Ukuthola i-Multimeter enhle kakhulu yamaphrojekthi akho: analog vs digital multimeter
2024-06-24 2464

Uma kukhulunywa ngokulinganisa amanani kagesi, ukukhetha phakathi kwama-analog ne-digital multimeter kungenza umehluko omkhulu.Uhlobo ngalunye lunikeza amandla ahlukile nezinzuzo ezifanele imisebenzi ehlukene.Ngokuqonda umehluko ngamunye, ungakhetha i-multimeter efanele ngezidingo zakho, uqinisekise izilinganiso ezinembile nezisebenzayo ngaso sonke isikhathi.Lo mbhalo uhlola izici, ukusetshenziswa, nezinzuzo zazo zombili izimungulu ze-analog nezedijithali ukukusiza wenze isinqumo esinolwazi.

Namabhuku

Umdwebo 1: Umehluko phakathi kwe-multimeter yedijithali ne-analog multimeter

Yini i-analog multimeter?

I-Analog Multimeters ngamathuluzi aguquguqukayo wokulinganisa amanani kagesi anjenge-voltage, yamanje, ukumelana, imvamisa, namandla wesiginali.Badlula ekuhlinzekeni okuhlukahlukene kokufundwayo, kubenza babhekane nezinhlelo zokusebenza eziqeqeshiwe ne-DIY.Inzuzo eyodwa ebalulekile ukufinyeleleka kwabo, ikakhulukazi kumamodeli ashintshiwe avunyiwe avumela abasebenzisi ukuthi bakhethe ngesandla ibanga lokulinganisa lokunemba okungcono.I-Analog Multimeters isebenza ngokuhambisa inaliti ngaphesheya kwesilinganiso, indlela efuna ukunemba kusuka kumsebenzisi.Ukumelana okuphansi kanye nokuzwela okuphezulu kwama-analog multimeters, ikakhulukazi ezikalini eziphansi, kusho ukuthi ngisho nokunyakaza okuncane noma ukuguquguquka kungathinta isikhundla senaliti, okuholela emaphutheni angenzeka kahle.Ukufundwa okunembile, abasebenzisi kumele babe nezandla eziqinile, umugqa ocacile wokubona ukuze ugweme amaphutha e-parallax, nokuqonda okuqinile kokungabonakali kokusebenza kwedivayisi.

Iyini i-digital multimeter?

I-multimeter yedijithali iyithuluzi eliyinkimbinkimbi lokulinganisa amapharamitha ahlukahlukene kagesi, kanye nesici salo esiyinhloko esihlukanisayo esivela kwi-analog multimeter yisibonisi saso sedijithali.Ngokungafani namamodeli we-analog asebenzisa inaliti ukukhombisa ukufundwa, izilinganiso ze-multimeters ze-multimeters ezibonisa amadijithi acacile kwi-LED noma ye-LCD Screens, okuthuthukisa kakhulu ukunemba kokulinganisa.Lokhu kufundwa kwedijithali kuqeda ukuqagela, okwenza ama-multimeter edijithali alungele ukuxilongwa kukagesi okuqondile.Ukusebenza kuhlanganisa ukukhetha uhlobo lokulinganisa (Voltage, Amanje, ukumelana) ekudayisweni kwe-rotary, ukuqinisekisa ukuthi kungenzeka ukuthi ama-Consses axhunywe kahle kwisekethe, futhi afunde inani eliqondile esikrinini.I-Digital Multimenters ngokuvamile inokufakwa okuphezulu kokuvikelwa, ngaku-1 megaohm (mω) kuya ku-10 megaohms (mω).Leli qiniso lisiza ukunciphisa ukulayishwa kwesekethe futhi kuqinisekise izilinganiso eziqondile ze-voltage.Izici ezingeziwe ezifana ne-auto-ranghing ngokuzenzakalelayo zikhetha ububanzi obufanele bokulinganisa, ukwenza lula inqubo bese kunciphisa ithuba lephutha lomsebenzisi.

Isici esingeziwe esenza i-multimeters yedijithali ibe wusizo ikakhulukazi umsebenzi ozenzakalelayo, okhetha ngokuzenzakalelayo uhla lokulinganisa olufanele.Lapho uhla ngqo lungaziwa, lokhu kukwenza kube lula inqubo futhi kunciphisa amandla ngephutha lomsebenzisi, okwenza ama-multimeters wedijithali asebenziseka kalula.Lesi sici sivumela abasebenzisi ukuthi bagxile ekuxhumaniseni amacala ngendlela efanele futhi bafunde isibonisi ngaphandle kokukhathazeka ngokusetha ngesandla.Lokhu kungaba yinzuzo enkulu kulabo abanolwazi oluncane ezilinganisweni zikagesi.Umsebenzi wokuhambisa ngokuzenzakalela uqinisekisa ukuthi izilinganiso zithathwa ngaphakathi kwebanga elifanele, ukuthuthukisa ukunemba nokusebenza kahle ngesikhathi sokuxilonga kanye nemisebenzi yokuxazulula inkinga.

