1. Power metering: U,I,P,Q,kWh,PF,F, 2. RS485/ ... / DO module 4. Auxiliary SOE,TOU. 31th harmonic PMAC720, a perfect Power meter, display by LCD panel. Feature:1. Suit for LV ... . Current—Ia, Ib, Ic, In3. Active power – Pa, Pb, Pc, ∑P4. Reactive power –Qa, Qb, Qc, ∑Q5. Power factor—PFa, PFb, PFc, ∑PF6 ... %0.0010~100%Un-balance1.0%0.0010~100% PMAC720 Power Meter