變壓器介質損耗測試儀儀器(qi)(qi)內(nei)部的(de)(de)計算機能(neng)自動對測(ce)(ce)(ce)試(shi)數據進行處理，直接在面(mian)板上顯(xian)示電(dian)(dian)(dian)(dian)(dian)容(rong)值(zhi)(zhi)及(ji)介損值(zhi)(zhi)tgδ和測(ce)(ce)(ce)試(shi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)及(ji)流(liu)經標(biao)準(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)（Is），并(bing)可(ke)通過(guo)打印機將(jiang)測(ce)(ce)(ce)試(shi)結果打印出來或通過(guo)RS232接口將(jiang)測(ce)(ce)(ce)試(shi)結果傳給(gei)電(dian)(dian)(dian)(dian)(dian)腦等優點。電(dian)(dian)(dian)(dian)(dian)橋可(ke)與各類高(gao)(gao)壓(ya)(ya)(ya)標(biao)準(zhun)電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)配合組成高(gao)(gao)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)容(rong)電(dian)(dian)(dian)(dian)(dian)橋，適宜于(yu)在高(gao)(gao)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)下測(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)、高(gao)(gao)壓(ya)(ya)(ya)套管、電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)、互感器(qi)(qi)等高(gao)(gao)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)力設備(bei)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)量(liang)及(ji)損耗角(jiao)正切值(zhi)(zhi)tgδ，以(yi)及(ji)各種固體(ti)或液體(ti)絕(jue)緣材料(liao)的(de)(de)介電(dian)(dian)(dian)(dian)(dian)常數（ε）及(ji)損失角(jiao)正切值(zhi)(zhi)，也可(ke)測(ce)(ce)(ce)量(liang)高(gao)(gao)壓(ya)(ya)(ya)變壓(ya)(ya)(ya)器(qi)(qi)或電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)互感器(qi)(qi)的(de)(de)比(bi)(bi)差(cha)和角(jiao)差(cha)，還可(ke)測(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)感量(liang)及(ji)Q值(zhi)(zhi)，是(shi)目前國內(nei)精度最(zui)高(gao)(gao)、穩定(ding)性好(hao)、操作(zuo)方便、用途(tu)廣泛的(de)(de)高(gao)(gao)精密高(gao)(gao)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)橋。電(dian)(dian)(dian)(dian)(dian)橋可(ke)外接電(dian)(dian)(dian)(dian)(dian)流(liu)互感器(qi)(qi)（QS30-3）以(yi)擴(kuo)大(da)(da)量(liang)程(cheng)(cheng)(選配），測(ce)(ce)(ce)量(liang)大(da)(da)電(dian)(dian)(dian)(dian)(dian)容(rong)時(shi)本電(dian)(dian)(dian)(dian)(dian)橋為四端測(ce)(ce)(ce)量(liang)具有引線(xian)補償裝置，使測(ce)(ce)(ce)量(liang)精度提高(gao)(gao)，消除接線(xian)電(dian)(dian)(dian)(dian)(dian)阻引起的(de)(de)附加誤差(cha)。量(liang)程(cheng)(cheng)擴(kuo)展器(qi)(qi)能(neng)使主(zhu)橋體(ti)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)比(bi)(bi)從(cong)1000：1擴(kuo)大(da)(da)到106：1。

變壓器介質損耗測試儀主要技術指標

電(dian)(dian)容測(ce)(ce)(ce)量范圍0～1μF，外加量程擴展（選配）可測(ce)(ce)(ce)1000μF以上 電(dian)(dian)容的測(ce)(ce)(ce)量準(zhun)確度：±5×10-5電(dian)(dian)橋tgδ范圍為-11.111%到(dao)+11.111%tgδx測(ce)(ce)(ce)量準(zhun)確度不大(da)(da)于±0.5% tgδx±5×10-5電(dian)(dian)橋Z大(da)(da)工(gong)作電(dian)(dian)流：電(dian)(dian)橋標準(zhun)臂Z大(da)(da)允許電(dian)(dian)流為30mA。通(tong)過(guo)被測(ce)(ce)(ce)臂Z大(da)(da)電(dian)(dian)流與倍率位(wei)置有(you)關被測(ce)(ce)(ce)Z大(da)(da)不超(chao)過(guo)2A，如測(ce)(ce)(ce)試需(xu)要(yao)則需(xu)外接電(dian)(dian)流互感器Z大(da)(da)1000A以上。

分(fen)辨率：當通過標準(zhun)電(dian)(dian)(dian)容(rong)器(qi)的電(dian)(dian)(dian)流為(wei)0.1mA時，且電(dian)(dian)(dian)容(rong)比率讀數(shu)第一(yi)只(zhi)盤(pan)為(wei)滿度時，在電(dian)(dian)(dian)橋平衡時，其電(dian)(dian)(dian)容(rong)比及(ji)介(jie)損盤(pan)的分(fen)辨率均為(wei)1×10-5。標準(zhun)電(dian)(dian)(dian)容(rong)量(liang)預置范(fan)圍：0000.00到(dao)(dao)1999.99pF。電(dian)(dian)(dian)橋內有過電(dian)(dian)(dian)壓(ya)(ya)保護措施，氖泡(pao)起(qi)輝電(dian)(dian)(dian)壓(ya)(ya)不超過交(jiao)流30伏。試驗(yan)電(dian)(dian)(dian)壓(ya)(ya)顯示：范(fan)圍0到(dao)(dao)499.9kV 分(fen)辨率為(wei)0.1Kv。

技術(shu)指標(biao)：大電流1000安精度：（當電橋量范在(zai)1000：1時(shi)）±1×10-5。