Multimeter resistance cim txheej txheem cej luam

Tej zaum koj yuav paub nrog ib tug multimeter. Tej zaum koj tau pom qhov no nyob ib puag ncig cov kws tshaj lij lossis lwm tus kws tshaj lij. Kuv kuj zoo li ntawd, txog thaum kuv muaj qhov xav tau tsis yog kawm xwb, tab sis kawm paub siv nws kom raug.

Nws nyuaj npaum li cas rau hluav taws xob ntws los ntawm ib yam dab tsi, yog tias nws nyuaj heev, ces muaj kev tiv thaiv ntau dua. 

Multimeter yog ib yam uas yuav siv tau los ntsuas kev tiv thaiv, nws xa ib tug me me hluav taws xob tam sim no los ntawm ib tug Circuit Court. Ib yam li muaj units ntawm qhov ntev, qhov hnyav, thiab qhov deb; Chav tsev ntawm kev ntsuas rau kev tiv thaiv nyob rau hauv ib tug multimeter yog lub ohm.

Lub cim rau ohm yog Ω (hu ua omega, tsab ntawv Greek). (1)

Cov npe ntawm cov cim ntsuas kev tiv thaiv yog raws li hauv qab no:

• Om = Om.
• kOhm = kOhm.
• MO = megaohm.

Hauv tsab xov xwm no, peb yuav saib kev ntsuas kev tiv thaiv nrog digital thiab analog multimeter.

Kev ntsuas tsis kam nrog digital multimeter 

Cov kauj ruam ua raws li kom ua tiav cov txheej txheem ntsuas kev tiv thaiv

1. Tag nrho cov hwj huam rau lub voj voog nyob rau hauv kev sim yuav tsum tau tawm.
2. Xyuas kom meej tias cov khoom nyob rau hauv kev ntsuam xyuas yog cais los ntawm tag nrho cov Circuit Court.
3. Lub selector yuav tsum nyob ntawm Ω.

4. Cov hlau lead thiab kev sojntsuam yuav tsum tau txuas nrog cov terminals kom zoo. Qhov no yog qhov tsim nyog kom tau txais qhov tseeb.
5. Saib lub qhov rais kom tau txais kev nyeem ntawv ntawm Ω.
6. Xaiv qhov tseeb ntau yam, uas nyob ntawm 1 ohm mus rau megaohm (lab).
7. Sib piv cov txiaj ntsig nrog cov chaw tsim khoom tshwj xeeb. Yog tias qhov kev nyeem ntawv sib tw, qhov kev tiv thaiv yuav tsis muaj teeb meem, txawm li cas los xij, yog tias cov khoom siv yog cov khoom thauj, qhov kev tiv thaiv yuav tsum nyob rau hauv cov chaw tsim khoom tshwj xeeb.
8. Thaum overload (OL) lossis infinity (I) tau qhia, cov khoom siv qhib.
9. Yog tias tsis tsim nyog kuaj ntxiv, lub ntsuas hluav taws xob yuav tsum tau "tso" thiab khaws cia rau hauv qhov chaw nyab xeeb.

Kev ntsuas tsis kam nrog ib qho analog multimeter

1. Xaiv lub caij uas nws tsis kam koj xav ntsuas.
2. Ntxig cov kev sojntsuam rau hauv lub qhov (socket) kom raug thiab xyuas cov xim lossis cov cim.
3. Nrhiav qhov ntau - qhov no yog ua los ntawm kev soj ntsuam qhov hloov pauv ntawm tus xub ntawm qhov ntsuas.

4. Ua ib qho kev ntsuas - qhov no yog ua los ntawm kev kov qhov sib txawv ntawm qhov sib txuas nrog ob qho tib si coj.
5. Nyeem cov txiaj ntsig. Yog hais tias qhov ntau yog teem rau 100 ohms thiab koob nres ntawm 5, qhov tshwm sim yog 50 ohms, uas yog 5 npaug ntawm qhov kev xaiv.
6. Teeb qhov hluav taws xob mus rau qhov siab kom tiv thaiv kev puas tsuaj.

Summing txog

Kev ntsuas kev tiv thaiv nrog multimeter, txawm tias digital lossis analog, yuav tsum tau saib xyuas kom tau txais qhov tseeb. Kuv paub tseeb tias tsab xov xwm no tau pab koj kawm yuav ua li cas thaum siv multimeter los ntsuas qhov tsis kam. Vim li cas koom nrog ib tus kws tshaj lij rau kev kuaj xyuas yooj yim yog tias koj tuaj yeem ua tau! (2)

Ua tib zoo saib qee qhov ntawm peb cov lus hauv qab no.

• Yuav ua li cas ntsuas amps nrog multimeter
• Yuav ua li cas kuaj lub txim taws nrog lub multimeter
• Yuav ua li cas kuaj lub Circuit Court breaker nrog multimeter

tswv yim pom zoo

(1) Greek tsab ntawv - https://www.britannica.com/topic/Greek-alphabet

(2) kev tshaj lij - https://www.thebalancecareers.com/top-skills-every-professional-needs-to-have-4150386