Sib piv qhov zoo thiab qhov tsis zoo ntawm Analog thiab Digital Multimeters
Ib qho digital multimeter yog ib qho kev ntsuas tam sim no Nws yuav siv sij hawm ib qho qauv txhua 0.3 vib nas this los tso saib cov txiaj ntsig ntsuas qee zaus cov txiaj ntsig ntawm txhua qhov piv txwv tsuas yog zoo ib yam Tsis zoo ib yam Qhov no tsis yooj yim rau kev nyeem cov txiaj ntsig raws li cov txheej txheem taw qhia.
Ib tug pointer multimeter feem ntau tsis muaj lub amplifier nyob rau hauv Yog li ntawd lub internal kuj kuj yog me me Piv txwv li, lub MF-10 qauv muaj ib tug DC voltage rhiab heev ntawm 100 kiloohms ib volt Qhov no yuav xam tau tias yog ib tug zoo nkauj tus DC voltage rhiab heev ntawm MF-500 qauv yog 20 kiloohms ib volt.
Cov multimeter digital siv lub tshuab hluav taws xob ua haujlwm hauv lub cev Lub zog sab hauv tuaj yeem ua kom loj heev Feem ntau ntawm 1M euros lossis ntau dua (piv txwv li tuaj yeem ua tiav siab dua) Qhov no ua rau muaj kev cuam tshuam rau qhov ntsuas hluav taws xob me me siab ntsuas qhov tseeb.
Pointer multimeters muaj qhov tsis kam sab hauv thiab feem ntau siv cov khoom sib cais los tsim cov shunt thiab voltage divider circuits Yog li cov yam ntxwv zaus tsis sib xws (piv rau cov digital) Cov yam ntxwv zaus ntawm tus pointer multimeter kuj zoo dua.
Tus pointer hom multimeter muaj ib qho yooj yim sab hauv cov qauv, yog li tus nqi kuj tsis tshua muaj tsawg functionality Ib qho yooj yim kom muaj zog overcurrent thiab overvoltage muaj peev xwm.
Digital multimeter siv ntau yam oscillations thiab amplifiers internally faib Kev tiv thaiv Circuit Court muaj ntau yam dej num, xws li
Raws li ntsuas qhov kub thiab txias Ntau zaus (hauv qhov qis dua) Capacitors, inductors lossis ua lub teeb liab generator, thiab lwm yam
Vim yog kev siv cov kev sib xyaw ua ke hauv cov qauv sab hauv, lub peev xwm dhau qhov tsis zoo (Txawm li cas los xij, qee qhov tam sim no muaj kev hloov pauv tsis siv neeg, kev tiv thaiv tsis siv neeg, thiab lwm yam, tab sis kev siv ntau dua) Tom qab kev puas tsuaj, feem ntau tsis yooj yim kho.
Cov zis hluav taws xob ntawm lub tshuab hluav taws xob digital yog qhov tsawg (feem ntau tsis tshaj 1 volt) Nws tsis yooj yim rau kev sim qee yam khoom siv hluav taws xob tshwj xeeb, xws li thyristors, lub teeb -emitting diodes, thiab lwm yam.
Cov zis voltage ntawm tus pointer multimeter yog qhov siab (suav nrog 10.5 volts, 12 volts, thiab lwm yam)
Cov tam sim no kuj siab (xws li MF-500 * 1 nrog qhov siab tshaj plaws ntawm 100mA hauv European ntau), uas ua rau nws yooj yim rau kev sim thyristors, lub teeb-emitting diodes, thiab lwm yam.
