Tej yam uas yuav tsum nco ntsoov thaum yuav ib lub multimeter digital
A, qhov tseeb
Qhov tseeb ntawm digital multimeter ncaj qha cuam tshuam qhov tseeb ntawm kev ntsuas ntsuas. Txhawm rau kom tau txais digital multimeter, thawj kauj ruam yog txhawm rau txheeb xyuas nws cov kev ntsuas qhov tseeb: ua ntej, saib seb qhov ntsuas qhov tseeb puas tuaj yeem ua tau raws li qhov yuav tsum tau ua; thib ob, txhawm rau txheeb xyuas qhov kev ua tau zoo ntawm lub 'meter'. Tsis txhob xav tias tus lej 4- tus lej multimeter yuav tsum raug ntau dua li 3 5- lej multimeter. Kev ntsuas qhov tseeb ntawm cov txheej txheem ntxhib 4-digit multimeter tej zaum yuav muab piv rau qhov zoo crafted 3.5-digit multimeter. Tus tswv khw tau ntsib xws li ib lub 'meter': ib tug DT9103 hom 4-digit multimeter ua los ntawm lub Hoobkas me me tsis paub. Thaum lub sij hawm ntsuas cov txheej txheem, cov lej dhia nrawm heev, thiab nws tuaj yeem ncav cuag ib theem. Tsis ua tau raws li qhov yuav tsum tau muaj ntawm kev specifications.
B, teeb meem xav tau kev saib xyuas
1. Kev tshwm sim
Ib qho zoo digital multimeter tuaj yeem dhau los ua cov khoom siv tes ua kom pom tseeb, thiab nws yuav tsum ua kom zoo tshaj plaws ntawm cov ntaub ntawv, kev txhaj tshuaj molding txheej txheem, Circuit Court boards, tiv thaiv npog, thiab lwm yam.
2. Cov khoom kuaj xyuas
Tom qab tau txais digital multimeter:
Ua ntej, nws yog ib qho tsim nyog los xyuas seb cov ntaub ntawv puas zoo lawm, seb cov keyboards thiab cov nyees khawm puas ua haujlwm zoo, thiab seb qhov kev xav zoo li cas.
Txawm hais tias lub toggle hloov (kev ntsuas kev ua haujlwm xaiv) rotates flexibly, muaj qhov tsim nyog damping, xis nyob, thiab seb qhov ntsuas ntsuas qhov zoo li cas.
Txawm hais tias lub vijtsam LCD yog qhov tseeb, seb puas muaj cov hlab ntsha ploj, thiab seb tus lej dhia yuav tsum tsawg npaum li qhov ua tau.
Lub buzzer tuaj yeem ua suab nrov.
3. Cov ntsiab lus siv
Yog tias koj tuaj yeem qhib lub rooj saib xyuas, koj tuaj yeem xyuam xim rau kev tsim ntawm lub rooj tsav xwm hauv Circuit Court, cov khoom xaiv, kev teeb tsa thiab qib soldering, thiab lwm yam. Rau qhov zoo digital multimeter, kev tsim ntawm lub rooj tsav xwm Circuit Court yog ib qho tseem ceeb heev. Cov watches hauv tsev feem ntau muaj ob txheej txheej boards, thaum qee qhov chaw ua haujlwm loj txawv teb chaws siv ntau txheej txheej txheej txheej txheej txheej txheej los muab kev tiv thaiv zoo dua thiab kev ua haujlwm hluav taws xob. Qib ntawm kev xaiv cov khoom txiav txim siab qhov ntsuas qhov tseeb ntawm digital multimeter. High-end digital multimeters feem ntau siv cov khoom siv saum npoo av los txhim kho qhov tseeb thaum txo qhov loj ntawm lub rooj tsavxwm. Cov khoom siv hauv cov chaw tseem ceeb kuj tseem raug tshuaj xyuas. Kuv yuav tsis tham ntau txog qib vuam, raws li cov neeg nyiam siv hluav taws xob paub (thaum nws los txog rau qib vuam, koj tuaj yeem qhib lub tshuab hluav taws xob digital muaj nqis tshaj kaum yuan los saib, cov khoom siv tes ua haujlwm tau lees paub ua rau koj txaus ntshai. ).
