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ETCR4000雙鉗數字相(xiang)位(wei)伏安表，全新設(she)計(ji)，美(mei)觀耐用(yong)。測(ce)(ce)量(liang)(liang)交(jiao)(jiao)流(liu)電(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)壓(ya)(ya)(ya)，測(ce)(ce)量(liang)(liang)兩電(dian)(dian)(dian)壓(ya)(ya)(ya)間(jian)(jian)(jian)、兩電(dian)(dian)(dian)流(liu)間(jian)(jian)(jian)和電(dian)(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)(dian)流(liu)間(jian)(jian)(jian)的相(xiang)位(wei)。間(jian)(jian)(jian)接測(ce)(ce)量(liang)(liang)電(dian)(dian)(dian)路的功率因數和功率，判別三(san)相(xiang)相(xiang)序。鉗口(kou)尺寸φ8mm, 交(jiao)(jiao)流(liu)電(dian)(dian)(dian)壓(ya)(ya)(ya)量(liang)(liang)程：0～20V/200V/500V，交(jiao)(jiao)流(liu)電(dian)(dian)(dian)流(liu)量(liang)(liang)程：0～200mA/2A/20A，相(xiang)位(wei)量(liang)(liang)程：0～360°，分(fen)辨力：0.1mA /0.01V/1°。