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Kev daws teeb meem ntawm Multimeter

Nov 11, 2022

Kev daws teeb meem ntawm Multimeter


Digital multimeter, tseem hu ua multimeter, multimeter, multimeter los yog peb lub hom phiaj meter, yog ib lub hom phiaj siv hluav taws xob ntsuas ntsuas, feem ntau suav nrog ammeter, voltmeter, ohmmeter thiab lwm yam haujlwm. Piv nrog rau tus pointer multimeter, cov multimeter digital muaj qhov zoo ntawm qhov siab precision, ceev ceev, loj input impedance, cov zaub, nyeem kom raug, muaj peev xwm tiv thaiv kev cuam tshuam, thiab qib siab ntawm kev ntsuas automation, yog li nws yog dav siv. Txawm li cas los xij, yog tias siv tsis raug, nws yooj yim ua rau tsis ua haujlwm.


Kev daws teeb meem digital multimeter feem ntau yuav tsum pib nrog lub hwj chim mov. Kev daws teeb meem digital multimeter tuaj yeem ua tiav raws li hauv qab no.


1. Kev tshuaj xyuas qhov tshwm sim.


Koj tuaj yeem kov lub roj teeb, resistors, transistors, thiab cov blocks sib xyaw kom pom tias qhov kub thiab txias siab dhau lawm. Yog tias lub roj teeb uas tau teeb tsa tshiab ua kom sov, lub voj voog yuav luv luv. Nyob rau hauv tas li ntawd, lub Circuit Court yuav tsum tau soj ntsuam rau disconnection, desoldering, mechanical puas, thiab lwm yam.


2. Kev tsom xam Waveform.


Siv lub tshuab hluav taws xob oscilloscope los soj ntsuam qhov voltage waveform, amplitude, lub sij hawm (frequency), thiab lwm yam ntawm txhua qhov tseem ceeb ntawm lub voj voog. Piv txwv li, yog tias lub moos oscillator oscillating, yog tias tsis muaj qhov tso tawm los ntawm oscillator, nws txhais tau hais tias lub inverter sab hauv puas, lossis cov khoom sab nraud yuav qhib.


3. Kev ntsuas qhov ntsuas qhov ntsuas.


Parameter qhov tseem ceeb yuav tsum tau txheeb xyuas rau kev ntsuas hauv online lossis off-line ntawm cov khoom hauv qhov txhaum. Thaum ntsuas kev tiv thaiv hauv online, kev cuam tshuam ntawm cov khoom txuas nrog rau kev sib txuas nrog nws yuav tsum tau txiav txim siab.


4. Kev daws teeb meem zais.


Cov kev ua txhaum zais cia hais txog qhov txhaum uas tshwm sim thiab ploj mus ib ntus, thiab cov cuab yeej siv qee zaum zoo lossis tsis zoo. Qhov kev ua tsis tiav no yog qhov nyuaj dua, thiab cov laj thawj feem ntau suav nrog kev vuam tsis muaj zog ntawm cov pob qij txha, kev xoob, xoob ntawm cov khoom sib txuas, kev sib cuag tsis zoo ntawm cov hloov pauv hloov, kev ua haujlwm tsis ruaj khov ntawm cov khoom, thiab kev tawg ntawm cov hlau txuas txuas ntxiv. Tsis tas li ntawd, nws kuj suav nrog qee yam sab nraud. Piv txwv li, ambient kub yog siab dhau lawm, cov av noo siab dhau lawm, los yog muaj cov teeb liab muaj zog cuam tshuam nyob ze.


5. Tshawb xyuas qhov ua haujlwm voltage ntawm txhua qib.


Txhawm rau txheeb xyuas qhov ua haujlwm voltage ntawm txhua qhov taw qhia thiab sib piv nrog tus nqi ib txwm muaj, qhov tseeb ntawm qhov siv hluav taws xob yuav tsum tau ua kom ntseeg tau ua ntej. Nws yog qhov zoo tshaj plaws los siv digital multimeter ntawm tib tus qauv lossis zoo sib xws los ntsuas thiab sib piv.


Ntxiv rau cov laj thawj saum toj no, qhov kev puas tsuaj ntawm digital multimeter kuj tseem tuaj yeem tshwm sim los ntawm qhov ntsuas tsis raug. Piv txwv li, thaum ntsuas AC mains, qhov ntsuas qhov ntsuas tau raug xaiv los muab tso rau hauv qhov hluav taws xob thaiv. Nyob rau hauv cov ntaub ntawv no, ib zaug lub xeem cwj mem kov lub mains, nws yuav instantly yuav ua rau kev puas tsuaj rau lub sab hauv ntawm lub multimeter. Yog li ntawd, ua ntej siv lub multimeter los ntsuas, nco ntsoov xyuas seb lub ntsuas ntsuas puas yog. Tom qab siv, teeb tsa qhov kev ntsuas ntsuas rau AC 750V lossis DC 1000V, yog li tsis muaj teeb meem dab tsi tsis raug ntsuas hauv kev ntsuas tom ntej, nws yuav tsis ua rau muaj kev puas tsuaj rau digital multimeter.


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