Yuav ua li cas siv multimeter los pab koj nrhiav qhov teeb meem
1. Nyob rau hauv cov xwm txheej nyob, ntsuas cov ntsiab lus tseem ceeb lossis lub zog txuag hluav taws xob, thiab txiav txim siab seb qhov hluav taws xob zoo li cas raws li qhov voltage siab lossis qis;
2. Nyob rau hauv cov xwm txheej nyob, ntsuas cov ntsiab lus tseem ceeb lossis lub zog txuag hluav taws xob, thiab txiav txim siab 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 lub Circuit Court thiab cov khoom siv los txiav txim siab seb lub Circuit Court puas ua haujlwm zoo (luv luv Circuit Court, qhib Circuit Court, thiab lwm yam).
Ib qho multimeter feem ntau tsuas yog siv ob theem los kuaj xyuas qhov teeb meem hluav taws xob, ib qho yog qib voltage (xws li AC thiab DC voltage theem) thiab lwm qhov yog ohms.
Yog tias lub cuab yeej tsis ua haujlwm, thawj qhov uas los rau hauv lub siab yog seb qhov hluav taws xob ntawm lub cuab yeej yog qhov qub. Koj yuav tsum siv qhov voltage ntau ntawm multimeter (xaiv AC voltage ntau lossis DC voltage ntau, nyob ntawm seb koj lub cuab yeej yog AC lossis DC) los ntsuas. Yog hais tias lub Circuit Court tswj los yog theem nrab Circuit Court yog disconnected, txawm yog hais tias koj paub txog cov schematic, koj yuav tsum tau siv ib tug voltage range los ntsuas seb qhov voltage ntawm ib tug tej qhov chaw yog li qub. Yog tias nws tau txiav txim siab tias qhov hluav taws xob ntawm qhov chaw ntawd yuav tsum tsis yog tam sim no tab sis tam sim no, thiab qhov twg yuav tsum tam sim no tab sis tsis tam sim no, nws qhia tau tias muaj kev cuam tshuam lossis kev sib cuag tsis zoo ntawm qhov chaw ntawd. Txhawm rau txiav txim siab ntau dua seb puas muaj teeb meem hauv cheeb tsam ntawd, koj kuj yuav tsum tau txiav lub hwj chim ntawm lub cuab yeej. Qhov ntau ntawm ohm ntawm ib lub multimeter yuav tsum tau siv los txiav txim siab yog tias cov xaim raug txiav tawm ntawm qhov chaw ntawd, txhawm rau daws teeb meem. Hais lus ntxhib, nws tsuas yog nyob ntawm koj qhov kev paub txog cov khoom siv thiab kev ua haujlwm ntawm kev ua haujlwm. Yog tias koj muaj lus nug ntxiv, thov koj xav nug.
Yuav ua li cas sau cov kev tsis sib xws nrog lub multimeter:
Siv qhov tsawg kawg nkaus / siab tshaj / nruab nrab tus nqi sau hom ntawm multimeter, xaiv qhov kev ua haujlwm (AC voltage, DC voltage, tsis kam, AC tam sim no, DC tam sim no, thiab zaus) raws li cov khoom ntsuas, thiab xyuas kom meej tias qhov ntsuas hluav taws xob txuas nrog. ua ntej qhib qhov tsawg kawg nkaus / siab tshaj / nruab nrab tus nqi muaj nuj nqi. Txwv tsis pub, qhov tsawg kawg nkaus tus nqi nyeem ntawv yuav ib txwm yog tus nqi ib puag ncig ua ntej cov kab xeem txuas nrog. Qhov no yuav cuam tshuam rau kev tsom xam ntawm cov ntaub ntawv kaw tom qab qhov kawg ntawm lub sijhawm kaw. Qhov tsawg kawg nkaus / tshawb nrhiav qhov siab tshaj plaws / nruab nrab kaw hom yuav qhib, thiab qhov kev nyeem ntawv siab tshaj plaws yuav raug qhia rau ntawm lub vijtsam multimeter. Thaum kuaj pom qhov siab tshaj plaws lossis qhov tsawg kawg nkaus, lub suab nrov yuav raug tso tawm.
Qhov kom zoo dua ntawm qhov no yog tias thaum ua kom ntseeg tau tias digital multimeter tsis cuam tshuam nrog thiab tsis ua rau muaj kev nyab xeeb rau tib neeg, lub tshuab digital multimeter tuaj yeem tso rau hauv qhov chaw rau kev ntsuas thiab tsom mus rau lwm yam haujlwm. Txhua lub sijhawm thaum lub voj voog kaw, koj tuaj yeem saib cov ntawv nyeem tau txais kev cawmdim lossis nres lub kaw lus yam tsis tau rho tawm cov ntawv nyeem.
