Kev siv lub tshuab multimeter rau kev daws teeb meem
1. Thaum siv hluav taws xob, ntsuas cov ntsiab lus tseem ceeb lossis lub zog txuag hluav taws xob, thiab txiav txim seb lub Circuit Court puas zoo raws li qib voltage;
2. Thaum them nyiaj, ntsuas cov ntsiab lus tseem ceeb lossis txuag hluav taws xob tam sim no, thiab txiav txim seb lub Circuit Court puas zoo raws li qhov loj ntawm qhov tam sim no;
3. Thaum muaj hluav taws xob hluav taws xob, ntsuas qhov kev tiv thaiv ntawm Circuit Court thiab cov khoom siv los txiav txim siab seb lub Circuit Court puas zoo li qub (luv luv Circuit Court, qhib Circuit Court, thiab lwm yam).
Thaum kuaj xyuas hluav taws xob tsis raug cai, lub tshuab hluav taws xob feem ntau siv tsuas yog ob qhov chaw, ib qho yog qhov ntsuas hluav taws xob (xws li AC thiab DC voltage ranges) thiab lwm qhov yog ohms.
Yog tias cov khoom siv tsis ua haujlwm, koj thawj qhov kev xav yog seb qhov hluav taws xob ntawm cov khoom siv puas yog qhov qub. Koj yuav tsum siv qhov voltage ntau ntawm lub multimeter (xaiv AC voltage ntau lossis DC voltage ntau, nyob ntawm seb koj lub cuab yeej yog AC khoom lossis DC khoom) los ntsuas. Yog hais tias lub voj voog tswj los yog lub voj voog thib ob raug txiav, yog tias koj paub txog daim duab schematic, koj kuj yuav tsum siv qhov voltage ntau los ntsuas seb qhov voltage ntawm ib qho chaw twg yog qhov qub. Yog tias nws tau txiav txim siab tias qhov hluav taws xob ntawm qhov chaw yuav tsum tsis txhob muaj, nws nyob ntawd, thiab nws tsis nyob ntawd thaum nws yuav tsum muaj. , nws txhais tau hais tias muaj kev cuam tshuam lossis kev sib cuag tsis zoo nyob ntawd. Txhawm rau kom paub tseeb tias puas muaj teeb meem nyob rau ntawd, koj yuav tsum tau txiav lub hwj chim ntawm cov khoom siv nyob rau lub sijhawm no, thiab siv lub ohm ntau yam ntawm multimeter kom paub meej tias qhov kev sib txuas puas tiag tiag txhawm rau daws teeb meem. Hais lus ntxhib, nws tsuas yog nyob ntawm koj qhov kev paub txog cov khoom siv thiab kev sib sau ua ke ntawm kev ua haujlwm. Yog koj muaj lus nug, thov koj xav nug.
1. Yuav ua li cas ib tug multimeter sau tsis sib xws faults:
Siv lub multimeter's min / max / nruab nrab kaw hom, xaiv lub zog sib xws (AC voltage, DC voltage, tsis kam, AC tam sim no, DC tam sim no thiab zaus) raws li cov khoom ntsuas, thiab nco ntsoov txuas nws ua ntej qhib lub min / max. / nruab nrab muaj nuj nqi. Kuaj lub voj voog, txwv tsis pub qhov kev nyeem ntawv tsawg kawg nkaus yuav yog tus nqi ambient ua ntej qhov kev xeem coj txuas nrog. Qhov no yuav cuam tshuam rau kev tsom xam ntawm cov ntaub ntawv kaw tom qab lub sijhawm kaw tau dhau mus. Thaum lub Min/Search Max/Avg kaw hom tau qhib, lub multimeter yuav qhia qhov kev nyeem ntawv siab tshaj plaws ntawm cov zaub thiab yuav beep thaum kuaj pom tus nqi siab tshaj lossis yam tsawg kawg nkaus. Whining.
Qhov zoo ntawm qhov no yog tias thaum ua kom ntseeg tau tias digital multimeter yuav tsis raug cuam tshuam nrog thiab yuav tsis ua rau muaj kev nyab xeeb rau leej twg, koj tuaj yeem tawm hauv digital multimeter rau qhov ntsuas thiab tsom mus rau lwm yam haujlwm. Txhua lub sijhawm thaum lub voj voog kaw, koj tuaj yeem saib cov ntawv nyeem tau khaws tseg, lossis ncua sijhawm kaw hom yam tsis tas yuav rho tawm cov ntawv nyeem.
