led燈珠漏電測量 如何用萬用表測led燈是否損壞 |
發布時間:2022-08-25 12:40:58 |
大家好今天來介紹led燈珠漏電(dian)(dian)測量(liang)(手電(dian)(dian)led燈珠測量(liang)好壞)的問題,以下是小(xiao)編對此問題的歸納整理,來看看吧(ba)。 文章目錄列表:電筆測led燈珠好壞電(dian)(dian)筆測LED燈珠的(de)好壞的(de)話,你(ni)(ni)直(zhi)接在那個打(da)(da)開(kai)APP中(zhong)買了(le)AD燈直(zhi)接打(da)(da)開(kai)電(dian)(dian)源,然后(hou)你(ni)(ni)用電(dian)(dian)筆測的(de)話,你(ni)(ni)直(zhi)接把那個電(dian)(dian)源直(zhi)接按住一(yi)(yi)手按住比一(yi)(yi)手大,指(zhi)拇(mu)大拇(mu)指(zhi)按住上面的(de)一(yi)(yi)個金(jin)屬,然后(hou)一(yi)(yi)點如果筆是(shi)(shi)(shi)顯有光的(de)話,那上面是(shi)(shi)(shi)有漏電(dian)(dian)的(de),如果沒(mei)有那個沒(mei)有光的(de)話,說(shuo)(shuo)明(ming)是(shi)(shi)(shi)沒(mei)有電(dian)(dian)的(de),就(jiu)是(shi)(shi)(shi)說(shuo)(shuo)明(ming)那個沒(mei)電(dian)(dian)的(de)地方是(shi)(shi)(shi)說(shuo)(shuo)明(ming)是(shi)(shi)(shi)擋路了(le),擋住了(le)那個沒(mei)有電(dian)(dian)登錄通過,接下(xia)來就(jiu)需要修復。 怎么用萬用表測LED燈箱是否漏電嚴(yan)格(ge)的(de)(de)(de)(de)(de)說(shuo)(shuo)(shuo)LED測試(shi)漏(lou)電(dian)(dian)(dian)流(liu)(liu)是要(yao)用(yong)(yong)(yong)(yong)專(zhuan)業(ye)的(de)(de)(de)(de)(de)光電(dian)(dian)(dian)測試(shi)儀的(de)(de)(de)(de)(de),如果沒有專(zhuan)業(ye)設備可以用(yong)(yong)(yong)(yong)萬用(yong)(yong)(yong)(yong)表(biao)來粗測下,用(yong)(yong)(yong)(yong)指針(zhen)萬用(yong)(yong)(yong)(yong)表(biao)(47型)電(dian)(dian)(dian)阻(zu)(zu)(zu)*10K檔黑筆接LED正極(ji),紅筆接LED負極(ji),這(zhe)時(shi)(shi)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)(zu)很的(de)(de)(de)(de)(de)小(xiao),并且同時(shi)(shi)LED會點亮,這(zhe)就(jiu)(jiu)說(shuo)(shuo)(shuo)明(ming)LED是完好的(de)(de)(de)(de)(de),要(yao)測漏(lou)電(dian)(dian)(dian)流(liu)(liu)需要(yao)把(ba)表(biao)筆對(dui)調一下,也就(jiu)(jiu)是測LED的(de)(de)(de)(de)(de)反向電(dian)(dian)(dian)阻(zu)(zu)(zu),這(zhe)時(shi)(shi)需要(yao)把(ba)萬用(yong)(yong)(yong)(yong)表(biao)切換到歐姆(mu)*10K擋(dang),測出的(de)(de)(de)(de)(de)電(dian)(dian)(dian)阻(zu)(zu)(zu)應該是無窮大或者指針(zhen)只是輕微擺(bai)動,如果電(dian)(dian)(dian)阻(zu)(zu)(zu)很小(xiao)就(jiu)(jiu)說(shuo)(shuo)(shuo)明(ming)LED漏(lou)電(dian)(dian)(dian)或是漏(lou)電(dian)(dian)(dian)流(liu)(liu)過大,阻(zu)(zu)(zu)值越(yue)小(xiao)說(shuo)(shuo)(shuo)明(ming)漏(lou)電(dian)(dian)(dian)流(liu)(liu)越(yue)大,漏(lou)電(dian)(dian)(dian)流(liu)(liu)很大的(de)(de)(de)(de)(de)LED則是不合格(ge)產品,如果指針(zhen)擺(bai)到頭說(shuo)(shuo)(shuo)明(ming)這(zhe)只LED報廢了. 萬用表檢測led燈漏電嚴格的說(shuo)(shuo)LED測試漏電(dian)流是要用(yong)專業的光(guang)電(dian)測試儀的,如果沒有專業設(she)備可以用(yong)萬用(yong)表來粗(cu)測下,用(yong)指針萬用(yong)表(47型)電(dian)阻*10K檔(dang)黑(hei)筆接LED正極(ji)(ji),紅(hong)筆接LED負極(ji)(ji),這時(shi)的電(dian)阻很的小,并(bing)且同時(shi)LED會點(dian)亮,這就說(shuo)(shuo)明LED是完好的, 要(yao)測漏(lou)(lou)電流需要(yao)把表筆對調一下,也就是測LED的(de)(de)反向電阻,這時需要(yao)把萬用表切換到歐姆(mu)*10K擋,測出的(de)(de)電阻應該(gai)是無窮大(da)或者指針只是輕微擺動,如(ru)(ru)果電阻很小(xiao)就說(shuo)明LED漏(lou)(lou)電或是漏(lou)(lou)電流過大(da),阻值越小(xiao)說(shuo)明漏(lou)(lou)電流越大(da),漏(lou)(lou)電流很大(da)的(de)(de)LED則是不合格(ge)產(chan)品,如(ru)(ru)果指針擺到頭說(shuo)明這只LED報(bao)廢了. 怎么檢測LED日光燈是否漏電很(hen)簡單直接用電筆(bi)(bi)接觸LED燈的(de)鎮流器外殼,如果電筆(bi)(bi)的(de)燈亮(liang)了(le),就(jiu)證明已(yi)經漏(lou)電了(le)。如果外殼是非金(jin)屬的(de),那就(jiu)談不上(shang)漏(lou)電了(le),只(zhi)要可以正常使用,就(jiu)沒事(shi)的(de)。 24伏led測電筆怎么測量漏電用(yong)弱電測電筆測量24vIed燈的外殼時,如果氖(nai)管發出(chu)紅色的亮光,則表明處于漏電狀態。 以(yi)上就是(shi)小編對于led燈珠(zhu)漏電測量(liang)(liang)(手(shou)電led燈珠(zhu)測量(liang)(liang)好(hao)壞)問(wen)題(ti)和(he)相關問(wen)題(ti)的解(jie)答了,希望對你有用 |