HomelinessYam cuab yeej thiab khoom

Yuav ua li cas xaiv ib tug multimeter rau lub tsev thiab lub tsheb

Kom txog rau thaum ib tug ob peb xyoo dhau los, tus tswv, uas yuav tsum tau ua hauj lwm nrog hluav taws xob, tsis tau xav txog tej yam lub neej tsis muaj tej pab kiag li ohmmeter, voltmeter thiab ammeter. Niaj hnub no lawv tuaj los hloov lub 'meter'. Cov yav tas yog ib tug universal ntaus ntawv rau kev soj ntsuam ib tug ntau yam ntawm hluav taws xob tsis thiab tes hauj lwm. Cia peb nrhiav tau tawm li cas los xaiv ib tug multimeter rau lub tsev thiab lub tsheb, xav txog lub hom phiaj ntawm pawg no ntawm pab kiag li lawm, lawv functionality.

Yuav ua li cas yog ntsuas multimeter?

yuav tau soj ntsuam kuaj siv no ntaus ntawv:

  • DC thiab AC voltage;
  • capacitance;
  • qhov kub thiab txias nyob rau hauv ntau qhov chaw ntawm qhov hluav taws xob Circuit Court;
  • kev ua tau zoo transistors thiab diodes;
  • inductance coils;
  • DC thiab AC tam sim no.

hom multimeters

Ua ntej koj khom lub tsheb tawm yuav ua li cas xaiv ib tug zoo multimeter, koj yuav tsum xav txog tej yam xws li pab kiag li lawm. Tam sim no muaj nyob rau hluav taws xob masters thiab analog pab kiag li lawm. Xav txog lawv nta nyob rau hauv kev txiav txim.

Nyob rau hauv analog pab kiag li lawm tag nrho cov kev ntsuas yog tso tawm kom pom nyob rau hauv cov duab bar los tsiv lub xub nrog hwm rau division. Nws muaj lub calibration, txhua tus uas hnov tau ib tug taw qhia. Lub ntsiab drawback ntawm txoj ntsiab cai no - tus kwv tij inaccuracy ntawm zaj lus tim khawv. Txawm nyob rau hauv qhov zoo analog multimeter xub me ntsis fluctuates sab, uas ua rau yus ib co distortion cov ntaub ntawv. Lawm, yog hais tias tus tswv yuav tsum tau kho xwb ntau qhov tseem ceeb, thiab xws li ib tug ntaus ntawv yuav haum rau nws. Nyob rau hauv kev, analog pab kiag li lawm yog suab outdated, li ntawd, yog siv niaj hnub no yog tsis tshua muaj heev.

Wondering txog yuav ua li cas xaiv ib tug multimeter, tej craftsmen mloog feem nyob rau hauv hluav taws xob pab kiag li lawm. Tag nrho cov ntaub ntawv yog generated nyob rau hauv lub digital zaub. Repeatable readings yog muaj tseeb thiab yooj yim rau to taub. Hauv pab kiag li lawm nyob rau hauv lub feem ntau ib qho kev zoo nta ntau functionality.

Nyob rau dab tsi lub ntsiab lus koj yuav tsum xyuam xim rau thaum nriav ib tug multimeter?

Muaj ib tug xov tooj ntawm defining yam ntxwv uas yuav tsum tau raug xam tias yog thaum xaiv cov measuring dais :

  • ntau yam ntawm indicators;
  • kev ua yuam kev;
  • ntsis ntsuam;
  • powered ntaus ntawv;
  • lub xov tooj ntawm cov lus.

Tom ntej no, xav txog yuav ua li cas xaiv ib tug multimeter, tsom rau cov tsis.

Cov kab kev los ntawm indicators

Cov khoom nta qhia tau hais tias lub siab tshaj plaws thiab yam tsawg kawg nkaus txwv tseem ceeb ntawm cov tsis uas yuav tsum tau ntsuas. Xaiv multimeter, pib los ntawm lub ntau yam ntawm indicators, As, nyob ntawm seb lub npaj uas muaj lub ntaus ntawv. Yog hais tias koj npaj yuav siv rau kev ua hauj lwm nyob rau hauv lub tej yam kev mob ntawm lub neej, nyob rau hauv cov ntaub ntawv no kom txaus nres cov kev xaiv ntawm tus dais nrog ib tug raug coj ntau yam. Raws li rau muaj kev siv, muaj yog ib qho zoo rau nyiam lub multimeter nrog lub widest tau ntau yam ntawm txhua parameter yuav tsum tau.

kev ua yuam kev

Txawm lub feem ntau high-zoo twj hluav taws xob tsis pub kom tau kiag li leej ntsuam. Yuav tuav ib tug me me yuam kev, uas cais pab kiag li lawm yuav txawv nyob rau hauv ntau ntawm 0,02 mus rau 3%. Txiav txim seb yuav ua li cas xaiv ib tug tester-multimeter, yuav tsum tau muab txiav txim siab tseem ceeb rau cov uas twb muaj lawm sib txawv.