Umehluko ekubonisweni kokufundwa: I-Multimeter yedijithali vs analog multimeter

Digital Multimeter Readout Display

Umdwebo 2: I-Digital Multimeter Readout Display umfanekiso

I-Digital Multimeters Sebenzisa ukuboniswa okuthuthukile kokubonisa okuthuthukisa kakhulu ukunemba nokukhululwa kwezilinganiso zokufunda.Inombolo ngayinye kwisiboniso sedijithali iqukethe izingxenye ezifika kweziyisikhombisa ezikhanyisa izinombolo.Lokhu kucushwa kuqinisekisa ukufundwa okucacile nokunembile, ukuqeda i-ambiguity ehambisana nezikhundla ze-analog izinaliti.Ukucushwa okujwayelekile kokubonisa kufaka phakathi ukuboniswa kwamadijithi okungu-2½, okukwazi ukukhombisa amanani aze afike ku-199, kanye nokuboniswa kwamadijithi okungu-3½, okungakhombisa amanani aze afike ku-1999. Lezi zikhundla zokuhlelwa kwezilinganiso eziyishumi, ezaziwa njengezilinganiso ezibanzi zezilinganiso ezinembile.

Lapho usebenza i-multimeter yedijithali, umsebenzisi uqala ngokukhetha umsebenzi wokulinganisa oyifunayo futhi uqinisekise ukuthi kungenzeka ama-Confors axhunyiwe kahle.Lapho nje kungenzeka ukuthi xhumana namaphoyinti wokuhlola, isibonisi sedijithali sibonisa ngokushesha ukulinganisa ngendlela eqondile yezinombolo.Ukuboniswa okucacile, okuhlukanisiwe kwenza kube lula ukufunda amanani shazi, ngisho nasezimweni eziphansi ezikhanyayo, ngenxa yezinketho ze-LED noma ezingemuva kwe-LCD.Lokhu kufundwa okuqondile kunciphisa amandla ephutha lomuntu futhi kusheshise inqubo yokuxilonga.Futhi, isici esivuselelwa ngokuzenzakalela siguqula ngokuzenzakalelayo isibonisi kuhlu esifanele, senze lula ukusebenza.Ngokuhlinzeka ngemininingwane enembile, okulula ukuyifunda, ama-multimeters wedijithali athuthukisa ukusebenza kahle kanye nokwethembeka emisebenzini yokulinganisa kagesi.Esikhathini esedlule, abasebenzisi bekufanele bakhethe ngesandla ibanga bese belungisa iphuzu ledesimali ukuze lihambisane nesilinganiso esibonisweni, sidinga ukuqonda okuqinile kobubanzi bemitha futhi kuvame ukubandakanya ukuqulwa kwecala nephutha.I-multimeter yedijithali yanamuhla, noma kunjalo, ifaka imibukiso esuka ngokuzenzakalela ekhetha ngokuzenzakalelayo ibanga elifanele futhi ulungise iphuzu ledesimali ngokufanele.Lokhu okuzenzakalelayo kube lula inqubo yokulinganisa futhi kunciphisa kakhulu amathuba wephutha lomsebenzisi.Lapho usebenzisa i-Multimeter yesimanje yedijithali, umsebenzisi umane usetha umsebenzi (isb.I-Multimeter i-Multimeter inquma ngokushesha ububanzi obufanele futhi ikhombisa ukulinganisa ngokubekwa okulungile kwedesimali.Lesi sici sinenzuzo ikakhulukazi kubaqalayo nalabo abadinga ukufundwa okusheshayo, okunembile ngaphandle kokuhlupheka kokulungiswa kwezandla.I-Auto-Rangeng ayigcini nje kuphela isikhathi kodwa futhi iqinisekisa ukuthi izilinganiso zinembile.

Ngokwesilinganiso sokusebenziseka, ama-multimeters wedijithali ahlinzeka ngezinketho ezahlukahlukene zokubonisa ukuze ahlangabezane nezidingo ezihlukile, ngosayizi wedijithi osukela ku-5 mm kuya ku-12 mm ngokuya ngomenzi kanye nokusetshenziswa okuhlosiwe.Imibukiso emikhulu inenzuzo ikakhulukazi lapho ukufundwa kudinga ukuthathwa kude noma ezindaweni lapho ukubukwa okusondele kunzima khona, njengasezikhaleni ezimnandi noma eziminyene.Ngaphandle kwalokho, ukukhetha usayizi wokubonisa kuvumela ukwenza ngokwezifiso ukuze kuvumelane nemisebenzi ethile yokulinganisa kagesi.

Isibonisi se-Analog Multimeter Readout

Umdwebo 3: I-Analog Multimeter Readout Photovel umfanekiso

Ukuboniswa kokufunda kwi-analog multimeter ngokujwayelekile inaliti noma i-pointer eshukumisela ngaphesheya kwesilinganiso esithweswe iziqu ukukhombisa inani lokulinganisa.Lezi zikali kwesinye isikhathi zingabi namehlo, ikakhulukazi izilinganiso zokumelana.Ukushintshwa komsebenzi / ibanga le-analog multimeter kuvumela abasebenzisi ukuthi bakhethe amabanga ahlukene wokumelana, okuvame ukufakwa (r) × 1, (r) × 10, (r) × 10, (r) × 10, ngokuthola ngokucophelelaIsikhundla senaliti esikalini futhi siphindaphinde leli nani ngesici esifanele - 1000, 10, noma 1 ngokusekelwe ebangeni elikhethiwe.Empeleni, le nqubo idinga ukuphathwa okunembile nokuqonda okucacile kwamamaki esikalini.Okokuqala, ukhetha ibanga elifanele usebenzisa i-function / Range Shintsha.Ngemuva kwalokho, uxhuma izivivinyo ucwaningo kumjikelezo, uqinisekise ukuxhumana okuqinile.Njengoba inaliti ihamba, kufanele uvumelanise umugqa wakho wokubona ngqo ngaleyonalitha ukugwema amaphutha e-parallax, okungenzeka uma ubheka inaliti kusuka engela.Lokhu kuqinisekisa ukufundwa okunembe kakhulu.Lapho inaliti lizinza, funda inani elikhonjisiwe esikalini bese usebenzisa i-Multiplier ehambelana nebanga lakho elikhethiwe.

