Hnub Ci Zog Inverter 48v 96v

TD series hnub ci zog inverter 48v 96v

AC voltage ntsuas

Thaum ntsuas qhov hluav taws xob AC, lub voj voog tsim ib qho AC voltmeter los ntawm kev hloov qhov ntsuas qhov ntsuas, raws li pom hauv daim duab 4. Lub AC voltage thaiv thiab DC voltage thaiv muaj qhov sib faib voltage. Qhov txawv yog tias thaum ntsuas AC voltage, AC / DC converter yog ntxiv ntawm qhov input davhlau ya nyob twg IN ntawm lub ntsuas hluav taws xob thiab qhov voltage divider. Qhov hluav taws xob yog hloov los ntawm DC voltage thiab xa mus rau digital meter rau zaub. Lub AC / DC converter kuj tuaj yeem kho qhov siab tshaj plaws-rau-peak tus nqi ntawm AC voltage rau RMS tus nqi, yog li kev nyeem ntawv tso rau ntawm LCD zaub yog RMS tus nqi ntawm qhov ntsuas AC voltage.

Ohmmeter

Thaum ntsuas qhov tsis kam, los ntawm kev ntsuas qhov hloov pauv ntawm qhov hloov pauv, lub voj voog tsim ib qho ohmmeter, raws li qhia hauv daim duab 6. Tus qauv tsis kam R0 thiab qhov ntsuas tsis kam RX ua ib qho kev tawm tsam / voltage converter, thiab tus qauv voltage. U tau ntxiv rau ob qhov kev tawm tsam, thiab qee qhov kev poob qis yog tsim los ntawm R0 thiab Rx raws li kev faib ua feem. Txij li thaum tus nqi tsis kam ntawm tus qauv resistor R0 paub, tus nqi tsis kam ntawm qhov ntsuas resistor RX tuaj yeem ntsuas tsis ncaj los ntawm kev ntsuas qhov ntsuas hluav taws xob poob UX ntawm RX. Raws li cov yam ntxwv ntawm kev sib koom ua ke IC 7106 hauv lub taub hau digital meter, thaum RX=R0, cov zaub nyeem yog 1000. Yog hais tias tus nqi ntawm R0 yog tsim nyog, lub LCD zaub tuaj yeem ncaj qha qhia tus nqi ntawm qhov ntsuas qhov ntsuas. Qhov ntau tuaj yeem hloov pauv los ntawm kev hloov pauv tus nqi ntawm tus qauv resistor R0.

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