... . Large LCD, high brightness, auto-scrolling6. High accuracy, V or I is 0.2%, kWh is class 17. CT and PT ... —Ua, Ub, Uc, Uab, Ubc, Uca,2. Current—Ia, Ib, Ic, In3. Active power – Pa, Pb, Pc, ∑P4. Reactive power –Qa ... energy– kvarh (4 quadrant)10. Demand and Max. record for I, P, Q, S11. Unbalance rate for U, I12. Max./ Min. value13 ...