient usage. These meters operate through smart card technology: users top-up their cards with the desired amount of water credit, which is then transferred to the meter. JINGDA meters are valued for their high precision with an error margin of less than 2%. They are equipped with an LCD display that shows real-time consumption and remaining credit.

JINGDA's robust design and anti-tampering features ensure accuracy and longevity. The water meter's flow rate varies between 1.6 to 2.5 m³/h, accommodating different household and industrial needs. For comparison, brands like Sensus have similar technology (official website), though specific features such as remote data transmission may differ, enhancing utility monitoring.

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