... Reverse indicaion 1. Product brief introductionThe DDS8111 type single phase electronic kwh meter adopt exclusive use LSI,the device typifying few ... is in conformity with the technical requirements for single-phase electronic watt-hour meter stipulated in GB/T17215 321 -2008 ... range of5%lb-lmax,Adopt high reliability and long life electronic component,so the Meter assume feature of high reliability ...