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SWP-LED交(jiao)流(liu)/直流(liu)電(dian)(dian)(dian)工表交(jiao)流(liu)電(dian)(dian)(dian)工表,直流(liu)電(dian)(dian)(dian)工表,SWP-LED交(jiao)流(liu)電(dian)(dian)(dian)工表SWP-LED系列(lie)交(jiao)流(liu)電(dian)(dian)(dian)量(liang)(liang)集中測量(liang)(liang)顯示控制儀用于測量(liang)(liang)采樣(yang)電(dian)(dian)(dian)壓(ya)和(he)電(dian)(dian)(dian)流(liu)互感(gan)器信號，測量(liang)(liang)頻率(lv)，電(dian)(dian)(dian)壓(ya)和(he)電(dian)(dian)(dian)流(liu)以及(ji)功(gong)率(lv)因數和(he)單相有(you)功(gong)功(gong)率(lv)P有(you)=U·I·CosΦ或三(san)相有(you)功(gong)功(gong)率(lv)