當電(dian)(dian)網的(de)電(dian)(dian)能(neng)(neng)質量(liang)(liang)被干擾(rao)或污(wu)染,達不(bu)到國家相(xiang)關標(biao)準時(shi),就(jiu)得(de)有針對性地(di)對電(dian)(dian)網進行(xing)電(dian)(dian)能(neng)(neng)質量(liang)(liang)改善(shan)。要了解電(dian)(dian)網電(dian)(dian)能(neng)(neng)質量(liang)(liang)的(de)實(shi)際(ji)情況(kuang),就(jiu)必須(xu)有相(xiang)應的(de)設備對其進行(xing)測試分(fen)析,針對國內的(de)實(shi)際(ji)情況(kuang),適時(shi)研制了YSB904P便攜平(ping)板式電(dian)(dian)能(neng)(neng)質量(liang)(liang)分(fen)析儀。