... 4000A PD862D-9SY Three-phase multi-function network electric power meter USER MANUAL Product IntroductionModel PD862D-9SY Three-phase multi- ... system. Assorted with transformers, voltage dividers, shunts, etc, the meter can realize the overall management functions of three- phase voltage ... occasions of high harmonic wave pollution. With rich I / O interface types and flexible expansion, it can meet the ...