Dab tsi ntawm multimeter yog qhov zoo tshaj plaws rau tus pib hluav taws xob yuav?
Multimeter yog ib qho ntawm cov cuab yeej tsim nyog rau cov neeg ua haujlwm hluav taws xob lossis cov neeg nyiam siv hluav taws xob. Kev xaiv ntawm multimeter tseem nyob ntawm qhov xwm txheej tiag tiag. Txhua hom muaj cov haujlwm ntawm multimeters. Nws yog qhov zoo tshaj los xaiv qhov uas haum rau koj.
Piv txwv li, cov phooj ywg hluav taws xob uas siv ntau lub ntsuas hluav taws xob feem ntau siv AC thiab DC qhov hluav taws xob, kev teeb tsa kev tiv thaiv, kev teeb tsa ntawm lub suab nrov, thiab qhov chaw muaj peev xwm. Tsuav lawv yog qhov teeb tsa hluav taws xob, qhov teeb tsa tsis kam, qhov chaw muaj peev xwm, thiab qhov ntau txaus.
Yog hais tias nws yog siv nyob rau hauv hluav taws xob circuits, nyob rau hauv tas li ntawd mus ua tau raws li lub yav dhau los tej yam kev mob, nws kuj yuav tsum muaj ib tug peb-theem raj ntsuas txoj hauj lwm thiab ib tug kub ntsuas qhov chaw. Tshwj xeeb, lub ntsuas ntsuas lub peev xwm yuav tsum ua tau raws li qhov xav tau ntawm kev ntsuas. Ntau ntawm cov capacitors ntawm lub rooj tsav xwm Circuit Court muaj peev xwm ntawm 1 picofarad. Yog li ntawd, qhov kev ntsuas capacitance ntau ntawm multimeter yuav tsum muaj peev xwm ntsuas cov khoom uas muaj peev xwm me me ntawm cov khoom siv hluav taws xob. Txhawm rau ntsuas capacitance, qee qhov multimeters yuav tsum ntsaws cov pins ntawm lub capacitor rau hauv qhov ntsuas qhov ntsuas qhov chaw nres nkoj ntawm lub ntsuas ntsuas. Qee cov multimeters tsis tas yuav tsum tau ntsaws rau hauv lub ntsuas ntsuas. Koj tsuas yog yuav tsum tau kho lub iav mus rau qhov ntsuas qhov ntsuas qhov ntsuas thiab siv ob txoj kev xeem. Direct ntsuas lub capacitance ntawm lub capacitor.
Multimeters muaj phau ntawv ntau yam thiab tsis siv neeg ntau yam, thiab tseem muaj phau ntawv ntau yam thiab tsis siv neeg ntau yam uas sib xws. Qhov zoo ntawm kev siv ntau yam tsis siv neeg yog tias nws tuaj yeem zam qhov kub hnyiab ntawm multimeter los ntawm kev teeb tsa qhov ntsuas tsis raug. Tau kawg, nws tus nqi siab dua li ntawm phau ntawv ntau yam multimeters. Siab. Nyob rau hauv luv luv, muaj ntau hom thiab style ntawm multimeters. Nws yog qhov zoo tshaj los xaiv qhov uas haum rau koj.
Yuav ua li cas txheeb xyuas luv luv Circuit Court nrog multimeter
Lub luv luv Circuit Court txhais tau hais tias ob lub xov hlau uas yuav tsum tsis txhob txuas yog txuas nrog. Ib qho luv luv Circuit Court yog nruab nrab ntawm theem thiab nruab nrab ntawm theem thiab hauv av. Ib qho yog theem-rau-theem luv luv Circuit Court thiab lwm yam yog av luv luv Circuit Court; ib qho qhib Circuit Court yog tias ib lub xov hlau uas yuav tsum tau txuas tsis tau txuas nrog. Grounding yog txheeb ze rau hauv av, thiab grounding muab faib rau hauv av tuag. Qhov loj dua qhov kev tiv thaiv ntawm theem thiab hauv av, qhov zoo dua. Ib qho kev tiv thaiv me me yog hu ua to.
Thaum ntsuas nrog ib tug multimeter, qhov loj dua cov theem-rau-theem kuj, qhov zoo dua. Ib qho kev tiv thaiv me me ntawm theem yog hu ua theem-rau-theem to, thiab xoom tsis kam yog hu ua theem-rau-theem luv luv Circuit Court.
Siv ib tug multimeter los ntsuas ob qhov kawg ntawm ib tug hlau. Qhov tsis kam yog xoom. Cov hlau no txuas nrog. Qhov tsis kam ntawm infinite ∞ yog qhov qhib Circuit Court. Qee lub sij hawm qhov kev tawm tsam yog xoom thiab qee zaum tsis yog, qhia tias txoj kab zoo sib xws los yog txiav tawm.
Muab ib lub xaim rau hauv av, nrog rau ob qho kawg coj kom tsis txhob kov hauv av. Txuas ib kawg ntawm qhov kev xeem coj mus rau kab thiab lwm qhov rau lub ntiaj teb. Qhov loj dua qhov tsis kam, qhov zoo dua, qhia tias muaj txiaj ntsig zoo sib xws. Ib qho kev tiv thaiv me me qhia txog kev xau thiab kev rwb thaiv tsev tsis zoo. Feem ntau, nws tsis tsawg dua 0.5 megohm. Lub xeev stipulates 1V1 ohm. Cov hlau uas muaj kev tiv thaiv qis dua qhov no yuav tsum tau muab pov tseg.
