本(ben)目(mu)录是上海徐吉电(dian)气有限公(gong)司为您精心选购的：

一． 简介

ETCR4200A是我公(gong)司精心研(yan)制(zhi)的(de)一款(kuan)专(zhuan)为现(xian)场测(ce)(ce)(ce)试(shi)的(de)全(quan)自动(dong)(dong)(dong)、多功(gong)能(neng)、数字式、智能(neng)型仪表(biao)，是对机械旋钮式相(xiang)(xiang)(xiang)位(wei)伏安表(biao)的(de)全(quan)面(mian)升(sheng)级，减少了(le)操作的(de)繁琐性(xing)(xing)，降低了(le)误操作的(de)可能(neng)性(xing)(xing)，具有(you)(you)高精度、高稳定(ding)、低功(gong)耗、使用方便等(deng)(deng)(deng)特(te)点。可以(yi)在被测(ce)(ce)(ce)回(hui)路(lu)(lu)不开路(lu)(lu)的(de)情况下，同时测(ce)(ce)(ce)量(liang)(liang)两路(lu)(lu)交流电(dian)(dian)(dian)(dian)(dian)(dian)压、电(dian)(dian)(dian)(dian)(dian)(dian)流、电(dian)(dian)(dian)(dian)(dian)(dian)压间相(xiang)(xiang)(xiang)位(wei)、电(dian)(dian)(dian)(dian)(dian)(dian)流间相(xiang)(xiang)(xiang)位(wei)、电(dian)(dian)(dian)(dian)(dian)(dian)压电(dian)(dian)(dian)(dian)(dian)(dian)流间相(xiang)(xiang)(xiang)位(wei)、频率(lv)(lv)(lv)(lv)、相(xiang)(xiang)(xiang)序、有(you)(you)功(gong)功(gong)率(lv)(lv)(lv)(lv)、无功(gong)功(gong)率(lv)(lv)(lv)(lv)、视(shi)在功(gong)率(lv)(lv)(lv)(lv)、功(gong)率(lv)(lv)(lv)(lv)因数等(deng)(deng)(deng)，判别变(bian)压器接线(xian)(xian)组别、感性(xing)(xing)、容性(xing)(xing)电(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)，测(ce)(ce)(ce)试(shi)二次回(hui)路(lu)(lu)和母差保护系(xi)(xi)统(tong)，读出(chu)差动(dong)(dong)(dong)保护各(ge)组CT之(zhi)间的(de)相(xiang)(xiang)(xiang)位(wei)关系(xi)(xi)，检查(cha)(cha)电(dian)(dian)(dian)(dian)(dian)(dian)度表(biao)的(de)接线(xian)(xian)正确与否，检修线(xian)(xian)路(lu)(lu)设备等(deng)(deng)(deng)，为用电(dian)(dian)(dian)(dian)(dian)(dian)检查(cha)(cha)人员(yuan)提(ti)供一种安全(quan)、准确、便捷的(de)新型电(dian)(dian)(dian)(dian)(dian)(dian)力仪表(biao)，适(shi)用于(yu)电(dian)(dian)(dian)(dian)(dian)(dian)力、石化、冶金(jin)、铁路(lu)(lu)、工矿企业、科(ke)研(yan)院校(xiao)、计(ji)量(liang)(liang)部门等(deng)(deng)(deng)。尤其(qi)适(shi)用于(yu)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)计(ji)费系(xi)(xi)统(tong)及(ji)继电(dian)(dian)(dian)(dian)(dian)(dian)保护系(xi)(xi)统(tong)，其(qi)供电(dian)(dian)(dian)(dian)(dian)(dian)营销(xiao)部门的(de)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)计(ji)量(liang)(liang)、用电(dian)(dian)(dian)(dian)(dian)(dian)检查(cha)(cha)、电(dian)(dian)(dian)(dian)(dian)(dian)力稽查(cha)(cha)，生技部门的(de)装表(biao)接电(dian)(dian)(dian)(dian)(dian)(dian) 、继电(dian)(dian)(dian)(dian)(dian)(dian)保护、差动(dong)(dong)(dong)检测(ce)(ce)(ce)、启动(dong)(dong)(dong)试(shi)验、变(bian)电(dian)(dian)(dian)(dian)(dian)(dian)检修，或电(dian)(dian)(dian)(dian)(dian)(dian)力实训、技能(neng)比武等(deng)(deng)(deng)。

ETCR4200A选用(yong)型(xing)材(cai)料设计制作外(wai)(wai)壳模具，配(pei)有(you)的防振(zhen)、防滑、高绝缘护套，采(cai)用(yong)240dots×160dots LCD显(xian)示器(qi)，所有(you)参(can)数(shu)同(tong)屏显(xian)示，一(yi)目了然，尽显(xian)精美豪华(hua)外(wai)(wai)观。仪(yi)表(biao)配(pei)有(you)USB-RS232接口(kou)(kou)，可存储1500组数(shu)据(ju)，通过系统软件上传所存数(shu)据(ju)到电(dian)脑，实(shi)现(xian)在线(xian)实(shi)时监测与(yu)历(li)史(shi)查询，动态显(xian)示，能(neng)读(du)取、保(bao)存、报表(biao)、打印历(li)史(shi)数(shu)据(ju)等。其圆形(xing)大(da)钳口(kou)(kou)适(shi)用(yong)于粗(cu)导线(xian)检(jian)测，能(neng)满足不同(tong)场所需求。

二．技术规格

1．基准条件和工作条件

2．基准条件下基本误差及性能指标

3．一般规格

三．现场应用