Yuav ua li cas electricians xaiv ib tug multimeter uas haum rau lawv tus kheej siv
Lub multimeter yog ib qho ntawm cov cuab yeej tsim nyog rau cov neeg ua haujlwm hluav taws xob lossis cov neeg nyiam siv hluav taws xob hluav taws xob, thiab kev xaiv ntawm multimeter nyob ntawm qhov xwm txheej tiag tiag. Txhua hom muaj lub luag haujlwm ntawm multimeter, thiab xaiv qhov uas haum rau koj yog qhov zoo tshaj plaws.
Piv txwv li, raws li ib tug hluav taws xob, thaum siv ib tug multimeter rau AC, yuav tsum muaj ntau DC voltage, kuj theem, on/off buzzer theem, thiab capacitance theem. Ntev npaum li qhov voltage theem, tsis kam, qib capacitance, thiab ntau yam txaus, nws txaus.
Yog hais tias nws yog siv nyob rau hauv hluav taws xob circuits, nyob rau hauv tas li ntawd mus ua tau raws li lub yav dhau los tej yam kev mob, kuj yuav tsum muaj ib tug peb-theem raj ntsuas iav thiab ib tug kub ntsuas iav. Tshwj xeeb tshaj yog cov capacitance ntsuas iav yuav tsum ua tau raws li qhov xav tau ntawm kev ntsuas. Ntau lub capacitors ntawm lub rooj tsav xwm Circuit Court muaj peev xwm ntawm 1 picosecond, yog li qhov ntsuas qhov ntsuas qhov ntsuas ntawm lub tshuab hluav taws xob yuav tsum muaj peev xwm ntsuas qhov muaj peev xwm me me ntawm cov khoom siv hluav taws xob. Qee cov multimeters ntsuas capacitance los ntawm kev ntxig tus pin ntawm lub capacitor rau hauv qhov chaw ntsuas qhov ntsuas qhov ntsuas ntawm qhov ntsuas. Qee cov multimeters tsis tas yuav tsum tau muab tso rau hauv lub ntsuas ntsuas, tsuav yog tias lub iav tau teeb tsa rau lub ntsuas ntsuas lub peev xwm, lub capacitance tuaj yeem ntsuas ncaj qha nrog ob qhov kev sojntsuam.
Multimeters muaj ob qho tib si phau ntawv thiab tsis siv neeg ntau yam, thiab lawv sib haum nrog ib leeg. Qhov zoo ntawm kev siv ntau yam tsis siv neeg yog tias nws tuaj yeem zam qhov teeb tsa tsis raug ntsuas iav thiab hlawv lub multimeter. Tau kawg, nws tus nqi siab dua li ntawm phau ntawv qhia ntau yam multimeter. Hauv luv luv, muaj ntau hom thiab hom multimeter, thiab xaiv qhov tsim nyog rau koj tus kheej siv yog qhov zoo tshaj plaws.
