... , IEC61036, GB/T17215-2002 single phase A.C. watt hour meter single phase A.C. watt hour meter using large scale integrated circuit ... 2002 " grade 1 level 2 motionless exchange meritorious electric energy meter " all the technical requirements. Main functionl Measurement of ... meter structure and so on.l Small size, light weight, high accuracy, wide load, overload, and easy installation.l Electronic ...