Ibipimo ngenderwaho byiki gicuruzwa byujuje ibisabwa byose bya tekiniki kuri metero imwe yingufu zishyuwe mbere ya GB / T17215321-2008 (Icyiciro cya 1 nicyiciro cya 2 static AC ikora metero watt-isaha) hamwe na GBA T18460.3-2001.