電橋式介電常數測試儀簡介：

主要采用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)流(liu)比較(jiao)儀(yi)的(de)(de)原理，具(ju)有(you)(you)操作方(fang)便可靠、測(ce)(ce)量(liang)(liang)(liang)精(jing)(jing)度(du)高(gao)、讀(du)數(shu)(shu)位數(shu)(shu)多、線性(xing)度(du)好(hao)，不(bu)(bu)受(shou)環(huan)境濕度(du)影響，儀(yi)器(qi)(qi)顯示采用(yong)(yong)大(da)屏幕 TFT，可顯示電(dian)(dian)(dian)(dian)(dian)容(rong)值(zhi) Cx、介(jie)(jie)損(sun)值(zhi)tgδ、試(shi)(shi)驗電(dian)(dian)(dian)(dian)(dian)壓(ya)Upk/√2 、電(dian)(dian)(dian)(dian)(dian)感(gan)量(liang)(liang)(liang)Lx、品質(zhi)因數(shu)(shu)Q、測(ce)(ce)試(shi)(shi)電(dian)(dian)(dian)(dian)(dian)流(liu)Ix、材(cai)料的(de)(de)介(jie)(jie)電(dian)(dian)(dian)(dian)(dian)常(chang)數(shu)(shu)ε、測(ce)(ce)試(shi)(shi)電(dian)(dian)(dian)(dian)(dian)源頻率(lv)fx、視(shi)在(zai)功率(lv)S、有(you)(you)效功率(lv)P、無功功率(lv)Q等，它不(bu)(bu)僅能測(ce)(ce)電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)(liang)(liang)、介(jie)(jie)損(sun)量(liang)(liang)(liang)，還能測(ce)(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)感(gan)量(liang)(liang)(liang)和(he)Q值(zhi)及固(gu)體(ti)材(cai)料和(he)液體(ti)材(cai)料的(de)(de)介(jie)(jie)質(zhi)損(sun)耗(hao)(hao)和(he)介(jie)(jie)電(dian)(dian)(dian)(dian)(dian)常(chang)數(shu)(shu)，還有(you)(you)前(qian)時(shi)鐘的(de)(de)顯示，是(shi)目前(qian)國內精(jing)(jing)度(du)高(gao)、穩定性(xing)好(hao)、操作方(fang)便、用(yong)(yong)途(tu)廣泛的(de)(de)高(gao)壓(ya)電(dian)(dian)(dian)(dian)(dian)橋(qiao)(qiao)。它在(zai)測(ce)(ce)量(liang)(liang)(liang)上(shang)具(ju)有(you)(you)很高(gao)的(de)(de)比率(lv)精(jing)(jing)度(du)和(he)穩定性(xing)，這(zhe)是(shi)一般西林電(dian)(dian)(dian)(dian)(dian)橋(qiao)(qiao) 、高(gao)壓(ya)介(jie)(jie)損(sun)儀(yi)不(bu)(bu)能達到(dao)(dao)的(de)(de)。適宜于在(zai)高(gao)電(dian)(dian)(dian)(dian)(dian)壓(ya)下(xia)測(ce)(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜、高(gao)壓(ya)套管、電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)、 電(dian)(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)、互感(gan)器(qi)(qi)等高(gao)壓(ya)電(dian)(dian)(dian)(dian)(dian)力設(she)備的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)(liang)(liang)及損(sun)耗(hao)(hao)角正切值(zhi)tgδ，以(yi)及各(ge)種固(gu)體(ti)或液體(ti)絕(jue)緣材(cai)料的(de)(de)介(jie)(jie)電(dian)(dian)(dian)(dian)(dian)常(chang)數(shu)(shu)（ε）及介(jie)(jie)損(sun)值(zhi)tgδ，也(ye)可測(ce)(ce)量(liang)(liang)(liang)高(gao)壓(ya)變壓(ya)器(qi)(qi)或電(dian)(dian)(dian)(dian)(dian)壓(ya)互感(gan)器(qi)(qi)的(de)(de)比差(cha)和(he)角差(cha)。電(dian)(dian)(dian)(dian)(dian)橋(qiao)(qiao)可外接(jie)電(dian)(dian)(dian)(dian)(dian)流(liu)互感(gan)器(qi)(qi)以(yi)擴(kuo)大(da)量(liang)(liang)(liang)程(cheng)，測(ce)(ce)量(liang)(liang)(liang)大(da) 的(de)(de)電(dian)(dian)(dian)(dian)(dian)力 電(dian)(dian)(dian)(dian)(dian)容(rong) 器(qi)(qi) 時(shi)本電(dian)(dian)(dian)(dian)(dian)橋(qiao)(qiao)為(wei)四端測(ce)(ce)量(liang)(liang)(liang)具(ju)有(you)(you)引(yin)線補償裝置，使(shi)測(ce)(ce)量(liang)(liang)(liang)精(jing)(jing)度(du)提高(gao)，消除(chu)接(jie)線電(dian)(dian)(dian)(dian)(dian)阻引(yin)起的(de)(de)附加誤差(cha)。本電(dian)(dian)(dian)(dian)(dian)橋(qiao)(qiao)還可測(ce)(ce)量(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)抗(kang)(kang)器(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)感(gan)量(liang)(liang)(liang)及Q值(zhi)。量(liang)(liang)(liang)程(cheng)擴(kuo)展器(qi)(qi)（供選(xuan)購）能使(shi)主橋(qiao)(qiao)體(ti)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)比從1000：1擴(kuo)大(da)到(dao)(dao)106：1。

技術指標

　　電(dian)容測量(liang)范圍:0.1Cn~1000Cn（7位有效數字）外接量(liang)程擴展電(dian)容量(liang)至少測到1100uF

　　電容的測量準(zhun)確度：±1×10-5

　　電橋(qiao)tgδ范(fan)圍：-110%到+110%

　　tgδ測量準確度不(bu)大于0.2%rdg±1×10-5

　　tgδ測量z小分辨率1×10-6（連接電腦(nao)可(ke)達1×10-7）

　　試驗電(dian)壓：0～1000kV，精度1%（4位有效(xiao)數字）

　　測量頻率：35～65Hz，精度(du)1Hz（4位有(you)效數字）

電橋式介電常數測試儀參數：