Ac clamp on power and harmonics testermake mecomodel 4545 models power analysis features w, Kw, Hp, Va, Kva, Var, Kvar pf, Phase angle kwh balanced, Energy wh 3 power quality balanced 3 sequence programmable ct ratio 1 to 250 dual displays w, Pf, Va, Kvar. .. Active power in hp resistance and continuity with beeper models harmonic analysis features true rms value v and a at 0. 5% basic accuracy 1500 a ac harmonics analysis v and a to the 99th order in % and in magnitude better understaning of high frequency harmonic analysis up to 5/6/khz non, Interrupted harmonic analysis analysis of total harmonic distortion %thd, F analysis of crest factor c. F. Fast peak function 33 s for 60hz and 39 s for 50hz maximum and data hold function models pht 4545 conductor size 55mm approx. 64 x 24 mm bus bar display 4, 4 digits lcd power consumption 10ma approx. Humidity operating humidity < 85% relative storage humidity < 75% relative battery type 1. 5 v sum, 3 temperature operating temperature, 10 c to 50 c storage temperature, 20 c to 60 c no. Of samples / period 512 v&a, 256 w weight 640 gms approx. Battery included accessories users manual, Carry bag, Test leads, Batteries 1. 5v x 2 installed dimensions 210 x 62 x 35. 6 mm