Yuav ua li cas siv ib tug multimeter los ntsuas tam sim no Yuav ua li cas siv ib tug multimeter los ntsuas tam sim no
Lub multimeter tuaj yeem ntsuas qhov tsis kam ntawm cov khoom ntsuas, AC thiab DC voltage, thiab ntsuas DC voltage. Qee cov multimeters kuj tseem tuaj yeem kuaj qhov tseem ceeb ntawm cov transistors thiab cov capacitance ntawm capacitor. Yog li cas lub multimeter ntsuas qhov tam sim no? Cia peb saib ntawm txoj kev ntsuas tam sim no nrog lub multimeter.
Thaum ntsuas qhov tam sim no, yog tias koj tsis paub tias tam sim no ntau npaum li cas, ua ntej kho lub multimeter mus rau lub iav tam sim no, tom qab ntawd maj mam kho nws los ntawm qhov siab mus rau qis, tawg txoj kab, thiab cov ncej zoo thiab qhov tsis zoo ntawm cov cwj mem ntsuas. txuas hauv kab. Nco ntsoov paub qhov txawv ntawm kev sib txuas lus nrog DC.
1. Xaiv qhov ntau
DC tam sim no ntau yam ntawm multimeter yog cim nrog peb ntau yam ntawm 1mA, 1omA, thiab 100mA. Xaiv qhov loj hauv Circuit Court, thiab yog tias koj tsis paub, xaiv qhov loj tshaj plaws.
2. Kev ntsuas ntsuas
(1) Txuas lub voj voog kom lub teeb-emitting diodes tuaj yeem ci li qub.
(2) Xaiv qhov ntau ntawm cov multimeter.
(3) Tshem tawm cov hlau lead ntawm qhov sib txuas ntawm lub potentiometer thiab qhov tsis zoo electrode ntawm LED, thiab LED yuav tawm mus.
(4) Txuas lub multimeter nyob rau hauv series mus rau lub breakpoint. Lub breakpoint txuas nrog lub zoo ncej ntawm lub hwj huam mov yuav tsum tau txuas nrog lub liab xeem lead, thiab lub breakpoint txuas nrog rau cov tsis zoo ncej ntawm lub hwj chim mov yuav tsum tau txuas nrog rau cov dub xeem lead. Lub diode yuav ci dua. Qhov ntsuas tus nqi taw qhia los ntawm tus pointer ntawm multimeter yog tus nqi tam sim no ntawm lub teeb-emitting diode.
(5) Nyeem cov nqi tam sim no dhau los ntawm LED.
