Hom DMM twg tuaj yeem ntsuas qhov tam sim no thaum clamped ib ncig ntawm tus neeg xyuas pib?
Hom DMM twg tuaj yeem ntsuas qhov tam sim no thaum clamped ib ncig ntawm tus neeg xyuas pib?

Video: Hom DMM twg tuaj yeem ntsuas qhov tam sim no thaum clamped ib ncig ntawm tus neeg xyuas pib?

Video: Hom DMM twg tuaj yeem ntsuas qhov tam sim no thaum clamped ib ncig ntawm tus neeg xyuas pib?
Video: BTT Octopus - конфигурация вентилятора с несколькими напряжениями. 2024, Kaum ib hlis
Anonim

digital multimeter

Hais txog qhov no, hom ammeter twg tuaj yeem ntsuas tam sim no thaum clamped ib ncig ntawm tus neeg xyuas pib?

Ib qho hluav taws xob ntsuas nrog ib qho AC tam sim no clamp yog lub npe hu ua a clamp meter, clamp - rau ammeter , tong tester, los yog colloquially li amp clamp . A clamp meter ntsuas vector sum ntawm cov dej ntws nyob rau hauv tag nrho cov tus thawj coj dhau los ntawm kev sojntsuam, uas nyob ntawm theem kev sib raug zoo ntawm cov dej ntws.

Ib yam li ntawd, thaum siv DMM Cov hlau lead dub feem ntau mus rau qhov chaw nres nkoj twg? Kauj Ruam 3: Hu rau Circuit Court Multimeters tuaj nrog ob xim xeem coj uas txuas rau chaw nres nkoj hauv lub 'meter'. Cov coj muaj hluav taws xob insulated tes nrog hlau tswv yim, hu ua "probes". Cov dub xeem coj yog ib txwm ntsaws rau hauv dub chaw nres nkoj ntawm lub 'meter', sau "COM".

Kuj kom paub yog, hom DMM twg tuaj yeem ntsuas tam sim no?

A multimeter los yog multitester, tseem hu ua VOM (volt-ohm-milliammeter), yog ib qho hluav taws xob ntsuas instrument uas combines ob peb ntsuas ua haujlwm nyob rau hauv ib chav. Ib yam multimeter tuaj yeem ntsuas voltage, tam sim no , thiab tsis kam . Analog multimeters siv lub microammeter nrog lub pointer txav rau tso saib nyeem.

Lub clamp meter puas tuaj yeem nyeem DC amps?

Txhawm rau ua qhov kev xeem no, tau txais koj tus kheej a clamp meter uas tuaj yeem nyeem DC amps , feem ntau clamp meters yog tsim rau ntsuas tsuas yog alternating tam sim no, tsuas yog ob peb ntsuas ncaj qha tam sim no. Qhov ncaj qha tam sim no clamp meters muaj txiaj ntsig, tsis yog rau cov neeg nyiam DIY nkaus xwb tab sis kuj tseem siv rau kev lag luam hluav taws xob thiab roj teeb.

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