Kev tiv thaiv kev ntsuas rau khoov tus pointer ntawm multimeter thiab hlawv lub taub hau meter
Txhawm rau tiv thaiv cov xwm txheej zoo li no tshwm sim, ua tib zoo saib cov hauv qab no thaum siv multimeter:
1) Ua ntej ntsuas, kwv yees qhov loj ntawm cov khoom ntsuas thiab tig qhov hloov mus rau qhov tsim nyog cov iav.
Yog tias koj tsis paub meej txog qhov ntsuas qhov loj me, koj tuaj yeem ua ntej teeb tsa qhov ntau ntawm cov iav siab tshaj plaws, thiab tom qab ntawd maj mam txav mus rau qhov tsim nyog cov iav.
Nco ntsoov tias thaum ntsuas cov khoom loj nrog ib qho me me, nws muaj feem ntau tias tus taw tes yuav khoov.
2) Thaum ntsuas qhov tsis kam, qhov ntsuas hluav taws xob yuav tsum raug txiav tawm ntawm lub zog hluav taws xob.
3) Tsis txhob tig qhov hloov pauv thaum ntsuas qhov hluav taws xob siab lossis siab tam sim no. Txhawm rau tiv thaiv arcing ntawm cov neeg sib cuag thiab kev puas tsuaj rau qhov hloov.
4) Thaum ntsuas electrolytic capacitors, thawj zaug luv luv thiab tso tawm lawv ua ntej ntsuas.
5) Thaum siv multimeter tsis raug, lub header yuav raug hlawv.
Kev tiv thaiv kev ntsuas: Txuas ob lub silicon diodes nyob rau tib lub sijhawm ntawm qhov zoo thiab qhov tsis zoo ntawm lub taub hau ntsuas kev tiv thaiv (ib qho rau pem hauv ntej thiab ib qho rov qab ua ke).
Qhov hluav taws xob conduction ntawm silicon diode feem ntau ntau dua {{0}}}.5V, thiab qis dua 0.5V, qhov kev tiv thaiv pem hauv ntej ntawm silicon diode yog qhov loj, uas muaj qhov cuam tshuam me me ntawm qhov tseem ceeb sab hauv ntawm lub zog. meter taub hau thiab tuaj yeem tsis quav ntsej.
Thaum muaj qhov ntsuas tsis tseeb, qhov nce ntawm qhov hluav taws xob yuav ua rau lub zog ua haujlwm ntawm silicon diode txo qis, thiab feem ntau ntawm cov tam sim no yuav raug hloov los ntawm diode, uas ua haujlwm tiv thaiv lub taub hau meter.
