The Positive Displacement technique is used to calculate water consumption in nearly all water meters. These meters measure the volume of water moving through the pipe but in addition to water; it also evaluates the total volume of air and water collectively.
It is a fact that your water line does contain air. This was the intention when water systems were developed in an effort to avoid air block and hammering complications. However, the exact quantity is not consistent and other influences can change the amount of air throughout the day. Some of these factors include the [...]