Multimeter AC iav rau qhov ntsuas hluav taws xob yog series lossis kev sib txuas ua ke
Multimeter voltage ntsuas yog nyob rau hauv parallel, qhov ntsuas ntawm tam sim no nyob rau hauv series, ob qho tib si AC thiab DC yog li ntawd, lub multimeter voltage iav sab hauv kuj nyob ze rau infinity, yog li yog hais tias koj xaiv siv lub voltage iav los txuas lub multimeter nyob rau hauv series nyob rau hauv lub Circuit Court. nyob rau hauv qhov tseeb, lub Circuit Court tsis yog tam sim no los yog hais tias tam sim no yog tshwj xeeb tshaj yog me me, thiaj li hais tias qhov ntsuas ntawm cov ntaub ntawv dab tsi, rau tam sim no iav sab hauv kuj nyob ze rau 0, yog li nws tsis ntau dhau los cuam tshuam rau sab nraum qab. lub series hauv Circuit Court! Hluav taws xob ua haujlwm.
Tab sis yog tias koj xaiv siv cov ntaub ntawv tsis raug tam sim no txuas nrog nyob rau hauv tib lub voj voog, xws li cov lus nug tseem ceeb hauv qhov no, yog tias cov ntaub ntawv hluav taws xob mus rau hauv cov ntaub ntawv tam sim no txuas nrog rau qhov sib npaug ntawm ob qho kawg ntawm 220V fais fab mov, nws zoo heev. txaus ntshai, ib qho luv luv Circuit Court, nws muaj peev xwm hlawv lub multimeter los yog cov kab raug hlawv.
Kev ntsuas cov ntaub ntawv hluav taws xob kuj tseem muaj kev nyab xeeb, txawm tias cov kev sib txuas series hauv Circuit Court yuav tsis tshwm sim zoo li cov ntaub ntawv tam sim no txuas nrog qhov tsis zoo ntawm qhov xwm txheej raug mob ntau heev, peb siv multimeter tau sim ntsuas tawm qee cov ntaub ntawv, yog li ua ntej ntsuas yuav tsum xav. hais txog yuav ntsuas li cas.
Txawm hais tias series los yog thaum uas tig mus ua ntej kom paub qhov multimeter los ntsuas lub hauv paus ntsiab lus ntawm AC voltage, lub taub hau multimeter tsuas tuaj yeem dhau DC voltage, uas yog, tsuas yog ntsuas DC voltage, ces yog vim li cas thiaj ntsuas AC voltage, uas yog vim lub multimeter sab hauv. rectifier Circuit Court, siv lub diode lub unidirectional conductivity yuav yog AC teeb liab mus rau hauv ib tug DC teeb liab, yog li koj yuav ntsuas AC voltage, uas yog hais tias, lub multimeter AC cov ntaub ntawv ntsuas tsev 220V voltage, yog ib tug parallel circuit.
AC voltage ntsuas txoj cai: lub multimeter los ntsuas AC voltage, vim hais tias lub multimeter muaj ib nrab-yoj rectifier Circuit Court, thaum ntsuas AC voltage, AC voltage yuav rectified rau DC voltage thiab ces dhau ntawm ob lub taub hau, thiab thaum kawg raws li cov qhov loj ntawm DC los ntsuas AC voltage, thiab lub multimeter qhia tau hais tias AC voltage tsis yog tus nqi tam sim no ntawm kev hloov tam sim no, tab sis ib lub sij hawm ntawm qhov nruab nrab, uas txhais tau hais tias tus nqi zoo. Uas yog hais, tus nqi zoo. Nyob rau hauv qhov tseeb, lub internal multimeter tsis yog tsuas yog yooj yim, tab sis kuj los ntawm kev ua hauj lwm amplifier kom amplify lub teeb liab, tom qab sampling analogue-rau-digital conversion, qhov kawg tshwm sim yog tso tawm nyob rau hauv lub screen.
Kev ntsuas hluav taws xob hauv tsev 220V, tsuas yog xaiv qhov zoo AC ntau yam, cov lus piav qhia hauv qab no Fluke digital multimeter, cov cwj mem dub thiab liab tso rau hauv qhov tsim nyog, ncaj qha hla cov hluav taws xob xoom hluav taws xob, tsis tas yuav cais qhov twg yog cov kab hluav taws xob uas yog tus xoom kab, koj tuaj yeem nyeem tawm qhov hluav taws xob ncaj qha!
