安規(gui)綜合測試儀主要是用來檢測電器產品是否漏電、是否接地良好、會不會傷害人身安全的專用測量儀器，主要檢測項目有耐電壓、泄漏電流、絕緣電阻和接地電阻。

用(yong)途將一(yi)規定交流或直流高(gao)(gao)壓施加在(zai)(zai)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)帶(dai)電(dian)(dian)(dian)(dian)部分和非帶(dai)電(dian)(dian)(dian)(dian)部分(一(yi)般為外殼)之(zhi)間以檢(jian)查電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)的(de)(de)絕緣材料所能承(cheng)受(shou)耐壓能力的(de)(de)試驗(yan)。電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)在(zai)(zai)長期工作(zuo)(zuo)(zuo)(zuo)中，不(bu)僅要承(cheng)受(shou)額(e)定工作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)壓的(de)(de)作(zuo)(zuo)(zuo)(zuo)用(yong)，還要承(cheng)受(shou)操(cao)作(zuo)(zuo)(zuo)(zuo)過(guo)程中引起短時間的(de)(de)高(gao)(gao)于(yu)額(e)定工作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)壓的(de)(de)過(guo)電(dian)(dian)(dian)(dian)壓作(zuo)(zuo)(zuo)(zuo)用(yong)(過(guo)電(dian)(dian)(dian)(dian)壓值可能會高(gao)(gao)于(yu)額(e)定工作(zuo)(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)壓值的(de)(de)好幾倍)。在(zai)(zai)這些電(dian)(dian)(dian)(dian)壓的(de)(de)作(zuo)(zuo)(zuo)(zuo)用(yong)下，電(dian)(dian)(dian)(dian)氣絕緣材料的(de)(de)內部結(jie)構(gou)將發生變化。當(dang)過(guo)電(dian)(dian)(dian)(dian)壓強度達到某一(yi)定值時，就會使材料的(de)(de)絕緣擊穿，電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)將不(bu)能正常運行(xing)，操(cao)作(zuo)(zuo)(zuo)(zuo)者(zhe)就可能觸電(dian)(dian)(dian)(dian)，危及人(ren)身安全。    

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