Digital Current Transmitter JD1134-BS4I-S 4-phase Digital Current Transmitter Digital Current Transmitter JD1134-BS4I- ... excellent cost performance, since they regroup the functions of traditional electric transmitter and digital meters. Therefore they are widely being used ... ,Uca,F,∑P, Pa,Pb,Pc, ∑Q, Qa,Qb,Qc,∑S, Sa,Sb,Sc,∑PF, PFa,PFb,PFc, 4 quadrant energies ...