Qhia koj yuav ua li cas siv lub multimeter los kuaj xyuas cov dej xau
Troubleshooting Analysis
Ua ntej txheeb xyuas qhov twg muaj cov dej xau, peb yuav tsum xub saib seb qhov kev ua txhaum twg tshwm sim hauv tsev thiab dab tsi yog cov yam ntxwv pom tseeb; thib ob, saib seb puas muaj cov ntsiab lus tsis txaus ntseeg los ntawm qhov chaw, thiab tom qab ntawd mus rau qib tom ntej.
1. Tshem tawm qhov hloov pauv tseem ceeb ntawm peb txoj kab hluav taws xob ua ntej, thiab tua tag nrho cov khoom siv hluav taws xob ntawm tus neeg siv, xws li tshem tawm lub tub yees, disconnecting lub twj tso kua mis hloov dej, thiab lwm yam.
2. Muab cov iav ntawm cov digital multimeter rau ntawm 200M iav ntawm ohm iav, muab ib qho kev xeem coj mus rau ib qho ntawm ob lub xov hlau tawm ntawm qhov chaw thauj khoom, thiab lwm qhov kev sim cov hlau lead kov cov phab ntsa, nyiam dua kov hauv av xaim lossis ib ntus. . Hauv av hlau. Tom qab tus lej tso tawm ntawm lub multimeter yog qhov ruaj khov, qhov ntsuas hluav taws xob tiv thaiv tus nqi ntawm cov kab tseem ceeb tau nyeem tawm.
Yog tias tus nqi hluav taws xob tiv thaiv qis dua {{0}}.5 megohm, ces muaj teeb meem nrog lub ntsiab Circuit Court. Yog hais tias lub rwb thaiv tsev tsis kam yog siab tshaj 0.5 megohm, nws tuaj yeem txiav txim siab tias lub ntsiab Circuit Court yog faulty. Ntsuas lwm cov hlau nyob rau hauv tib txoj kev, thiab kuj xyuas cov nqi kom pom tias muaj teeb meem nrog lub ntsiab hlau.
3. Tshawb xyuas cov nqi hluav taws xob tiv thaiv ntawm shunt thiab txhua yam khoom siv hluav taws xob, thiab siv tib txoj kev los ntsuas ib qho los ntawm ib qho kom txog thaum pom qhov txhaum.