Ngezilinganiso ze-voltage, ama-analog multimeter afaka izikali eziningi ezibhekelela amabanga ahlukene we-voltage.Lezi zikali zivame ukufaka izilungiselelo zama-volts ayi-1000, ama-volts angama-250, ama-volts angama-50, nama-volts ayi-10 amavolumu we-DC Voltage.Kuyathakazelisa ukuthi izikali ezifanayo zivame ukusetshenziselwa izilinganiso ze-ac ne-DC voltage, ngokuhunyushwa okulungile okunqunywe yimisebenzi yokushintsha / yokushintshana kwebanga.Le switch iyadingeka njengoba ichaza ukuthi ngabe ukufunda kufanele kuhunyushwe ngokuthi i-AC noma i-DC voltage bese ukhetha isikali esithile okufanele usisebenzise.Isibonelo, isilinganiso se-10 volt singasebenza zombili izilungiselelo ze-10-volt kanye ne-1000-volt, ngokufundwa okuqondile okuqondiswa yi-function / Range Shintsha.

Ukusebenza komgomo we-multimeters ye-analog kanye ne-digital

Ukuqonda umehluko ezimisweni zokusebenza kwama-multimeters we-analog kanye nedijithali kuyadingeka ekukhetheni ithuluzi elilungile lezilinganiso zakho zikagesi.Ngenkathi zombili lezi zinhlobo zisebenzela i-voltage efanayo yenhloso-yokulinganisa, yamanje, kanye nokumelana - izindlela abazisebenzisayo ukufeza lokhu zihlukile kakhulu.

Umdwebo 4: Umdwebo we-Schematic we-Analog Multimeter Function

I-Analog Multimeters, ebikade isetshenziswa isikhathi eside, sebenzisa inaliti eshukumisayo ukukhombisa ukufundwa.Indlela ebaluleke kakhulu ifaka ikhoyili yocingo ibekwe phakathi kwama-magnets amabili.Lapho kudlula ama-ejeka kagesi ngekhoyili, kwakha amandla kazibuthe.Le nkambu kazibuthe ixhumana nama-magnets ahleliwe, okwenza ikhoyili ihambe.Inaliti, enamathiselwe kwikhoyili, ihamba ngaphesheya kwesilinganiso esilinganiselwe ukukhombisa ukulinganisa.Le nhlangano yemishini iqondile futhi inembile ngokubonakalayo, okuvumela abasebenzisi ukuthi babone izinguquko nezindlela zesikhathi sangempela.Kodwa-ke, ukufunda isikali ngokunembile kungaba yinselele, ikakhulukazi kwabaqalayo.Ukuhunyushwa okunembile kwesikhundla senaliti esikalini kudinga izandla eziqinile kanye nomugqa oqondile wokubona ukugwema amaphutha e-parallax.Abasebenzisi kumele futhi bakhethe ihlu elifanele ngesandla, okunezela ngobunzima.

Umdwebo 5: Umdwebo we-Schematic of Digital Multimeter Funct

I-Digital Multimeters, ngakolunye uhlangothi, sebenzisa izigqengu kagesi ukukala nokubonisa amanani.Ingxenye eyinhloko iyi-analog-to-digital converter (ADC), eguqula amasiginali we-analog abe yidatha yedijithali.Lapho usebenzisa i-multimeter yedijithali, uqala ngokukhetha umsebenzi wokulinganisa kanye nokuxhuma ama-Consos ku-Circuit.I-ADC icubungula isinali yokufaka futhi ibonisa ukufundwa kwezinombolo esikrinini se-LCD noma i-LED.Le ndlela ihlinzeka ngenani elicacile, eliqondile, ukunciphisa kakhulu amandla ephutha lomuntu nokwenza lula inqubo yabasebenzisi, ikakhulukazi lezo ezinolwazi oluncane.Izici ezinjengokuzenzakalelayo zilungisa ngokuzenzakalela uhla lokulinganisa.Futhi, isici sedatha esiphethe sibanda inani elibonisiwe elithuthukisa kalula ukusetshenziswa nokunemba.

Omunye womehluko omkhulu ezimisweni ezisebenzayo ze-analog ne-digital multimeters yindlela ukulinganisa kuboniswa ngayo.I-Analog Multimeters Sebenzisa isikali esiqhubekayo nenaliti eshukumisayo ukuhlinzeka ngesethulo esibonakalayo sokushintsha kancane kancane, kubenze basebenziseke ikakhulukazi ekuguqukeni nasekuguqukeni.Ngokuphambene nalokho, ama-multimeters wedijithali abonisa amanani aqondile ngezinombolo esikrinini se-LED noma i-LCD, okulula kakhulu ukusifunda nokunciphisa ubungozi bephutha lomuntu.

