表面電阻率體積電阻測試儀參數

　　1 電阻測(ce)量范(fan)圍 1×104Ω～1×1018Ω

　　2 電流測量(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(hao)約5W

　　5 基(ji)本準確度 1% (*注)

　　6 內置測試電壓 100V、250、500、1000V

表面電阻率體積電阻測試儀測(ce)量時(shi)從低次檔(dang)(dang)(dang)(dang)逐(zhu)漸(jian)拔往(wang)高(gao)次檔(dang)(dang)(dang)(dang) 每(mei)撥(bo)一次稍(shao)停留1～2秒(miao)以便觀察顯(xian)(xian)(xian)示(shi)(shi)數字，當有(you)(you)(you)顯(xian)(xian)(xian)示(shi)(shi)值(zhi)時(shi)應(ying)停下，記錄當前(qian)的(de)(de)(de)數字即是(shi)被(bei)(bei)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)。若(ruo)顯(xian)(xian)(xian)示(shi)(shi)“1"時(shi)，表(biao)(biao)示(shi)(shi)欠量程(cheng)應(ying)往(wang)高(gao)次檔(dang)(dang)(dang)(dang)拔。直(zhi)到有(you)(you)(you)顯(xian)(xian)(xian)示(shi)(shi)數字時(shi)為止。當有(you)(you)(you)顯(xian)(xian)(xian)示(shi)(shi)數字時(shi)不(bu)(bu)(bu)能(neng)再往(wang)高(gao)次檔(dang)(dang)(dang)(dang)撥(bo)，否則有(you)(you)(you)可(ke)(ke)能(neng)損(sun)壞儀(yi)器(機內有(you)(you)(you)過(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)保護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu))。除(chu)104 Ω檔(dang)(dang)(dang)(dang)之外，當顯(xian)(xian)(xian)示(shi)(shi)低于1.99，表(biao)(biao)示(shi)(shi)過(guo)量程(cheng)應(ying)換低檔(dang)(dang)(dang)(dang)! 測(ce)試(shi)過(guo)程(cheng)中(zhong)不(bu)(bu)(bu)能(neng)觸(chu)摸微(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)測(ce)試(shi)端 微(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)測(ce)試(shi)端zui怕受到大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)或人體(ti)(ti)感應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)及靜電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)沖擊。所以在開機后(hou)和(he)(he)測(ce)試(shi)過(guo)程(cheng)中(zhong)不(bu)(bu)(bu)能(neng)與微(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)測(ce)試(shi)端接觸(chu)，以免(mian)損(sun)壞儀(yi)表(biao)(biao)。 隨意(yi)改(gai)動(dong)測(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)可(ke)(ke)能(neng)因電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)(de)(de)過(guo)高(gao)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)過(guo)大(da)損(sun)壞被(bei)(bei)測(ce)試(shi)器件或測(ce)試(shi)儀(yi)器，而且有(you)(you)(you)的(de)(de)(de)材(cai)料(liao)(liao)是(shi)非線(xian)性(xing)的(de)(de)(de)，即電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)與電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)是(shi)不(bu)(bu)(bu)符合歐姆定律，有(you)(you)(you)改(gai)變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)時(shi)由于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)不(bu)(bu)(bu)是(shi)線(xian)性(xing)變(bian)化，所以測(ce)量的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻也(ye)會變(bian)化。 符合國家標準(zhun)GB1410－2006固(gu)體(ti)(ti)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)工(gong)絕緣(yuan)材(cai)料(liao)(liao)絕緣(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻、體(ti)(ti)積(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻系數和(he)(he)表(biao)(biao)面電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻試(shi)驗方法(fa)，ASTM D257 絕緣(yuan)材(cai)料(liao)(liao)的(de)(de)(de)直(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導(dao)試(shi)驗方法(fa) 等標準(zhun)要求。本(ben)儀(yi)器配不(bu)(bu)(bu)同的(de)(de)(de)測(ce)量電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極（夾具）可(ke)(ke)以測(ce)量不(bu)(bu)(bu)同材(cai)料(liao)(liao)（固(gu)體(ti)(ti)、粉(fen)體(ti)(ti)或液體(ti)(ti)）的(de)(de)(de)體(ti)(ti)積(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻率(lv)和(he)(he)表(biao)(biao)面電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻率(lv)或電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導(dao)率(lv)。適用于橡膠、塑料(liao)(liao)、薄膜、及粉(fen)體(ti)(ti)、液體(ti)(ti)、及固(gu)體(ti)(ti)和(he)(he)膏體(ti)(ti)形狀的(de)(de)(de)各(ge)種(zhong)絕緣(yuan)材(cai)料(liao)(liao)體(ti)(ti)積(ji)和(he)(he)表(biao)(biao)面電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值(zhi)的(de)(de)(de)測(ce)定。本(ben)儀(yi)器除(chu)能(neng)測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻外，還能(neng)直(zhi)接測(ce)量微(wei)弱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。