一、兆歐表如何使用

1、用絕緣(yuan)良好的單根(gen)銅芯軟導線(xian)(xian)做(zuo)兆歐表與(yu)被(bei)測(ce)試點之間(jian)的測(ce)量(liang)連接線(xian)(xian)，不能用絞合線(xian)(xian)。兩根(gen)測(ce)量(liang)連接線(xian)(xian)不可絞合，也不要(yao)接觸(chu)被(bei)測(ce)設備或線(xian)(xian)路的表面。

2、測(ce)量前(qian)，切(qie)斷(duan)被測(ce)設備或線(xian)路的電(dian)源，并將導電(dian)部分接(jie)地放電(dian)，防止(zhi)電(dian)容(rong)儲能放電(dian)傷(shang)人和燒壞儀表。然(ran)后擦干(gan)凈(jing)被測(ce)試點，以免影響測(ce)量的準確性。

3、測量時，轉(zhuan)動搖(yao)柄的速度應由慢逐(zhu)漸到(dao)快(kuai)，然后(hou)使(shi)之保持在(zai)額定轉(zhuan)速(一般為(wei)120轉(zhuan)／分(fen))，允許轉(zhuan)速在(zai)±20％范圍(wei)內變動，但最高不(bu)得超過150轉(zhuan)／分(fen)。搖(yao)動不(bu)得忽(hu)快(kuai)忽(hu)慢，否則指(zhi)(zhi)針(zhen)會搖(yao)擺不(bu)定。讀(du)數應在(zai)均勻搖(yao)動一分(fen)鐘后(hou)待(dai)指(zhi)(zhi)針(zhen)穩定下來讀(du)取。若發現(xian)指(zhi)(zhi)針(zhen)為(wei)零，表明被測絕緣物(wu)存在(zai)短路故障，應立刻停止(zhi)轉(zhuan)動搖(yao)柄，以(yi)防表內線圈因發熱而損(sun)壞。

4、測(ce)量完畢(bi)后，要(yao)先對被(bei)測(ce)設備(bei)或(huo)(huo)線(xian)(xian)路(lu)進(jin)行充(chong)分放電，再進(jin)行拆線(xian)(xian)收尾工(gong)作。若兆(zhao)歐表尚在轉動或(huo)(huo)雖已停(ting)止轉動但(dan)被(bei)測(ce)設備(bei)或(huo)(huo)線(xian)(xian)路(lu)還未放電時(shi)，不能用手觸及被(bei)測(ce)部(bu)分或(huo)(huo)進(jin)行拆線(xian)(xian)，以防觸電。在測(ce)量電容性設備(bei)或(huo)(huo)線(xian)(xian)路(lu)的絕(jue)緣電阻時(shi)。應(ying)在取得(de)穩(wen)定讀數后先小心取下(xia)測(ce)量連(lian)接線(xian)(xian)，再停(ting)止轉動搖柄，以免被(bei)測(ce)設備(bei)或(huo)(huo)線(xian)(xian)路(lu)向兆(zhao)歐表倒充(chong)電而(er)損(sun)壞儀表。

二、兆歐表測量接地電阻怎樣測試

1、先檢查接(jie)線是否正(zheng)確，然后(hou)調(diao)檔，先用最大檔開(kai)始，調(diao)零把兩個表夾接(jie)觸在一起，然后(hou)開(kai)始搖，并且調(diao)節指針(zhen)到零。

2、然后分開(kai)表夾(jia)，一個(ge)夾(jia)接地(di)樁，一個(ge)夾(jia)測(ce)量體，然后搖(yao)用最快的速度去(qu)搖(yao)就搖(yao)，是要超過(guo)120轉。

3、觀(guan)察測出(chu)的結果是否(fou)在測量(liang)范(fan)圍的2/3內來測試。

三、兆歐表的作用

兆歐表(biao)俗稱搖表(biao)，是(shi)電(dian)(dian)(dian)工常用(yong)的一種測量儀(yi)表(biao)。兆歐表(biao)主要用(yong)來(lai)檢(jian)查(cha)電(dian)(dian)(dian)氣設(she)備、家(jia)用(yong)電(dian)(dian)(dian)器(qi)或電(dian)(dian)(dian)氣線(xian)路(lu)對地及相(xiang)間的絕緣電(dian)(dian)(dian)阻，以保證這些(xie)設(she)備、電(dian)(dian)(dian)器(qi)和線(xian)路(lu)工作在正常狀態，避(bi)免發生觸電(dian)(dian)(dian)傷亡及設(she)備損壞等(deng)事故。

更多的相關信息，可以到兆歐表十大品牌查看哦。

四、兆歐表又叫什么表

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