Umehluko onemininingwane kuzinhlelo zokusebenza

Ukukhetha phakathi kwama-multimeters we-analog kanye nedijithali kuthinta kahle ukusebenza kanye nokusebenza kahle kwezilinganiso zikagesi.Ukukhetha kuncike kakhulu kuhlelo lokusebenza oluthile nemvelo.

Ukufaneleka kwesicelo

I-Analog Multimeters: Okuhle kakhulu ekuhlaziyweni kokubuka nokuqina ezindaweni ezivimbela amandla.Kukhethwe ngemisebenzi edinga ukubonwa kwezitayela kanye nezinguquko ezihamba kancane, njengokugcina imibuthano.

I-Digital Multimeters: Ukukhetha okuhle kwemisebenzi enokunemba okuphezulu, imisebenzi enobungane, kanye nezindawo ezidinga ukufundwa okusheshayo, okunembile.Ilungele ukuxilonga izinkinga zikagesi, ilungisa ama-elekthronikhi, namaphrojekthi anemininingwane.

Ama-analog multimeter ezindaweni ezinomsindo

Ukumelana nomsindo: I-Excel ezindaweni ezinomsindo omkhulu kagesi, lapho ama-multimeters wedijithali angathatha khona ukuphazamiseka.Idizayini yabo iqinisekisa ukufundwa okuthembekile kuma-Noisy workshops noma izilungiselelo zezimboni.

Ukuncika kwamabhethri: Akudingi amabhethri wezilinganiso eziningi, ukuzenza zithembele ngaphandle kokuthola umthombo wamandla.Zinikeza ukusebenza okuqhubekayo ngaphandle kokutholakala kwamandla.

I-Digital Multimeters Yokunemba

Ukufundwa okuqondile: Injiniyela ngokunemba okuphezulu nokunemba, ukubonisa ukufundwa kwamanani okuqondile ukunciphisa iphutha lomuntu.

Izici ezisebenziseka kalula: Imisebenzi ye-Auto-Rangeding ne-Data Hold Hold Hlication ukuguquguquka nokusebenziseka kalula.Mane nje uxhume izinketho, futhi idivaysi iyazivumelanisa ngokwayo, iqede ukukhethwa kwamabanga okwenziwa ngesandla.Umsebenzi wokubamba idatha uyasebenziseka ngezikhala eziqinile noma ezingezinhle.

Ukusetshenziswa Kwezemfundo

I-Student-Friendly: Incamela ukulula ukusetshenziswa kwayo kanye nokubonisa okucacile kwedijithali.Yenza lula izilinganiso zokufunda, kusiza abafundi ekuqondeni imiqondo kagesi.

Ukufunda Okusebenzayo: Ngesikhathi sokuzivocavoca selebhu, abafundi bangakwazi ukukhetha ngokushesha imisebenzi yokulinganisa, xhuma izingcezu, futhi bafunde amanani aqondile, baqinisekisa amava okufunda afanele.Ukusebenza okunembile kuthuthukisa ukusebenza kahle kokufundisa izimiso zikagesi.

Yikuphi okunokuphazamiseka okuphezulu?I-Digital noma i-Analog Multimeter?

Lapho ukhetha phakathi kwama-multimeters wedijithali ne-analog, into ethile ebaluleke okufanele icatshangelwe ukungaphandle kwawo.Ukuphazamiseka kubhekisele ekumelaneni kwemitha kunikeza ukugeleza kwamanje kagesi.Izinga lokuvikelwa kwe-multimeter lithinta kakhulu ukusebenza kwalo kanye nokufaneleka kwalo kwezicelo ezahlukahlukene, ikakhulukazi ngokuya ngokunemba nokuxhumana nemibuthano ekalwa.

I-Digital Multimeters Imvamisa inokungaphandle okuphezulu kakhulu kunama-analog multimeters, imvamisa cishe ama-10 Megohms (10 wezigidi ezingama-oh).Lokhu kuvinjelwa okuphezulu kuyadingeka ngoba kuqinisekisa ukuthi i-multimeter idonsela amanje njengamanje lapho ulinganisa i-voltage esifundeni.Ukudweba okuncane kwamanje kudingeka kakhulu njengoba kuvimbela inqubo yokulinganisa ekuphazamiseni ukusebenza komjikelezo.Lapho usebenzisa i-Multimeter yedijithali, umane uxhumeke umjikelezo, futhi ukubulawa okuphezulu kuqinisekisa ukufundwa okunembile ngaphandle kokuthinta umjikelezo, ikakhulukazi ama-mictoconcrontroller noma ezinye izinto ezibucayi.Isici sayo esiphakeme sokuphazamiseka sizuzisa ikakhulukazi ku-elekthronikhi yanamuhla, lapho ukunemba nokuphazamiseka okuncane kulungele ukuxilonga okunembile nokuxazulula inkinga.Ngokugcina ubuqotho besifunda, ama-multimeters wedijithali avumela izilinganiso eziqondile ezidingekayo ekuhlaziyweni okusebenzayo nokulungiswa.Baqinisekisa ukuthi ngisho nezinto ezibucayi kakhulu zihlala zingasebenzi ngesikhathi sokuhlola.

