Meters will naturally age and experience wear and tear. Depending on water quality, other factors such as corrosion, mineral buildup, and fouling may ultimately affect meters as well. Finally, the installation configuration and operation of the meter itself can compromise the accuracy of meter reads. Due to the variety of issue types, the life expectancy of large meters can be difficult to predict without closely monitoring the meters as well as the quality of water running through them over their lifetime. Simpson recommends that utilities test and calibrate their large meters annually. Testing should be conducted using a certified test meter or a pitot rod.
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