Yuav ua li cas yog ib tug multimeter?
Yuav ua li cas yog ib tug multimeter?

Video: Yuav ua li cas yog ib tug multimeter?

Video: Yuav ua li cas yog ib tug multimeter?
Video: Ib tug txiv tsev zoo coj li cas 2024, Plaub Hlis Ntuj
Anonim

Cov qhov tseeb ntawm kev ntsuas hluav taws xob txhais tau hais tias kaw tus nqi qhia yog rau tus nqi tseeb ntawm qhov ntsuas qhov ntsuas. Txawm li cas los xij, 10.0 volts ntsuas ntawm 100-V nplai ntawm tib yam voltmeter ntsuas tuaj yeem nyeem ntawm 7 V thiab 13 V, lossis ± 30% ntawm qhov kev nyeem ntawv tiag tiag, thaum lub ntsuas ntsuas yog technically inspecifications.

Ntxiv mus, dab tsi yog qhov tseeb ntawm digital multimeter?

Piv txwv li, ib qhov tseeb ntawm ± (2% + 2) txhais tau hais tias kev nyeem ntawv ntawm 100.0 V ntawm multimeter tuaj yeem yog los ntawm 97.8V rau 102.2 V. Kev siv a DMM nrog siab dua qhov tseeb tso cai rau ntau daim ntawv thov. Basic dc qhov tseeb ntawm Fluke handheld digital multimeters 0.5% mus rau 0.025%.

Ib yam li ntawd, suav hauv digital multimeter yog dab tsi? A 3.5 tus lej multimeter yuav tso saib tag nrho- digital nyeem ntawv uas muaj peb tus lej ntawm 0 txog 9, ntxiv rau 1 lossis 0 ib nrab tus lej; uas yog, kev nyeem ntawv xws li multimeter yog nyob rau hauv qhov ntau ntawm 0.001-1999.

Ntawm no, dab tsi yog qhov ntau ntawm qhov tseeb?

Qhov tseeb , Kev daws teeb meem thiab Ntau yam (txhais tau) Qhov tseeb yog lub peev xwm ntawm kev ntsuas tom qab qhov tseeb tus nqi ntawm qhov ntsuas tau. Kev daws teeb meem yog tus lej ntawm cov lej tseem ceeb (decimal qhov chaw) uas ntsuas qhov ntsuas tau ntseeg tau. Ntau yam yog tus nqi orexent tus nqi yuav ntsuas tau.

RDG txhais li cas hauv qhov tseeb?

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