I-Analog Multimeters imvamisa inomkhawulo ophansi, ngokuvinjwa kokufaka kaningi isuka ku-10 kilohms (10,000 ohms) kuya kuma-20 kilohms nge-volt.Ngenkathi leli zinga lokulimala lanele emibuthanweni eminingi ekhulile noma ngaphezulu eqinile, ingadala izingqinamba ezibalulekile kumadivayisi wesimanje, abucayi ama-elekthronikhi.Ukuvinjwa okuphansi kusho ukuthi imitha ye-analog idonsela okukhona njengamanje kusuka ekulinganiseni kwesifunda.Lokhu kukhuphuka kokudonswa kwamanje kungaguqula indlela yokuziphatha, okuholela ekufundeni okunembile okuncane futhi kungaphazamisa ukusebenza okujwayelekile komjikelezo.Lapho usebenzisa i-analog multimeter, kufanele uqaphele ukuzwela kwesekethe.Xhuma okungenzeka futhi ubheke ukunyakaza kwenaliti kepha wazi ukuthi ithonya lemitha lingase like like imiphumela.Emibuthanweni ebucayi, lokhu kungaholela ezilinganisweni eziyiphutha futhi kungalimaza ngisho nezinto ezibucayi.Ngakho-ke, ukuqonda ukulinganiselwa kanye nomthelela wokuphazamiseka okuphansi kuyadingeka ekuhlolweni okunembile nokuvimbela ukulimala okungaba khona kuma-elekthronikhi wanamuhla ngesikhathi sokuhlola.

Umehluko ekulweni phakathi kwama-multimerer wedijithali ne-analog agcizelela ukubaluleka kokukhetha ithuluzi elilungile lomsebenzi.Kuzinhlelo zokusebenza ezidinga ukucaciswa okuphezulu nokuphazamiseka kwezezimali okuncane, ukulimala okuphezulu kwedijithali kuyinzuzo ecacile.Ngokuphambene nalokho, ama-analog multimeters, ngokuvikelwa kwawo okuphansi, kufanelekile kakhulu kwizicelo lapho ukudweba okukhona manje kungadingeki.Imvamisa isetshenziswa ezimweni ezibandakanya amasekhethi aqinile azwela kakhulu kwinqubo yokulinganisa.

Ukufana kwamandla okuqonda okuqondile

Okunye kokufana okubalulekile phakathi kwama-multimeters we-analog ne-digital ukuthi zombili lezi zinhlobo zisebenzisa amabhethri ukunika amandla imisebenzi eyengeziwe.Bobabili banezidingo ezithile zamandla.

Amabhethri ajwayelekile we-9V noma aa ama-multimeters wedijithali

Umdwebo 6: Usebenzisa amabhethri ajwayelekile we-9v ama-multimeters wedijithali

I-Digital Multimeters (DMMS) ngokuvamile zincike kumabhethri ngokusebenza kwawo, evame ukusebenzisa amabhethri ajwayelekile we-9V noma AA ukuze anikeze amandla aboniswayo awo wedijithali, ukujikeleza kwangaphakathi, kanye nezici ezengeziwe ezifana nemisebenzi egqamile.Lokhu kuthembela kumandla webhethri kwenza ama-DMM aphatheke kakhulu futhi alula, okwenza ukusetshenziswa kwawo kuzilungiselelo ezahlukahlukene, noma ngabe usebenza ngelebhu, endaweni yokwakha, noma egalaji lakho.Ukuphathwa kwama-DMMS kuyithuba elikhulu, okunikeza ukuguquguquka nokusebenziseka kalula kwezindawo ezahlukahlukene.Ukuze usebenze, umane ufake amabhethri, vula insiza, khetha umsebenzi wokulinganisa oyifunayo, bese uxhuma ama-Consses kwisekethe.Ukufundwa kwedijithali nezici ezithuthukile zinikeza izilinganiso eziqondile, ukuthuthukisa ukusebenza kahle nangokunemba kunoma iyiphi indawo.Lokhu kusebenza ngebhethri anikwe amandla kuqinisekisa ukuthi ama-DMM ahlala elungele ukusetshenziswa, okunikeza ukusebenza okungaguquki ngaphandle kokuncika emithonjeni yamandla angaphandle.

Impilo yebhethri yedijithali ye-multimeter iyahlukahluka ngokusekelwe ekusetshenzisweni imvamisa yokusebenzisa kanye nezici zayo.Amamodeli afakwe isici se-Auto-Shutff Siza kulondolozwa impilo yebhethri ngokucisha imitha uma ingasebenzi, ukuveza isikhathi esisebenzayo kanye nokuqinisekisa i-multimeter isilungele noma nini.Ukwandisa ukusebenza kahle, ngaso sonke isikhathi qiniseka ukuthi i-auto-shutff inikwe amandla, ikakhulukazi ngezikhathi zokusetshenziswa kwezikhathi ezithile.Kuwukuhlakanipha futhi ukugcina amabhethri asele azovimbela ukuphazamiseka ngesikhathi sokusola izilinganiso.Lapho usebenzisa i-Multimeter yedijithali, hlola njalo isimo sebhethri, bese ubeka esikhundleni sawo njengoba kudingeka ukuze ulondoloze ukusebenza okungaguquki.Lo mkhuba uqinisekisa ukuthi multimeter wakho uhlala ethembekile futhi enembile, ukugwema isikhathi sokuphumula ngesikhathi sokuxilonga nokulungiswa.

