... AMR water meter consists of smart water meter,concentrator,handset reader,computer with software,M-Bus/RS485 Brief: Jingcheng AMR ... method, it has the features of accurate measuring,multi-functions,long distance transmisionand reliable communication. There are RS-485 bus and ... .Simple constrcution,convenient maintannance and long tme span 5.easy to read by handheld reader or via data transmited by ...