一、兆歐表如何使用
1、用絕緣良好的(de)單(dan)根銅(tong)芯軟導(dao)線(xian)(xian)(xian)做兆歐表(biao)與被測(ce)試(shi)點之間的(de)測(ce)量連(lian)(lian)接(jie)線(xian)(xian)(xian),不(bu)能用絞合(he)線(xian)(xian)(xian)。兩根測(ce)量連(lian)(lian)接(jie)線(xian)(xian)(xian)不(bu)可絞合(he),也不(bu)要接(jie)觸(chu)被測(ce)設(she)備或(huo)線(xian)(xian)(xian)路的(de)表(biao)面(mian)。
2、測(ce)量(liang)(liang)前,切斷被測(ce)設備或線路的電(dian)(dian)(dian)源,并將導電(dian)(dian)(dian)部(bu)分(fen)接(jie)地放電(dian)(dian)(dian),防止電(dian)(dian)(dian)容儲(chu)能放電(dian)(dian)(dian)傷(shang)人(ren)和(he)燒壞儀表。然后(hou)擦(ca)干凈(jing)被測(ce)試點,以免影響測(ce)量(liang)(liang)的準(zhun)確性。
3、測量時(shi),轉(zhuan)(zhuan)動搖(yao)(yao)柄(bing)的速度應(ying)由(you)慢(man)逐漸到快,然后使之保持(chi)在額定轉(zhuan)(zhuan)速(一(yi)般(ban)為120轉(zhuan)(zhuan)/分),允(yun)許轉(zhuan)(zhuan)速在±20%范圍內(nei)變動,但最高不(bu)得超過150轉(zhuan)(zhuan)/分。搖(yao)(yao)動不(bu)得忽(hu)快忽(hu)慢(man),否(fou)則指針會(hui)搖(yao)(yao)擺(bai)不(bu)定。讀(du)數應(ying)在均勻(yun)搖(yao)(yao)動一(yi)分鐘后待指針穩定下來讀(du)取(qu)。若發(fa)現(xian)指針為零,表(biao)明被測絕緣(yuan)物存(cun)在短路(lu)故障,應(ying)立刻(ke)停止轉(zhuan)(zhuan)動搖(yao)(yao)柄(bing),以防(fang)表(biao)內(nei)線(xian)圈因發(fa)熱而損壞。
4、測(ce)(ce)量(liang)完畢(bi)后,要(yao)先對(dui)被測(ce)(ce)設(she)(she)備或線(xian)(xian)(xian)路(lu)進行(xing)充分放電(dian),再(zai)進行(xing)拆(chai)線(xian)(xian)(xian)收(shou)尾(wei)工作(zuo)。若兆(zhao)歐(ou)表(biao)尚在(zai)轉動(dong)或雖已停(ting)止(zhi)轉動(dong)但被測(ce)(ce)設(she)(she)備或線(xian)(xian)(xian)路(lu)還未放電(dian)時,不能用(yong)手(shou)觸(chu)及被測(ce)(ce)部分或進行(xing)拆(chai)線(xian)(xian)(xian),以(yi)防(fang)觸(chu)電(dian)。在(zai)測(ce)(ce)量(liang)電(dian)容性設(she)(she)備或線(xian)(xian)(xian)路(lu)的絕緣電(dian)阻時。應在(zai)取(qu)得穩定讀數后先小心(xin)取(qu)下測(ce)(ce)量(liang)連(lian)接(jie)線(xian)(xian)(xian),再(zai)停(ting)止(zhi)轉動(dong)搖柄,以(yi)免被測(ce)(ce)設(she)(she)備或線(xian)(xian)(xian)路(lu)向兆(zhao)歐(ou)表(biao)倒充電(dian)而損壞儀表(biao)。
二、兆歐表測量接地電阻怎樣測試
1、先(xian)(xian)檢查接線是否(fou)正確,然(ran)后調(diao)檔(dang),先(xian)(xian)用最大檔(dang)開(kai)始,調(diao)零把兩個(ge)表夾接觸在一起,然(ran)后開(kai)始搖(yao),并(bing)且調(diao)節指針(zhen)到零。
2、然后分開表夾,一(yi)個夾接地樁,一(yi)個夾測量體(ti),然后搖用最快的(de)速度去(qu)搖就搖,是要超過120轉。
3、觀察測出的結果是否在測量范圍的2/3內來測試。
三、兆歐表的作用
兆歐表(biao)(biao)(biao)俗(su)稱搖表(biao)(biao)(biao),是電工(gong)常用的一種測(ce)量(liang)儀表(biao)(biao)(biao)。兆歐表(biao)(biao)(biao)主要用來檢查電氣設(she)備、家用電器或電氣線路對(dui)地(di)及相間的絕緣電阻,以保證(zheng)這些設(she)備、電器和線路工(gong)作(zuo)在正常狀態,避免發(fa)生觸(chu)電傷(shang)亡及設(she)備損壞等事(shi)故(gu)。
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
兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)的別稱有:數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、指針兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、絕(jue)(jue)(jue)(jue)(jue)緣表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、高(gao)(gao)(gao)(gao)壓(ya)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)量儀(yi)(yi)(yi)、絕(jue)(jue)(jue)(jue)(jue)緣特(te)性(xing)(xing)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、電(dian)(dian)(dian)(dian)(dian)動(dong)搖(yao)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、電(dian)(dian)(dian)(dian)(dian)子式(shi)(shi)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、大(da)功率高(gao)(gao)(gao)(gao)壓(ya)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)式(shi)(shi)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)顯(xian)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、高(gao)(gao)(gao)(gao)壓(ya)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)量儀(yi)(yi)(yi)、絕(jue)(jue)(jue)(jue)(jue)緣特(te)性(xing)(xing)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、電(dian)(dian)(dian)(dian)(dian)動(dong)搖(yao)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)搖(yao)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)顯(xian)搖(yao)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)兆歐(ou)計(ji)、高(gao)(gao)(gao)(gao)壓(ya)數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)高(gao)(gao)(gao)(gao)壓(ya)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)高(gao)(gao)(gao)(gao)壓(ya)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)式(shi)(shi)高(gao)(gao)(gao)(gao)壓(ya)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、高(gao)(gao)(gao)(gao)壓(ya)數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)式(shi)(shi)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)絕(jue)(jue)(jue)(jue)(jue)緣表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)顯(xian)絕(jue)(jue)(jue)(jue)(jue)緣表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、電(dian)(dian)(dian)(dian)(dian)子式(shi)(shi)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)式(shi)(shi)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)顯(xian)式(shi)(shi)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)顯(xian)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀(yi)(yi)(yi)、絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)絕(jue)(jue)(jue)(jue)(jue)緣電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)儀(yi)(yi)(yi)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)動(dong)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、數(shu)(shu)(shu)(shu)(shu)(shu)字(zi)(zi)式(shi)(shi)高(gao)(gao)(gao)(gao)壓(ya)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)、大(da)功率高(gao)(gao)(gao)(gao)壓(ya)兆歐(ou)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)。