Yog hais tias lub xab ntaus ntawv yog yuav tau rau kev nrhiav kev ua tau zoo electronics, nws yog pom zoo them sai sai mus ua qauv uas muaj me ntsis kev ua yuam kev. Raws li rau lub domestic kev siv ntawm lub tester, muaj yuav haum lub ntaus ntawv nrog ib co sib txawv los ntawm lub sij kev kawm tsis.

muaj peev xwm

Lub essence ntawm lub parameter yog, yuav ua li cas muaj tseeb readings yuav ua tswv cuab on-screen ntsuas ntaus ntawv. Piv txwv li, lub ib thooj ntawm txhua hnub multimeter muaj 2.5-ntsis cov lus, tso rau saib qhov tseem ceeb uas nws raug nce mus txog hundredths decimal qhov chaw. Nyob rau tib lub sij hawm, 3.5-ntsis li tso zis qhov tseem ceeb nyob rau hauv lub tshuaj ntsuam nrog rau thousandths.

Sim kom to taub txog yuav ua li cas los xaiv tus 'meter', raws li nyob rau hauv lub ciaj ciam ntawm lub paug, yuav tsum tau them tus nqi ntawm cov uas twb muaj lawm uas tsis. Yog hais tias nws yog impressive, txawm tau thousandths ntawm qhov tseem ceeb rau cov zaub yuav tsis tseem ceeb, vim hais tias cov ntaub ntawv no yuav yuav tsis muaj tseeb.

khoom noj khoom haus

Multimeters yog stand-alone pab kiag li lawm. Feem ntau ntawm cov kev khiav dej num ntawm cov pa roj teeb. lub hwj huam mov yog kiag li txaus los xyuas kom meej ntev-lub sij hawm kev lag luam ntawm lub tester, yog tias tsim nyog, ua tsev neeg ntsuam. Txawm li cas los, nyob rau hauv cov ntaub ntawv ntawm lub lag luam ntawm lub 'meter' kom muaj kev siv hais tias yog tsis txaus. Nyob rau hauv cov ntaub ntawv no nws yog tsim nyog mus lawm cov kev xaiv nyob rau hauv tester, uas yog txawm peem rau nrog ib tug capacitive roj teeb.

Number of qhia

Xyuam xim rau qhov kev nthuav qhia ntawm cov yam ntxwv yuav tsum yog tus masters, uas yog nyob rau hauv kev tshawb fawb ntawm ib tug tester rau siv nyob rau hauv ib tug muaj chaw los yog kev ua hauj lwm nrog complex avionics. Xaiv lub tsheb multimeter rau kev ntsuas nyob rau hauv lub li ib txwm domestic chaw yuav ua tau ib zaug xwb zaub. Muaj ntau cov ntxaij vab tshaus yuav yooj yim rau cov tub txawg uas yog nyob rau hauv cov dej num yuav tsum nqa ib tug tag nrho ntau ntau ntsuam.

Review ntawm nrov qauv

Yuav ua li cas xaiv ib tug multimeter rau lub tsheb thiab lub tsev? Muaj ob peb ntau cov piv txwv ntawm heev haumxeeb, ib qho yooj yim-rau-siv testers uas yog haum rau cov hom phiaj:

  1. ADD8055 - Model multimeter qhia tshwj xeeb uas tsim los ntsuas cov kev kawm ntawv ntawm cov roj teeb. Nrog nws kuj yuav saib xyuas cov kev khiav hauj lwm tsis muaj engine txias pib, tau txais cov ntaub ntawv los ntawm ntau yam feem ntawm hluav taws xob circuits.
  2. ADD280 - ib tug ntaus ntawv siv rau kev tshawb nrhiav blocks ntawm glow plugs nyob rau hauv diesel xyaw. Lag luam ntawm lub ntaus ntawv yuav ua rau nws tau mus ntes faults nyob rau hauv sparking nyob rau hauv xws systems.
  3. ADD3055 - diagnostic tester rau txoj kev tshawb no ntawm ntau yam sensor tswj units, hluav taws xob ntawm lub tsheb. Lub widest kis cov qauv no multimeter lawm mas kev pab cov chaw rau cov nyiaj tsheb.
  4. ADD8630 - kev ntsuam xyuas ntawm kev mob ntawm lub tsheb starters, generators, roj teeb. Qhov no tester comprises ib haumxeeb tsev nyob rau hauv ib lub tshuab luam, ntawm uas nws tseem tau mus tso saib cov ntaub ntawv rau ntawm daim ntawv.
  5. ADD91 - multifunctional measuring system uas yog dav siv los ntawm electricians thiab tsheb mechanics. Nws comprises ib tug backlit zaub thiab yog tau simulate Pib ntsais koj teeb uas muaj me tub ntau yam sensors.

