... .2 Class) and IEC 62053-22 (0.2S Class)Power Quality AnalysisOver/Under Limit AlarmMulti Communication Ports (Eg: Ethernet, RS485 ... I3, In, IavgPower P1, P2, P3, PsumReactive Power Q1, Q2, Q3, QsumApparent Power S1, S2, S3, SsumFrequency FPower Factor PF1, PF2 ... back lightWide environmental temperature enduranceDisplay Load percentage, 4 quadrants power and load natureOutlineSmall Size 96×96 DIN or 4’’ ...