Qhov khoom ua tsuas yog siv cov sij hawm sib cais thiab kev hloov ntawm ntau yam AC thiab DC cov khoom siv hluav taws xob thiab tshuab kom haum rau cov lus nug ntawm kev tshaaj hab kev tswj. Nws muaj qhov zoo ntawm kev muaj zog muaj zog tshaj, muaj kev cia siab, ua haujlwm ceev thiab siab dua.
Cov ntaub ntawv thov
Ntau hom automatic xyuas thiab tswj, hluav taws xob teeb pom kev zoo thiab cov tes taws los piav, cov ntaub ntawv tshaaj, etc. DC voltage sensor