yuav pab tau yim pab

Yuav kom thaum kawg txiav txim siab li cas los xaiv rau lub 'meter' ntawm lub tsheb thiab qhov kev siv ntawm tsev neeg paub tab yuav tsum coj mus rau hauv tus account ob peb tswv yim pom zoo.

Thaum assembling lub meej feem coob ntawm hluav taws xob testers siv txhim khu kev qha chips. Yog li ntawd, them nyiaj tshwj xeeb mloog mus rau cov filling ntaus ntawv yog tsis yuav tsum tau. Tab sis cov tsos ntawm tus dais no yog ib qho tseem ceeb. Rau ib tug pib nws yog pom zoo kom ntsuam xyuas cov kev zoo ntawm los ua ke. Cheebtsam ntawm lub chassis yuav tsum tau securely kev cob cog rua. Txais tos cov tsis muaj kev ncua, xoob qhov chaw thiab qhov chaw ntawd.

Yuav ua li cas xaiv ib tug multimeter siv hauv tsev? Nyob rau hauv cov ntaub ntawv no, ib tug dog dig yas yuav haum tester. Raws li rau cov tub txawg, lub tom kawg yuav tsum ua kom pom tseeb rau hauv lub purchase ntawm tus dais, lub sab hauv filling uas yog muab ntim rau hauv ib lub kaw enclosure resistant. Thaum kev khiav hauj lwm ib tug multimeter nyob rau hauv muaj daim ntaub ntawv nws yog ntshaw tias cov ntaus ntawv tsis tso cai rau nws lub hnab hauv lub hmoov av thiab dej.

Txiav txim uas meter opt rau lub tsheb thiab lub tsev, them mloog mus rau cov nqi thiab keyboards. Yog hais tias cov yam ntxwv hais no yog ua los ntawm cov neeg pluag zoo yas, nws tsub kom qhov yuav hais tias lawv yog hopelessly ua xoob nyob rau hauv thawj lub hlis ntawm lub lag luam ntawm tus dais. Raws li ib tug tshwm sim, nrhiav txoj cai metrics yuav tsis tshua muaj neeg yooj yim. Yog li ntawd nws yog tsim nyog los muab kev xaiv li cas rau multimeters nrog txhim khu kev qha, dua li hlau keyboards.

Yuav kom to taub yuav ua li cas xaiv ib tug multimeter, uas yuav pab tau nyob rau hauv niaj hnub siv, koj yuav tsum tig mus rau muab tso rau ib co ua qauv rau cov xib ntawm kev txaus siab. Zoo muab nyiam rau tus ntaus ntawv, uas yuav tsum txaus siab mus pw nyob rau hauv lub tes.

Uas twb muaj lawm cables yuav tsum muaj ib tug zoo tus ntoo khaub lig-section. Nws yog ib qho tseem ceeb nyob rau hauv cov neeg mob thaum nws yog tsim nyog los ua ntsuas nrog loj qhov tseem ceeb.

Nws yog ntshaw tias qhov kawg ntawm qhov kev sojntsuam no zoo sharpened. Nyob rau hauv xws li ib tug cov ntaub ntawv yuav tsis muaj kiag li tsis muaj teeb meem nrog rau cov kev xav tau rau accede rau qhov tsawg tshaj plaws hu cov ntsiab lus ntawm cov Circuit Court.

Nyob rau hauv xaus

Yog li ntawd peb ntsia li cas los xaiv ib tug multimeter. Thaum kawg nws muaj nqis ntsoov teev yog hais tias, yog tias tsim nyog, ua yooj yim ntsuam xws li kev kuaj roj teeb xwb los yog sim kom paub cov fuse, nws yog zoo dua mus saib cov kuj tsis tshua muaj nqi testers. Yog hais tias lub hom phiaj xws li qhov kev siv ntawm ntau cov teeb meem, koj yuav tsum xav txog kev yuav khoom ib tug tiag tiag multifunctional ntaus ntawv.

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