Siv lub multimeter, koj ntsuas qhov tawg ntawm cov hlau li cas?
Koj tuaj yeem tig lub multimeter lossis lwm lub 'meter' los tiv thaiv thiab tom qab ntawd muab cov cwj mem rau ntawm ob kawg ntawm cov hlau los ntsuas (nco ntsoov tias qhov ntsuas tau ua nrog lub hwj chim tawm).
1, yog tias muaj MΩ lossis KΩ uas txhais tau hais tias txoj kab tsis ua haujlwm, tawg.
2, yog tias muaj ob peb Ω lossis xoom ob peb Ω, nws txhais tau hais tias txoj kab qhib, tsis muaj kev cuam tshuam. (Tau kawg, tus nqi tshwj xeeb raws li qhov ntev ntawm koj cov kab tuab sib txawv, cov saum toj no tsuas yog siv rau kev siv xwb)
Ntsuas los ntawm hluav taws xob cwj mem
Yog hais tias tsev neeg kab, kev ntsuas ntawm ob kawg ntawm txoj kab tsaus ntuj yog qhov tsis muaj tseeb, koj tuaj yeem siv tus cwj mem hluav taws xob los kuaj xyuas ( ntsuas hauv qab fais fab), xoom kab tsis yog hluav taws xob, hluav taws xob cwj mem tsis teeb, kab hluav taws. yog hluav taws xob cwj mem lub teeb, xim! Lub sijhawm no koj tuaj yeem hloov txoj haujlwm ntawm cov kab hluav taws xob xoom kab txuas nrog, thiab tom qab ntawd mus ntsuas tus thawj xoom kab, saib seb tus cwj mem tam sim no ci, ci, ces tus thawj xoom kab tsis tawg, tsis ci, ces, tawg kab.
Qhov teeb meem no feem ntau ntsib nyob rau hauv lub installation thiab txij nkawm, cia peb pib nrog ib tug ib leeg-stranded hlau, nyob ze rau lub multimeter yuav siv tau nyob rau hauv lub beeper ntaub ntawv nyob rau hauv lub sab ntawm kev ntsuas, yog hais tias nws yog nyob deb deb, lub koob yuav tsis ncav cuag. ah ib! Txuas ib kab kev ntsuas sab; Yog hais tias qhov chaw tsis muaj cov kab npaj txhij, qhov ntsuas sab ntawm cov xaim mus rau lub hwj huam mov, yuav tsum yog ib qho hluav taws xob, nrog rau 1000 ~ 500V iav, sab ntawm lwm qhov kawg ntawm lub hwj chim, yog hais tias sab ntawm qhov hluav taws xob. qhov sib txawv nrog cov kev sib tshuam yog ntau dhau los yog xoom yog qhov tseeb tias qhov nruab nrab ntawm cov xaim muaj qhov chaw ntawm kev sib cuag tsis zoo los yog nrog cov kab hluav taws xob tawg! Yog hais tias nws yog ib tug ntau-stranded hlau (cable) sab npaum li cas raws li saum toj no txoj kev sab tus nqi yog ntau yooj yim dua!
Xav mus rau sab kom tau qhov chaw tawg, xav tau cov khoom siv digital ntawm lub ntsuas ntsuas, xaim hluav taws xob (tsis txhob txuas cov khoom siv hluav taws xob) hauv cov hlau sab nraud tuaj yeem hnov hauv qhov chaw tawg, muaj cov khoom siv 11 0V, tsis muaj hwj chim qhia 0 lossis tsis qhia (raws li koj cov duab digital ntawm tus cwj mem xeem, tsis zoo ib yam li tib yam yuav tsis zoo ib yam)! Siv hluav taws xob kom xyuam xim rau kev nyab xeeb!
1, nrog multimeter tiv thaiv thaiv
2, nrog multimeter cua chirp thaiv
3, siv lub multimeter's voltage thaiv
Nrog rau saum toj no 1, 2 txoj kev, cov cwj mem liab thiab dub txuas nrog rau ob qho kawg ntawm cov hlau, koj tuaj yeem sim qhov qhib-tawm
Txoj kev thib peb yuav tsum tau txuas nrog lub zog hluav taws xob, ob lub xov hlau txuas nrog xoom, hluav taws kub, nrog cov cwj mem liab thiab dub, raws li, tsis muaj qhov hluav taws xob tawg, tsis muaj hluav taws xob xaim tawg!
Multimeter los txiav txim siab ntau yam kab lus, 1 tawg tsis muaj suab 2 tawg tsis muaj zog 3 tawg tsis muaj hluav taws xob 4 tawg tsis muaj tam sim no 5 tawg tsis muaj teeb liab 6 tawg tsis muaj voj voog