Amangqamuzana enkinobho, aa, amabhethri e-AAA ama-analog multimeters

Umdwebo 7: Usebenzisa amabhethri we-AA ne-AAA ama-analog multimeters

I-analog multimeters ngokuyinhloko ithembele ekwakhiweni kwabo kwemishini ukuthola imisebenzi eyisisekelo.Okusho ukuthi, azidingi umthombo wamandla wokulinganisa ama-voltage noma wamanje.Lokhu kubenza babe ngamathuluzi anokwethenjelwa futhi abakwazi ukusebenza ngaphandle kokuhlinzekwa kwamandla okuqhubekayo.Lezi multimeter ziwusizo ikakhulukazi ezindaweni lapho ukufinyelela khona amandla kukhawulelwe.Kodwa-ke, ngokulinganisa ukumelana, ama-analog multimeters adinga amabhethri.Imvamisa, basebenzisa amabhethri amancane afana ne-AA, AAA, noma amangqamuzana enkinobho ukunika amandla isici sokulinganisa sokumelana.Lapho ukukala ukumelana, la mabhethri athumela okuncane kwamanje ngesifunda, avumele imitha ukuba igange ukumelana kahle.

Ukuze usebenzise ama-analog multimeters, uqala ukufaka ibhethri elifanele, noma ngabe ana, aaa, noma amaseli ezinkinobho.Ngemuva kwalokho, setha umsebenzi wokumelana, futhi uxhume izinketho kumjikelezo.Inaliti yemitha iyobe isishukumisela ukukhombisa inani lokumelana, okulichazayo ngokufunda isikali.Le nhlanganisela yemisebenzi emishini nebhekwe ngebhethri iqinisekisa ukuthi ama-analog multimeters ahlala eguquguqukayo kokuxilongwa kukagesi okuhlukahlukene, ikakhulukazi ezimweni lapho ama-voltage kanye nezilinganiso zamanje azidingi umthombo wamandla.

I-Analog vs Digital Multimeter Pros & Cons

Izinzuzo ze-analog multimeters

I-Analog Multimeters inikela ngezinzuzo eziningana ezibalulekile, ikakhulukazi emandleni abo okubonisa ukuthambekela kanye nezinguquko ngokuhamba kwesikhathi.Enye yezici eziphawuleka kakhulu ze-analog multimeters yinaliti ehambayo, enikeza ukumelwa okubonakalayo kokuthi amanani eguquguqukayo.Lokhu kunyakaza okuqhubekayo kuzuzisa ikakhulukazi lapho kubukelwa imibuthano noma ukwenza ushintsho oluhle.Ngokungafani nokufundwa kwedijithali okunikezela ngamanani wenombolo ye-static, ukunyakaza kwenaliti kuvumela abasebenzisi ukuthi babone izinguquko kancane kancane, okwenza kube lula ukuthola izitayela kanye ne-v ariat ion ngezilinganiso.Kodwa-ke, ama-analog multimeters avame ukuba namandla ngokwengeziwe futhi athinteka kancane ngumsindo kagesi, okwenza athembeke ezindaweni ezinomsindo.Imvelo yabo yemishini nayo isho ukuthi bangasebenza ngaphandle kwamabhethri okuma-voltage kanye nezilinganiso zamanje, aqinisekise ukuthi zihlala zilungele ukusetshenziswa.I-Analog Multimeters Excer in Envy Envyments enomsindo omkhulu kagesi, njengama-workshop workshop noma amasayithi wezimboni, ngenxa yokuqina kwabo okungokwemvelo ekuphazanyisweni.

I-CHESS ye-Analog Multimeters

Naphezu kwezinzuzo zabo, ama-analog multimeter anezithiyo eziningana eziphawuleka.Okukodwa okuphawuleka okubalulekile yithuba lokufunda okungalungile ngenxa yokwakheka kwenaliti kanye nokwekala, kudinga abasebenzisi ukuhumusha isikhundla senaliti.Le nqubo ithambekele kwiphutha lomuntu, ikakhulukazi iphutha le-parallax, elenzeka lapho inaliti libukwa lisuka engela, liholele ekufundeni okungalungile.Amaphutha anjalo angenza ukuthola izilinganiso eziqondile eziyinselele, ikakhulukazi ezindaweni ezisheshayo noma eziphakeme kakhulu.Ngokungafani namamodeli wedijithali ahlinzeka ngamanani wenombolo acacile esikrinini, ama-analog multimentereter afuna ukuqondanisa ngokucophelela nangokunaka imininingwane, abenze bathambekele ekuchazeni kahle.

