The Electronic Water Meter AquaMaster S has been designed to improve the management of potable water distribution networks. Integral multi-speed, multi-channel dual variable data logger flow meter and data logger as a single unit, improves the precision and quality of logged information. Pressure sensor input monitors line pressure for total system management. GSM and SMS communication enables centralised automatic meter reading and data download. Flash programming technology supports future software enhancement upgrade of an installed Aquamaster S. Aquamaster is compatible with industry-standard data base systems: Technolog, Primayer, OSI and IBV.