表面電阻率體積電阻測試儀參數

　　1 電(dian)阻(zu)測量(liang)范圍 1×104Ω～1×1018Ω

　　2 電流測(ce)量(liang)范圍為(wei) 2×10-4A～1×10-16A

　　3 雙表頭顯示 3.1/2位LED顯示

　　4 供電形式 AC 220V，50HZ，功耗約5W

　　5 基本準確度 1% (*注)

　　6 內置測(ce)試電壓 100V、250、500、1000V

表面電阻率體積電阻測試儀測(ce)(ce)(ce)(ce)量(liang)時(shi)(shi)從低次檔(dang)逐漸(jian)拔往(wang)高次檔(dang) 每(mei)撥(bo)一次稍停留1～2秒以(yi)便觀(guan)察顯(xian)示數字(zi)，當(dang)(dang)有(you)顯(xian)示值時(shi)(shi)應(ying)停下，記錄當(dang)(dang)前的(de)(de)(de)(de)(de)數字(zi)即是(shi)被測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值。若顯(xian)示“1"時(shi)(shi)，表(biao)示欠量(liang)程(cheng)應(ying)往(wang)高次檔(dang)拔。直(zhi)到(dao)有(you)顯(xian)示數字(zi)時(shi)(shi)為止(zhi)。當(dang)(dang)有(you)顯(xian)示數字(zi)時(shi)(shi)不(bu)(bu)(bu)能(neng)(neng)再往(wang)高次檔(dang)撥(bo)，否(fou)則有(you)可(ke)能(neng)(neng)損壞(huai)儀器(機內有(you)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)保護電(dian)(dian)(dian)(dian)(dian)(dian)路)。除(chu)104 Ω檔(dang)之(zhi)外，當(dang)(dang)顯(xian)示低于1.99，表(biao)示過(guo)(guo)(guo)量(liang)程(cheng)應(ying)換(huan)低檔(dang)! 測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)過(guo)(guo)(guo)程(cheng)中(zhong)不(bu)(bu)(bu)能(neng)(neng)觸摸微電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)端 微電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)端zui怕受到(dao)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)或(huo)人體(ti)感(gan)應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)及(ji)靜電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)沖擊(ji)。所(suo)以(yi)在開(kai)機后和(he)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)過(guo)(guo)(guo)程(cheng)中(zhong)不(bu)(bu)(bu)能(neng)(neng)與微電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)端接(jie)觸，以(yi)免損壞(huai)儀表(biao)。 隨意改動測(ce)(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)可(ke)能(neng)(neng)因電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)(de)(de)(de)(de)過(guo)(guo)(guo)高或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)過(guo)(guo)(guo)大(da)損壞(huai)被測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)器件或(huo)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀器，而且(qie)有(you)的(de)(de)(de)(de)(de)材(cai)料是(shi)非線性(xing)的(de)(de)(de)(de)(de)，即電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)與電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)是(shi)不(bu)(bu)(bu)符合歐(ou)姆定律，有(you)改變電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時(shi)(shi)由于電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不(bu)(bu)(bu)是(shi)線性(xing)變化(hua)，所(suo)以(yi)測(ce)(ce)(ce)(ce)量(liang)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)也會變化(hua)。 符合國家標(biao)準GB1410－2006固體(ti)電(dian)(dian)(dian)(dian)(dian)(dian)工絕(jue)緣材(cai)料絕(jue)緣電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)、體(ti)積(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)系(xi)數和(he)表(biao)面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)試(shi)(shi)(shi)驗方(fang)法(fa)，ASTM D257 絕(jue)緣材(cai)料的(de)(de)(de)(de)(de)直(zhi)流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)導試(shi)(shi)(shi)驗方(fang)法(fa) 等(deng)標(biao)準要求。本(ben)儀器配不(bu)(bu)(bu)同的(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)極（夾(jia)具）可(ke)以(yi)測(ce)(ce)(ce)(ce)量(liang)不(bu)(bu)(bu)同材(cai)料（固體(ti)、粉(fen)(fen)體(ti)或(huo)液體(ti)）的(de)(de)(de)(de)(de)體(ti)積(ji)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率和(he)表(biao)面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)率或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)導率。適用于橡(xiang)膠(jiao)、塑(su)料、薄(bo)膜、及(ji)粉(fen)(fen)體(ti)、液體(ti)、及(ji)固體(ti)和(he)膏體(ti)形狀的(de)(de)(de)(de)(de)各(ge)種絕(jue)緣材(cai)料體(ti)積(ji)和(he)表(biao)面(mian)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值的(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)定。本(ben)儀器除(chu)能(neng)(neng)測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)外，還能(neng)(neng)直(zhi)接(jie)測(ce)(ce)(ce)(ce)量(liang)微弱(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。