本目录是上海 徐吉气有限(xian)公(gong)司(si)为您精心选购的：

一． 简介

ETCR4000A是(shi)我公(gong)司精(jing)(jing)心研制的(de)(de)(de)一款(kuan)专为现场(chang)测(ce)试的(de)(de)(de)全自动、多功(gong)(gong)(gong)能(neng)、数字式(shi)、智能(neng)型仪(yi)表(biao)(biao)，是(shi)对机械(xie)旋钮式(shi)相(xiang)位(wei)伏安表(biao)(biao)的(de)(de)(de)全面升级，减少(shao)了操作(zuo)(zuo)的(de)(de)(de)繁琐性，降低了误操作(zuo)(zuo)的(de)(de)(de)可能(neng)性，具有(you)高(gao)精(jing)(jing)度(du)、高(gao)稳定(ding)、低功(gong)(gong)(gong)耗、使用方(fang)便等(deng)特(te)点。可以在被(bei)测(ce)回路(lu)(lu)(lu)不开路(lu)(lu)(lu)的(de)(de)(de)情况下(xia)，同时测(ce)量两路(lu)(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)位(wei)、电(dian)(dian)(dian)(dian)(dian)(dian)流间相(xiang)位(wei)、电(dian)(dian)(dian)(dian)(dian)(dian)压电(dian)(dian)(dian)(dian)(dian)(dian)流间相(xiang)位(wei)、频(pin)率、相(xiang)序、有(you)功(gong)(gong)(gong)功(gong)(gong)(gong)率、无功(gong)(gong)(gong)功(gong)(gong)(gong)率、视在功(gong)(gong)(gong)率、功(gong)(gong)(gong)率因数等(deng)，判别变(bian)压器(qi)接(jie)(jie)线(xian)组(zu)别、感性、容(rong)性电(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，测(ce)试二次回路(lu)(lu)(lu)和母差保(bao)护(hu)系(xi)统，读出差动保(bao)护(hu)各组(zu)CT之间的(de)(de)(de)相(xiang)位(wei)关系(xi)，检(jian)查(cha)电(dian)(dian)(dian)(dian)(dian)(dian)度(du)表(biao)(biao)的(de)(de)(de)接(jie)(jie)线(xian)正确与否，检(jian)修线(xian)路(lu)(lu)(lu)设备(bei)等(deng)，为用电(dian)(dian)(dian)(dian)(dian)(dian)检(jian)查(cha)人(ren)员提(ti)供(gong)一种(zhong)安全、准确、便捷的(de)(de)(de)新型电(dian)(dian)(dian)(dian)(dian)(dian)力仪(yi)表(biao)(biao)，适用于电(dian)(dian)(dian)(dian)(dian)(dian)力、石化、冶金、铁路(lu)(lu)(lu)、工(gong)矿企(qi)业、科研院校、计量部门(men)等(deng)。尤(you)其适用于电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)计费(fei)系(xi)统及继电(dian)(dian)(dian)(dian)(dian)(dian)保(bao)护(hu)系(xi)统，其供(gong)电(dian)(dian)(dian)(dian)(dian)(dian)营销部门(men)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)能(neng)计量、用电(dian)(dian)(dian)(dian)(dian)(dian)检(jian)查(cha)、电(dian)(dian)(dian)(dian)(dian)(dian)力稽查(cha)，生技(ji)部门(men)的(de)(de)(de)装表(biao)(biao)接(jie)(jie)电(dian)(dian)(dian)(dian)(dian)(dian) 、继电(dian)(dian)(dian)(dian)(dian)(dian)保(bao)护(hu)、差动检(jian)测(ce)、启动试验、变(bian)电(dian)(dian)(dian)(dian)(dian)(dian)检(jian)修，或电(dian)(dian)(dian)(dian)(dian)(dian)力实训、技(ji)能(neng)比武等(deng)。

ETCR4000A选(xuan)用(yong)型(xing)材(cai)料设计(ji)制作外(wai)壳模具(ju)，配(pei)(pei)有(you)的防振、防滑、高绝缘护(hu)套(tao)，采用(yong)240dots×160dots LCD显(xian)示器，所(suo)有(you)参数(shu)同(tong)(tong)屏(ping)显(xian)示，一目了(le)然，尽显(xian)精美豪华外(wai)观。仪表配(pei)(pei)有(you)USB-RS232接口，可存储1500组(zu)数(shu)据(ju)，通过系统(tong)软件上传所(suo)存数(shu)据(ju)到(dao)电脑，实(shi)现在线实(shi)时监(jian)测与历史(shi)查询，动(dong)态显(xian)示，能(neng)读取、保(bao)存、报表、打印(yin)历史(shi)数(shu)据(ju)等(deng)。其尖小形钳口适合于排线密集的地方，能(neng)满足不同(tong)(tong)场所(suo)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