How to check the balance of smart water meter?

The smart water meter will display the balance by directly swiping the user card. Another method is to look at the black gear index on the instrument. If you want to check the consistency, you can add up the four small pointers under the water meter and compare them with the displayed quantity. Tips for using the smart water meter: After inserting the IC card with water into the water meter, the user must observe whether the LCD reading is correct, and then pull out the card.

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