2. Yuav ua li cas ib tug multimeter tsis tu ncua cov ntaub ntawv tsis sib xws:
Qee qhov multimeters tsis tsuas yog muaj min / max / nruab nrab cov ntaub ntawv kaw lus, tab sis kuj tseem muab cov yam ntxwv no nrog rau lwm qhov tshwj xeeb hu ua AutoHOLD thiab lub cim xeeb loj dua los tsim Cov Txheej Txheem Logging. Gong Qing. Tsis siv neeg tswj fais fab tuaj yeem nkag siab thaum ntsuas lub teeb liab tsis ruaj khov thiab thaum nws rov qab ruaj khov dua. Siv qhov pib-tuav muaj nuj nqi los ua kom pib thiab nres ntawm min / max tus nqi sau ua haujlwm tso cai rau digital multimeter tsis txwv rau kev kuaj xyuas qhov ua txhaum uas tsim qhov tsawg kawg nkaus lossis siab kawg.
Yog hais tias lub multimeter muaj ib qho infrared RS232 interface, qhov txuas txuas ntxiv ua haujlwm yuav muaj zog dua, thiab nws tuaj yeem dhau los ua ib qho kev tshwm sim yooj yim los xa cov ntaub ntawv sau los ntawm multimeter mus rau lub computer. Siv cov khoos phis tawj, txhua qhov xwm txheej ruaj khov thiab tsis ruaj khov tuaj yeem txheeb xyuas kom meej. Tsis tsuas yog koj tuaj yeem saib qhov tsawg kawg nkaus thiab siab tshaj qhov tseem ceeb hauv txhua lub sijhawm ruaj khov thiab tsis ruaj khov, tab sis koj tuaj yeem saib lub sijhawm pib thiab xaus ntawm txhua lub sijhawm. Tsis tas li ntawd, tus nqi nruab nrab rau txhua lub sijhawm raug kaw. Nyob rau tib lub sijhawm, qhov hloov pauv ntawm qhov hluav taws xob lossis qhov tam sim no tuaj yeem tshawb pom dynamically.
3. Lub multimeter cim lub sijhawm kaw li cas:
Lub sij hawm thaum kuaj pom qhov tsawg kawg nkaus thiab qhov siab tshaj plaws yog cov ntaub ntawv muaj txiaj ntsig zoo rau kev txiav txim siab qhov ua rau tsis sib xws. Lub multimeter digital hauv Min/Max/Avg cov ntaubntawv povthawj siv hom tuaj yeem khaws lub sijhawm ntawm kev pib sau thiab txuag qhov tsawg kawg nkaus, qhov siab tshaj plaws, lossis tus nqi nruab nrab. Yog li ntawd, txhua qhov kev txuag tsawg kawg nkaus, qhov siab tshaj plaws thiab nruab nrab tus nqi muaj qhov sib thooj "lub sij hawm stamp".
Niaj hnub no, cov multimeters digital nrog cov khoom siv digital los yog cov haujlwm khaws cia kuj muaj tib lub strip kaw ua haujlwm los ntawm cov khoos phis tawj lossis lawv lub cim xeeb. Yog hais tias cov multimeter muaj ib min / max / nruab nrab cov ntaub ntawv hom muaj nuj nqi, zoo li ib daim kab xev recorder, cov multimeter digital yuav nyeem cov ntawv nyeem nyob rau hauv ib ntus. Tab sis tsis zoo li daim ntawv kaw lus uas txuag kev nyeem ntawv, kev nyeem ntawv yog piv rau qhov kev nyeem ntawv khaws tseg yav dhau los los txiav txim siab tias tus nqi siab dua qhov siab tshaj plaws yav dhau los lossis qis dua qhov tsawg kawg nkaus dhau los. Yog tias muaj, nyeem ntawv tshiab hloov. Tus nqi Ameslikas tuav nyob rau hauv lub siab los yog tsawg nyeem ntawv sau npe. Tom qab kaw rau ib lub sijhawm, koj tuaj yeem hu rau cov nqi sau npe no rau kev tso saib thiab saib qhov siab tshaj plaws thiab qhov tsawg kawg nkaus hauv lub sijhawm kaw.