Omunye umkhawulo we-analog multimeters ukuntuleka kwezici ezithuthukile ezijwayelekile kumamodeli wedijithali, njengamandla ahambisanayo.Badinga ukukhethwa kwamabanga ahlukahlukene, okwenza inqubo iyinkimbinkimbi futhi idle isikhathi, ikakhulukazi izilinganiso eziyinkimbinkimbi.Ngaphandle kwalokho, ama-analog multimeters ngokujwayelekile aswele umsebenzi wokubamba idatha etholakala kumamodeli wedijithali.Isici se-Data Sokubamba sivumela abasebenzisi ukuthi basebenzise isilinganiso esibonisiwe, lula ukuqoshwa okulula noma ukuhlaziya ngaphandle kokudinga ukubheka njalo imitha.Ngaphandle kwalo msebenzi, ama-analog multimeters abe elula ukuthi imisebenzi edinga imibhalo enemininingwane noma ezindaweni lapho kuyinselele khona ukuze unakekele imitha ngokuqhubekayo.Lokhu kungabikho kungasebenza ngemisebenzi, njengoba abasebenzisi kufanele baqophe ngesandla ukufundwa ngesikhathi sangempela, bandisa amathuba okuba ngamaphutha nokwenza inqubo ibe yinhle kakhulu, ikakhulukazi ezimweni zomsebenzi ezisheshayo noma ezingazinzile.Kodwa-ke, ama-analog multimeter avame ukuba bulkier futhi abe buthaka ngokwengeziwe ngokuqhathaniswa nabalingani bedijithali ngenxa yezakhi zabo zemishini, njengenaliti nezinalo zangaphakathi ezihambayo.Lokhu kugcwala kunciphisa ukuqina kwawo kanye nokuphila kwawo, kubenza balungele izindawo ezinamanzi noma ezifunwayo.

Izinzuzo ze-multimeters zedijithali

I-Digital Multimeters inikela ngezinzuzo eziningana ezibalulekile, ukuzenza ukukhetha okungcono kwabasebenzisi kudinga ukunemba okuphezulu nokunemba kwezilinganiso zikagesi.Enye yezinzuzo zabo eziphambili ukunemba okuhlukile nokunemba kwazo, ukuhlinzeka ngamanani aqondile ngezinombolo kunokuthembela ekuchazeni isikhundla senaliti esikalini.Lokhu kucaca kwedijithali kunciphisa ithuba lephutha lomuntu.Ukufundwa kwedijithali kuqondile ukufunda, ngisho nasezimonzweni eziphansi.Lokhu kwenza abasebenzisi bakwazi ukuthola imiphumela ethembekile ngokushesha nangendlela efanele.Ngaphandle kwalokho, izici ezinjengokusuka ngokuzenzakalela, ukubamba idatha, kanye namakhono okulinganisa athuthukile kuthuthukisa ukusebenza kahle kanye nokusebenzisa kalula, yenza ama-multimeters wedijithali abe yithuluzi elisebenziseka kalula lemisebenzi elula kagesi elula.

Enye inzuzo ye-multimeter yedijithali iqoqo labo lezinto ezithuthukile, okuthuthukisa kakhulu ukusetshenziswa.Isici esingukhiye sisuka ngokuzenzakalela, esikhetha ngokuzenzakalelayo uhla lokulinganisa olulungile lwepharamitha ehlolwayo.Lo msebenzi wonga isikhathi nomzamo, ikakhulukazi abasebenzisi abangajwayelene nokukhethwa kwamabanga ahlukahlukene.I-Auto-Rangeng inciphisa ubungozi bokukhethwa okungalungile, ukuvimbela ukufundwa okungalungile nokuvikela i-multimeter kusuka kumonakalo ongaba khona.Lesi sici sihambisa inqubo yokulinganisa, sivumela imiphumela esheshayo, ethembekile ngokwengeziwe, futhi inciphise umaki wephutha lomsebenzisi.Futhi, ama-multimeters wedijithali avame ukufaka umsebenzi wokubamba idatha, okuvumela abasebenzisi ukuthi basebenzise inani elibonisiwe.Lokhu kusebenza kakhulu lapho uthatha izilinganiso ezindaweni ezikunzima lapho ubheka khona ngokuqhubekayo inselele isikrini inselele.

Ama-multimeters wedijithali

Naphezu kwezinzuzo zabo eziningi, ama-multimeters wedijithali anezithiyo zokuthi abasebenzisi kufanele bacabangele.Ukuphazamiseka okukhulu ukuzwela kwabo kumsindo kagesi.Ezindaweni ezinokuphazanyiswa okuphezulu kwe-electromagnetic, njengezilungiselelo zezimboni, ama-multimeters wedijithali angathatha amasiginali angafuneki, athinte ukunemba kokufundwa kwawo.Lokhu kuncishiswa umsindo kungaba yinkinga ikakhulukazi lapho kudingeka izilinganiso eziqondile.Abasebenzisi kumele baqaphele kulezi zilungiselelo, njengoba ukuphazamiseka kungaholela kwimininingwane embi, exakeka kakhulu nokuthola iziphetho ezingalungile noma ukulungiswa okunephutha.Lokhu kulinganiselwa kudinga ukucubungula ngokucophelela imvelo lapho usebenzisa i-multimeter yedijithali yemisebenzi enokunemba ephezulu.

