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ETCR4300三相(xiang)(xiang)數字相(xiang)(xiang)位伏安表 具有高(gao)精度、高(gao)穩定、低(di)功(gong)(gong)(gong)(gong)耗、使用(yong)方便等(deng)特點。可以在(zai)被測回(hui)路(lu)(lu)不開(kai)路(lu)(lu)的(de)情況(kuang)下，同(tong)時(shi)測量三相(xiang)(xiang)交流(liu)(liu)電(dian)壓(ya)、電(dian)流(liu)(liu)、電(dian)壓(ya)間(jian)(jian)(jian)相(xiang)(xiang)位、電(dian)流(liu)(liu)間(jian)(jian)(jian)相(xiang)(xiang)位、電(dian)壓(ya)電(dian)流(liu)(liu)間(jian)(jian)(jian)相(xiang)(xiang)位、頻率、相(xiang)(xiang)序(xu)、有功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率、無功(gong)(gong)(gong)(gong)功(gong)(gong)(gong)(gong)率、視在(zai)功(gong)(gong)(gong)(gong)率、功(gong)(gong)(gong)(gong)率因數、電(dian)流(liu)(liu)矢量和(he)，判別變壓(ya)器接線組(zu)別、感性(xing)、容性(xing)電(dian)路(lu)(lu)，測試二次回(hui)路(lu)(lu)和(he)母(mu)差(cha)(cha)保(bao)護系統，讀出差(cha)(cha)動保(bao)護各組(zu)CT之間(jian)(jian)(jian)的(de)相(xiang)(xiang)位關系，檢(jian)查電(dian)度表的(de)接線正確與否，檢(jian)修線路(lu)(lu)設備(bei)等(deng)，為用(yong)電(dian)檢(jian)查人(ren)員提

ETCR4200A智(zhi)能型雙鉗(qian)數字相(xiang)(xiang)位伏安(an)表 具(ju)有高精度、高穩定、低功耗、使用(yong)方(fang)便(bian)等特(te)點。可以在被(bei)測(ce)回(hui)路(lu)不(bu)開路(lu)的(de)情況下，同時測(ce)量兩路(lu)交流電(dian)(dian)壓、電(dian)(dian)流、電(dian)(dian)壓間相(xiang)(xiang)位、電(dian)(dian)流間相(xiang)(xiang)位、電(dian)(dian)壓電(dian)(dian)流間相(xiang)(xiang)位、頻率、相(xiang)(xiang)序、有功功率、無功功率、視在功率、功率因數等，判別(bie)變壓器接(jie)線(xian)組別(bie)、感(gan)性、容性電(dian)(dian)路(lu)，測(ce)試二次(ci)回(hui)路(lu)和母差保(bao)護(hu)系(xi)統，讀出差動保(bao)護(hu)各(ge)組CT之間的(de)相(xiang)(xiang)位關系(xi)，檢查(cha)電(dian)(dian)度表的(de)接(jie)線(xian)正確與否(fou)，檢修(xiu)線(xian)路(lu)設備等，為用(yong)電(dian)(dian)檢查(cha)人(ren)員(yuan)提(ti)供

ETCR4200雙(shuang)鉗數(shu)字(zi)相(xiang)(xiang)位(wei)(wei)伏安表 具有高(gao)精度、高(gao)穩定、低(di)功(gong)耗、使用方便(bian)等(deng)特點。可(ke)以在(zai)被測(ce)回路(lu)(lu)(lu)不(bu)開(kai)路(lu)(lu)(lu)的(de)(de)(de)情況(kuang)下直接測(ce)量(liang)交流電(dian)(dian)壓(ya)(ya)和交流電(dian)(dian)流，測(ce)量(liang)兩電(dian)(dian)壓(ya)(ya)間(jian)(jian)、兩電(dian)(dian)流間(jian)(jian)和電(dian)(dian)壓(ya)(ya)電(dian)(dian)流間(jian)(jian)的(de)(de)(de)相(xiang)(xiang)位(wei)(wei)，此外，還可(ke)間(jian)(jian)接測(ce)得(de)電(dian)(dian)路(lu)(lu)(lu)的(de)(de)(de)功(gong)率因數(shu)和功(gong)率，可(ke)以判別(bie)三相(xiang)(xiang)相(xiang)(xiang)序，變(bian)壓(ya)(ya)器接線(xian)組(zu)別(bie)、感(gan)性、容性電(dian)(dian)路(lu)(lu)(lu)，測(ce)試二次回路(lu)(lu)(lu)和母差保護(hu)系(xi)統，讀出(chu)差動保護(hu)各組(zu)CT之(zhi)間(jian)(jian)的(de)(de)(de)相(xiang)(xiang)位(wei)(wei)關系(xi)，檢(jian)查電(dian)(dian)度表的(de)(de)(de)接線(xian)正確與否，檢(jian)修線(xian)路(lu)(lu)(lu)設備等(deng)。

ETCR4100雙鉗數(shu)字(zi)相(xiang)(xiang)位(wei)表(biao) 具有高(gao)(gao)精度、高(gao)(gao)穩定、低功耗、使用方(fang)便等特點。可以在被測(ce)回路(lu)(lu)不開路(lu)(lu)的情況下直(zhi)接(jie)測(ce)量兩電(dian)(dian)(dian)壓(ya)間(jian)(jian)、兩電(dian)(dian)(dian)流間(jian)(jian)和(he)電(dian)(dian)(dian)壓(ya)電(dian)(dian)(dian)流間(jian)(jian)的相(xiang)(xiang)位(wei)，此外，還可以判(pan)別三相(xiang)(xiang)相(xiang)(xiang)序(xu)，變(bian)壓(ya)器接(jie)線組別、感性、容性電(dian)(dian)(dian)路(lu)(lu)，測(ce)試二(er)次回路(lu)(lu)和(he)母差保護系(xi)統，讀(du)出差動(dong)保護各(ge)組CT之(zhi)間(jian)(jian)的相(xiang)(xiang)位(wei)關系(xi)，檢查電(dian)(dian)(dian)度表(biao)的接(jie)線正確與否。

ETCR4000A智能(neng)型(xing)雙鉗數(shu)字相位伏(fu)安表(biao) 適用于電(dian)(dian)力(li)(li)(li)、石化、冶金、鐵(tie)路、工(gong)礦企業、科研院校、門(men)等。尤其適用于電(dian)(dian)能(neng)計(ji)費系(xi)統及(ji)繼電(dian)(dian)保護系(xi)統，其供電(dian)(dian)營(ying)銷部門(men)的電(dian)(dian)能(neng)計(ji)量、用電(dian)(dian)檢查(cha)、電(dian)(dian)力(li)(li)(li)稽查(cha)，生技部門(men)的裝表(biao)接電(dian)(dian) 、繼電(dian)(dian)保護、差動(dong)檢測(ce)、啟動(dong)試驗、變電(dian)(dian)檢修(xiu)，或電(dian)(dian)力(li)(li)(li)實訓、技能(neng)比武(wu)等。

ETCR4000雙鉗數字相位(wei)伏安(an)表 具有高精度、高穩定、低功耗、使用方便(bian)等(deng)特點。可以(yi)在被(bei)測回(hui)路不開路的情況下直接測量交流(liu)(liu)電壓(ya)和交流(liu)(liu)電流(liu)(liu)，測量兩(liang)電壓(ya)間(jian)、兩(liang)電流(liu)(liu)間(jian)和電壓(ya)電流(liu)(liu)間(jian)的相位(wei)