Tsib lub ntsiab ntawm kev xaiv digital multimeter
digital multimeter zaub
Feem ntau hais lus, cov tuam txhab lag luam feem ntau siv cov lej daws teeb meem los sawv cev cov peev xwm ntawm cov khoom siv digital multimeters. Cov lej lej yog cov lej tseem ceeb tshaj plaws uas lub multimeter tuaj yeem tso saib. Nws yog qhov piv ntawm qhov siab tshaj plaws tus nqi ntawm me ntsis rau tus naj npawb ntawm cov xeev tau. Qhov siab dua qhov kev daws teeb meem, qhov ntsuas qhov tseeb dua. Nyob rau tib lub sijhawm, qhov kev daws teeb meem siab dua, qhov zoo dua qhov multimeter.
Digital Multimeter suav
Vim tias "kev daws teeb meem" feem ntau ua rau cov neeg siv tsis meej pem, cov chaw tsim khoom tau pib siv "suav" txhawm rau txheeb xyuas qhov muaj peev xwm. Kev suav ntawm cov digital multimeter yog hais txog tus lej siab tshaj plaws uas multimeter tuaj yeem tso saib ua ntej hloov qhov ntau, thiab pes tsawg tus lej nws tuaj yeem tso saib tag nrho, uas yuav cuam tshuam rau qhov tseeb ntawm digital multimeter.
Digital Multimeter daws teeb meem
Qhov kev daws teeb meem ntawm digital multimeter yog qhov hloov me tshaj plaws hauv cov teeb liab tawm tswv yim uas tuaj yeem hloov cov teeb liab tawm. Thaum qhov ntau ntawm digital multimeter raug txo, qhov kev daws teeb meem nce. Txawm li cas los xij, thaum kawg ntawm hnub, koj xav kom koj lub multimeter tso saib ntsuas kev nyeem ntawv ntawm qhov kev daws teeb meem zoo tshaj plaws.
Ntau yam ntawm digital multimeter
Thaum xaiv DMM, koj yuav tsum paub qhov tsawg kawg nkaus, qhov siab tshaj plaws, thiab kev daws teeb meem uas koj xav tau. Feem ntau ntawm DMMs niaj hnub no muaj kev ntsuas pib thiab phau ntawv ntsuas.
Hauv kev ntsuas qhov ntsuas nws pib, txhua yam koj yuav tsum tau ua yog xaiv qhov kev ntsuas qhov xav tau thiab cia lub multimeter tau xaiv qhov tsim nyog tshaj plaws. Feem ntau, koj yuav tsum xaiv autorange thaum koj tsis paub ntau qhov kev ntsuas ntsuas tau. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev ntsuas qhov ntsuas nws pib siv sijhawm ntau dua li kev ntsuas kev ntsuas ntawm phau ntawv vim tias lub tshuab multimeter siv sijhawm ntxiv los xaiv thiab tso saib qhov ntsuas qhov zoo tshaj plaws.
Kev ntsuas qhov ntsuas qhov ntsuas feem ntau yog xaiv thaum koj paub qhov kev ntsuas qhov xav tau. Nyob ntawm koj qhov ntsuas, koj tuaj yeem xaiv qhov ntau. Yog tias koj tsis paub qhov ntsuas thiab xav siv phau ntawv ntau yam, nws raug nquahu kom koj siv txoj kev "qib nqis". Pib nrog ntau qhov siab tshaj plaws thiab maj mam txo qhov ntau kom txog thaum lub saib mus txog qhov kev daws teeb meem zoo tshaj plaws.
Digital Multimeter Qhov tseeb
DMM qhov tseeb tsis zoo ib yam li kev saib xyuas kev daws teeb meem. Qhov tseeb yog hais txog qhov ua yuam kev siab tshaj plaws ntawm kev nyeem ntawv. Feem ntau hais lus, cov tuam txhab lag luam yuav sib piv qhov tseeb ntawm qhov hluav taws xob ncaj qha tam sim no (DCV) nrog rau lwm cov tuam txhab cov lus qhia tshwj xeeb, vim tias qhov tseeb ntawm DCV yog siab dua lwm cov haujlwm. Qhov ntsuas qhov tseeb tuaj yeem qhia tau tias yog ± ( feem pua ntawm kev nyeem ntawv ntxiv rau feem pua ntawm ntau)
