ADWV launched by akvodropsTM combines years’ experience in metering research and development, adopting state-of-the-art technology and sophisticated production. It has been proven that ADWV is reliable and absolute matured achievement in high accuracy measurement and valve control. In addition, the special compact design does completely assure the quality of water-proof protection. This proof is guaranteed even if it is installed under water in a long time. Moreover, the core engineering concept of ADWV aims at cutting down the budget on overall operating costs from remote meter readings. It also helps utility enhance its cash flow by collection of none-revenue-water (NRW).