... I3, In, IavgPower P1, P2, P3, PsumReactive Power Q1, Q2, Q3, QsumApparent Power S1, S2, S3, SsumFrequency FPower Factor PF1, PF2 ... of 3 modules can be used for one meter. Digital input, Digital output, pulse output, relay output, analog input and ... Load percentage, 4 quadrants power and load natureOutlineSmall Size 96×96 DIN or 4’’ ANSI RoundCertificateCEUL Accuenergy IIR digital Power Meter