Yuav ua li cas tsis tu ncua kaw qhov tsis sib xws nrog multimeter:
Qee qhov multimeters tsis tsuas yog muaj lub luag haujlwm ntawm kev kaw qhov tsawg kawg nkaus / siab tshaj / nruab nrab qhov tseem ceeb, tab sis kuj tseem muab cov haujlwm no nrog lwm txoj haujlwm hu ua AutoHOLD thiab lub cim xeeb loj dua los txhim kho Event Logging muaj nuj nqi. Kev ua haujlwm tsis siv neeg tuaj yeem nkag siab thaum ntsuas lub teeb liab tsis ruaj khov thiab thaum nws ruaj khov dua. Los ntawm kev siv lub tshuab tuav tsis siv neeg los ua kom pib thiab nres ntawm qhov tsawg kawg nkaus / qhov siab tshaj qhov teev cov nuj nqis, cov multimeter digital tsis txwv rau kev kuaj xyuas qhov ua txhaum uas tsim qhov tsawg kawg nkaus lossis qhov siab tshaj plaws.
Yog hais tias lub multimeter muaj ib qho infrared RS232 interface, qhov txuas txuas ntxiv ua haujlwm yuav muaj zog dua thiab tuaj yeem dhau los ua ib qho kev tshwm sim yooj yim, xa cov ntaub ntawv sau los ntawm multimeter mus rau lub computer. Los ntawm kev siv cov khoos phis tawj, cov ncauj lus kom ntxaws tuaj yeem ua tiav ntawm txhua qhov xwm txheej ruaj khov thiab tsis ruaj khov. Koj tuaj yeem tsis tsuas saib qhov tsawg kawg nkaus thiab qhov siab tshaj plaws nyob rau hauv txhua lub voj voog ruaj khov thiab tsis ruaj khov, tab sis kuj yog lub sijhawm pib thiab xaus ntawm txhua lub voj voog. Tsis tas li ntawd, sau tus nqi nruab nrab rau txhua lub voj voog. Nyob rau tib lub sijhawm, nws tuaj yeem tshawb xyuas qhov sib txawv ntawm qhov voltage lossis tam sim no hloov pauv.
3. Yuav ua li cas khij lub sijhawm kaw nrog lub multimeter:
Lub sijhawm siv los txheeb xyuas qhov tsawg kawg nkaus thiab qhov siab tshaj plaws yog cov ntaub ntawv tseem ceeb heev rau kev txiav txim siab qhov ua rau muaj qhov tsis sib xws. Cov multimeter digital tuaj yeem khaws lub sijhawm txij li pib sau cia kom txuag tau qhov tsawg kawg nkaus, qhov siab tshaj plaws, lossis qhov nruab nrab ntawm qhov tsawg kawg nkaus / siab tshaj / nruab nrab kaw hom. Yog li ntawd, txhua qhov kev txuag tsawg kawg nkaus, qhov siab tshaj plaws, thiab tus nqi nruab nrab muaj qhov sib thooj "lub sij hawm stamp".
Niaj hnub no, digital multimeters nrog digital tau los lossis muaj peev xwm khaws cia kuj muaj tib lub strip kaw ua haujlwm los ntawm cov khoos phis tawj lossis lawv lub cim xeeb. Yog hais tias ib tug digital multimeter muaj qhov tsawg kawg nkaus / siab tshaj / nruab nrab sau hom xub, zoo li daim kab xev kaw, cov multimeter digital kuj tseem nyeem cov ntawv nyeem ntawm qee lub sijhawm. Tab sis tsis zoo li cov ntawv kaw lus uas khaws cov ntawv nyeem ib tus neeg, muab piv rau cov ntawv nyeem nrog cov ntawv nyeem uas tau khaws tseg yav dhau los los txiav txim siab tias tus nqi siab dua tus nqi siab tshaj yav dhau los lossis qis dua tus nqi qis tshaj yav dhau los. Yog tias muaj, qhov kev nyeem ntawv tshiab yuav hloov tus nqi qub uas khaws cia rau hauv cov ntawv sau siab lossis qis nyeem ntawv. Tom qab lub sijhawm kaw, koj tuaj yeem khaws cov txiaj ntsig ntawm cov ntawv sau npe no rau kev tso saib, thiab saib qhov siab tshaj plaws thiab qhov tsawg kawg nkaus thaum lub sijhawm kaw.
