How accurate is a mechanical water meter?
A mechanical water meter is generally considered to be a highly accurate device for measuring the amount of water consumed by a household or business. The accuracy of a water meter can vary depending on a number of factors such as the age of the meter, the quality of the components used in its construction, and the skill of the person installing and maintaining it.
Generally speaking, a mechanical water meter is designed to be accurate within a range of plus or minus 1 to 2 percent. This means that if your water meter indicates that you have used 1000 liters of water, the actual amount of water you have used will be between 980 and 1020 liters.
However, the accuracy of a water meter can degrade over time due to wear and tear or other factors. To ensure that your water meter remains accurate, it's important to have it maintained or replaced periodically. In addition, if you suspect that your water meter is not providing accurate readings, you can contact your water utility provider for an inspection or testing.