... , panel meter 1.Measuring 28 items power meter 2.CE&ISO certification Kwh Meter 3.4-20mA analog coulometer ... power, power factor, frequency, Kwh, 4 quadrant energy, etc. Total 28 electrical parameters;2) 3 lines 4 digit LED to show the above ... , Ubc, Uca,2. Current—Ia, Ib, Ic, In3. Active power – Pa, Pb, Pc, ∑P4. Reactive power –Qa, Qb, Qc, ∑Q5. Power factor—PFa, PFb ...