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ETCR4300三(san)相(xiang)數字(zi)相(xiang)位(wei)伏安(an)表(biao) 具有高精度、高穩(wen)定(ding)、低功(gong)(gong)耗、使用(yong)方(fang)便(bian)等特點。可以在(zai)被測(ce)(ce)回路不開路的情況下，同時(shi)測(ce)(ce)量三(san)相(xiang)交(jiao)流電(dian)(dian)壓(ya)(ya)(ya)、電(dian)(dian)流、電(dian)(dian)壓(ya)(ya)(ya)間(jian)(jian)相(xiang)位(wei)、電(dian)(dian)流間(jian)(jian)相(xiang)位(wei)、電(dian)(dian)壓(ya)(ya)(ya)電(dian)(dian)流間(jian)(jian)相(xiang)位(wei)、頻率(lv)(lv)、相(xiang)序、有功(gong)(gong)功(gong)(gong)率(lv)(lv)、無功(gong)(gong)功(gong)(gong)率(lv)(lv)、視(shi)在(zai)功(gong)(gong)率(lv)(lv)、功(gong)(gong)率(lv)(lv)因數、電(dian)(dian)流矢量和，判別變壓(ya)(ya)(ya)器接線(xian)組別、感性(xing)、容性(xing)電(dian)(dian)路，測(ce)(ce)試(shi)二(er)次回路和母差保(bao)護(hu)系統(tong)，讀出差動保(bao)護(hu)各(ge)組CT之(zhi)間(jian)(jian)的相(xiang)位(wei)關系，檢查電(dian)(dian)度表(biao)的接線(xian)正確與否，檢修(xiu)線(xian)路設備等，為用(yong)電(dian)(dian)檢查人員提(ti)

ETCR4200A智能(neng)型雙鉗(qian)數字相(xiang)(xiang)位(wei)伏安表 具有高精度、高穩定、低功(gong)耗、使(shi)用方便等特點。可(ke)以在被測回(hui)(hui)路(lu)不(bu)開路(lu)的(de)情況下，同(tong)時測量兩路(lu)交流電(dian)(dian)壓(ya)、電(dian)(dian)流、電(dian)(dian)壓(ya)間(jian)相(xiang)(xiang)位(wei)、電(dian)(dian)流間(jian)相(xiang)(xiang)位(wei)、電(dian)(dian)壓(ya)電(dian)(dian)流間(jian)相(xiang)(xiang)位(wei)、頻(pin)率(lv)、相(xiang)(xiang)序、有功(gong)功(gong)率(lv)、無功(gong)功(gong)率(lv)、視在功(gong)率(lv)、功(gong)率(lv)因數等，判別變壓(ya)器(qi)接線(xian)(xian)組別、感性(xing)、容性(xing)電(dian)(dian)路(lu)，測試二次回(hui)(hui)路(lu)和母差(cha)保護系統，讀出差(cha)動保護各組CT之間(jian)的(de)相(xiang)(xiang)位(wei)關系，檢查電(dian)(dian)度表的(de)接線(xian)(xian)正確與否，檢修(xiu)線(xian)(xian)路(lu)設備等，為用電(dian)(dian)檢查人員提(ti)供

ETCR4200雙(shuang)鉗數字相位伏安(an)表 具有高精(jing)度、高穩定、低(di)功耗、使用方(fang)便等特點。可以(yi)在(zai)被測(ce)(ce)回路(lu)不(bu)開路(lu)的情況下直(zhi)接測(ce)(ce)量(liang)交流電(dian)(dian)(dian)壓(ya)和交流電(dian)(dian)(dian)流，測(ce)(ce)量(liang)兩(liang)電(dian)(dian)(dian)壓(ya)間(jian)(jian)(jian)、兩(liang)電(dian)(dian)(dian)流間(jian)(jian)(jian)和電(dian)(dian)(dian)壓(ya)電(dian)(dian)(dian)流間(jian)(jian)(jian)的相位，此外(wai)，還可間(jian)(jian)(jian)接測(ce)(ce)得(de)電(dian)(dian)(dian)路(lu)的功率(lv)因數和功率(lv)，可以(yi)判別(bie)三相相序，變壓(ya)器接線(xian)組(zu)別(bie)、感性(xing)、容性(xing)電(dian)(dian)(dian)路(lu)，測(ce)(ce)試(shi)二(er)次回路(lu)和母差保護系統，讀出差動保護各組(zu)CT之(zhi)間(jian)(jian)(jian)的相位關系，檢查電(dian)(dian)(dian)度表的接線(xian)正確與否(fou)，檢修線(xian)路(lu)設(she)備等。

ETCR4100雙鉗數字相位表(biao) 具有高(gao)精度、高(gao)穩(wen)定、低功(gong)耗、使用方(fang)便等特點。可(ke)(ke)以在被測回路不(bu)開路的(de)情況下直接(jie)(jie)測量兩電(dian)(dian)壓(ya)間、兩電(dian)(dian)流間和電(dian)(dian)壓(ya)電(dian)(dian)流間的(de)相位，此外，還(huan)可(ke)(ke)以判別三相相序，變壓(ya)器接(jie)(jie)線(xian)組(zu)別、感性、容性電(dian)(dian)路，測試二次回路和母差保護系統，讀出(chu)差動保護各(ge)組(zu)CT之(zhi)間的(de)相位關系，檢(jian)查(cha)電(dian)(dian)度表(biao)的(de)接(jie)(jie)線(xian)正確與否。

ETCR4000A智能(neng)型雙鉗數(shu)字相位伏安表(biao) 適用于電(dian)力(li)(li)、石化、冶金、鐵(tie)路、工礦企業(ye)、科研(yan)院(yuan)校、門(men)等(deng)。尤其適用于電(dian)能(neng)計(ji)費系統及繼電(dian)保護系統，其供電(dian)營銷部門(men)的(de)(de)電(dian)能(neng)計(ji)量(liang)、用電(dian)檢查(cha)、電(dian)力(li)(li)稽查(cha)，生技部門(men)的(de)(de)裝表(biao)接電(dian) 、繼電(dian)保護、差動檢測(ce)、啟動試(shi)驗(yan)、變電(dian)檢修，或電(dian)力(li)(li)實訓、技能(neng)比(bi)武等(deng)。

ETCR4000雙鉗數字相位伏安表 具有高精度、高穩定、低功(gong)耗、使用方便等特(te)點。可以在被測回路不(bu)開路的情況(kuang)下直接測量(liang)交(jiao)流(liu)(liu)電(dian)壓和(he)交(jiao)流(liu)(liu)電(dian)流(liu)(liu)，測量(liang)兩電(dian)壓間、兩電(dian)流(liu)(liu)間和(he)電(dian)壓電(dian)流(liu)(liu)間的相位