Txheej txheem cej luam ntawm cov qauv ntawm multimeter
Lub multimeter muaj peb qhov tseem ceeb: lub taub hau meter, ntsuas Circuit Court, thiab hloov pauv hloov. Multimeter yog cov cuab yeej yooj yim tshaj plaws hauv kev ntsuas hluav taws xob thiab siv dav siv ntsuas ntsuas. Multimeter, tseem hu ua multimeter, multimeter (A, V, Ω, tseem hu ua tam sim no, voltage, thiab tsis kam), multimeter, multimeter, thiab multimeter. Multimeter muab faib ua pointer multimeters thiab digital multimeters. Tseem muaj oscilloscope muaj nuj nqi oscilloscope multimeter, uas yog ib tug multifunctional thiab ntau yam ntsuas ntsuas. Ib qho multimeter tuaj yeem ntsuas DC tam sim no, DC voltage, AC voltage, tsis kam, thiab suab qib. Qee qhov tseem tuaj yeem ntsuas AC tam sim no, capacitance, inductance, qhov kub thiab txias, thiab qee qhov ntawm cov khoom siv hluav taws xob (diodes, transistors). Digital multimeters tau dhau los ua qhov tseem ceeb thiab tau hloov pauv cov cuab yeej analog. Piv nrog rau cov cuab yeej analog, cov cuab yeej digital muaj qhov rhiab heev, raug, pom tseeb, muaj peev xwm tshaj tawm, muaj peev xwm nqa tau yooj yim, thiab yooj yim dua thiab siv yooj yim.
Ib tug pointer multimeter feem ntau muaj 4 mus rau 5 teev, suav nrog ntsuas ntsuas, ntsuas qhov ntsuas hluav taws xob, ntsuas tam sim no, ntsuas ntsuas decibel. Tsis tas li ntawd, muaj qhov tshwj xeeb ntsuas rau AC 1OV, uas nyeem ncaj qha hauv 1OV ntau yam. Qhov hluav taws xob ntau ntxiv tau muab faib ua AC thiab DC ntsuas, thiab qee qhov ntsuas kuj muaj AC tam sim no. Piv txwv li, DC voltage ntau (MF-10 hom meter) muaj 1V2.5V10 ∨ 50 ∨ 100V250V500V, thiab DC voltage range scale muaj cov lej los ntawm O rau 5 O. Thaum qhov sib npaug sib npaug hloov mus rau 50V, nws nyeem ncaj qha. Thaum qhov hloov pauv tau teem rau 1V, tus nqi qhia tau muab faib los ntawm 0.02 raws li tus nqi tiag tiag, thiab thaum nws yog 10V, nws tau muab faib los ntawm 0.2100V. Thaum muab faib ua 2, qhov ntsuas tag nrho yog 1V, 10V, thiab 100V. Thaum qhov sib npaug sib npaug hloov mus rau 2.5V thiab 250, qhov txiaj ntsig tiag tiag tau txais los ntawm kev muab cov txiaj ntsig qhia los ntawm 0.05 thiab 5, feem. Teem qhov sib npaug hloov mus rau 500 thiab sib npaug los ntawm 10. Tib yam siv rau AC voltage ntau.
