Digital Multimeter Ntsuas ntawm Voltage theem thiab theem tam sim no
Digital multimeter ntsuas cov ntaub ntawv voltage
1, DC voltage ntsuas, xws li roj teeb, Walkman fais fab mov. Ua ntej tshaj plaws, tus cwj mem dub rau hauv "com" qhov, tus cwj mem liab rau hauv "V Ω". Xaiv lub pob qhov rooj rau ntau qhov loj dua li qhov kwv yees (Ceeb toom: qhov tseem ceeb ntawm lub xov tooj yog qhov siab tshaj plaws, "V-" tias DC voltage iav, "V ~" tias AC voltage iav, "A" yog qhov tam sim no iav), ces txuas lub ntsuas mem rau ob qho kawg ntawm lub hwj huam mov lossis roj teeb; khaws kev sib cuag ruaj khov. Tus nqi tuaj yeem nyeem ncaj qha los ntawm cov zaub, yog tias nws pom tias yog "1.", nws qhia tau tias qhov ntau me me dhau lawm, tom qab ntawd nws yog qhov yuav tsum tau nce qhov ntau thiab tom qab ntawd ntsuas cov khoom lag luam. Yog hais tias tus nqi ntawm sab laug ntawm tus "-", nws qhia tau hais tias lub polarity ntawm tus cwj mem thiab lub hwj chim tiag tiag polarity yog thim rov qab, thaum tus cwj mem liab txuas nrog tus ncej tsis zoo.
2, AC voltage ntsuas. Pen jack thiab DC voltage ntsuas, tab sis lub pob qhov rooj yuav tsum tau ua si rau AC cov ntaub ntawv "V ~" ntawm qhov yuav tsum tau ua. AC voltage tsis muaj cov ntsiab lus zoo thiab tsis zoo, tib txoj kev ntsuas nrog rau yav dhau los. Txawm hais tias ntsuas AC lossis DC voltage, xyuam xim rau kev nyab xeeb ntawm tus kheej, tsis txhob kov cov hlau ntawm tus cwj mem nrog koj txhais tes.
Txoj kev ntsuas cov ntaub ntawv tam sim no ntawm digital multimeter
1, DC tam sim no ntsuas. Ntxig tus cwj mem dub rau hauv "COM" qhov. Yog tias qhov ntsuas tam sim no ntau dua 200mA, tus cwj mem liab yuav tsum muab tso rau hauv "10A" jack thiab lub pob qhov rooj rau DC "10A" iav; yog tias qhov ntsuas tam sim no tsawg dua 200mA, tus cwj mem liab yuav tsum muab tso rau hauv "200mA" jack thiab lub pob qhov rooj rau DC "10A" iav; Yog tias qhov ntsuas tam sim no tsawg dua 200mA, tus cwj mem liab yuav tsum tau muab tso rau hauv "200mA" jack. 200mA jack, lub pob qhov rooj rau DC 200mA nyob rau hauv qhov tsim nyog, tom qab kho, koj tuaj yeem ntsuas, hlua lub multimeter rau hauv Circuit Court, ua kom ruaj khov, koj tuaj yeem nyeem tau. Yog tias cov zaub yog "1." qhov ntau; yog tias tus nqi ntawm sab laug ntawm "-", nws qhia tau hais tias tam sim no los ntawm tus cwj mem dub rau hauv multimeter.