Omunye umkhawulo wama-multitater wedijithali ukuthembeka kwabo kumabhethri okusebenza.Ngokungafani ne-analog multimeters, engalinganisa i-voltage futhi yamanje ngaphandle komthombo wamandla, amamodeli edijithali adinga amabhethri asebenze.Lokhu kuncika kushiwo ukuthi bangaphelelwa amandla ezikhathini ezingezinhle, ngokuphazamisa umsebenzi oyingozi.Ukunciphisa ingozi, abasebenzisi kumele ngaso sonke isikhathi bagcine amabhethri asele asondele, engeza isendlalelo esengeziwe sokulungiswa.Lesi sidingo sokubuyiselwa kwebhethri okujwayelekile kungaba umthwalo ikakhulukazi ezindaweni ezikude noma ngesikhathi sokusetshenziswa okunwetshiwe.Izindleko kungenye indawo lapho ama-multimeters wedijithali angawa khona umafushane uma uqhathaniswa nabalingani be-analog.I-Digital Multimeters, ikakhulukazi lezo ezinezici ezithuthukile ezifana ne-auto-rangening, Idatha Bamba, kanye nemisebenzi yememori, ivame ukubiza kakhulu.Kwabasebenzisi abadinga ithuluzi eliyisisekelo lezilinganiso ezilula, izindleko ezingezekile ze-multimeter yedijithali kungenzeka zingalungi.Ngakho-ke, isilinganiso sezinzuzo zezindleko kumele sibhekwe ngokucophelela, njengoba ukutshala imali endaweni yedijithali ephezulu yedijithali kungenzeka kungaqiniseki ngemisebenzi eqondile, engekho emthethweni lapho i-analog multimeter ebizayo.

Ukugcina

Ukukhetha phakathi kwe-analog ne-multimeters yedijithali kuya ngezidingo zakho kanye nemvelo osebenza kuyo. Zombili lezi zinhlobo zinamandla azo.I-Analog Multimeters inamandla futhi ibiza kakhulu, ilungele izindawo ezinomsindo kagesi kanye nabasebenzisi abadinga ithuluzi elithembekile, eliqondile.I-Digital Multimeters, ngokunemba kwayo okuphezulu nezici ezithuthukile, zilungele izilinganiso eziyinkimbinkimbi kanye nokusebenza okusebenziseka kalula.Cabanga imisebenzi yakho ethile kanye nemvelo lapho ukhetha i-multimeter.Kokubili amamodeli we-analog ne-digital anikela ngezinzuzo ezibalulekile ezingaqhakambisa ukunemba nokusebenza kahle kwezilinganiso zakho zikagesi.

Imibuzo Ebuzwa Njalo [I-FAQ]

1. Yini into yokuqala okufanele uyenze ngaphambi kokusebenzisa i-multimeter?

Ngaphambi kokusebenzisa i-multimeter, into yokuqala okufanele uyenze ukubheka izilungiselelo nesimo sedivayisi.Qinisekisa ukuthi i-multimeter isethwe kuhlobo olufanele lokulinganisa (voltage, yamanje, ukumelana, njll.) Nohlu olufanele lwalokho ohlose ukukala.Kwama-analog multimeters, qiniseka ukuthi inaliti ilinganiselwe ku-zero, okubandakanya ukufisha ukuhlolwa kuholela ndawonye futhi kulungiswe i-zero-ohm knob kuze kube yilapho inaliti ikhomba ku-zero esikalini sokumelana.Kwama-multimeters edijithali, qinisekisa ukuthi ibhethri liyasebenza nokuthi amandla edivayisi aqala ngokufanele.

2. Ingabe ama-analog multimeter angasebenzi?

I-Analog Multimeters ayiphelelwanga.Ngenkathi ama-multimeters edijithali athathwe kakhulu ngenxa yokunemba, ukukhululeka kokusetshenziswa, kanye nezici ezingeziwe, ama-analog multimeters asenendawo yawo.Babekwa ikakhulukazi amandla abo okubonisa ukuthambekela nokushintshashintsha kwesikhathi sangempela, okungaba wusizo ekubhekeni nasekuqapheleni imisebenzi.Ukuqina kwabo kanye nekhono lokusebenza ngaphandle kwebhethri le-voltage kanye nezilinganiso zamanje kubenze bathembeke ezindaweni ezithile, ikakhulukazi lapho umsindo kagesi ukhona noma lapho amandla kagesi engatholakali khona.

3. Kungani i-multimeter yedijithali inembe kakhudlwana?

I-multimeter yedijithali inembe kakhudlwana ngoba ihlinzeka ngokufundwa kwamanani aqondile, ukuqeda ukuqagela okubandakanyeke ekuhumusheni izikhundla zenaliti esikalini se-analog.I-Digital Multimeters Sebenzisa imibuthano kagesi ukuguqula amasiginali we-analog kwidatha yedijithali, ekhonjiswa esikrinini se-LED noma se-LCD.Le nqubo yokuguqula, isizwa yizakhi ezifana nabaguquli be-analog-to-digital (ADC), iqinisekisa ukunemba okuphezulu nephutha lomuntu elincane.Izici ezifana nokuthuthuka okuzenzakalelayo ukunemba ngokunemba ngokukhetha ngokuzenzakalela uhla lokulinganisa olufanele, kunciphisa ithuba lezilungiselelo ezingalungile.

4. Unembile kangakanani i-analog multimeter?

Ukunemba kwe-analog multimeter kuncike kwikhwalithi yayo kanye nekhono lomsebenzisi.Ngokuvamile, ama-analog multimeters angaba nebanga lokunemba elingama-± 20% okufundwa okugcwele.Lokhu kusho ukuthi ngokufundwa okugcwele kwama-volts ayi-100, isilinganiso sasingavalwa ngama-volts angama-2-3.Izici ezinjengamaphutha e-parallax, lapho i-angle yokubuka inaliti ingakuthinta khona ukufundwa, futhi isidingo sokukhethwa kwamabanga abhaliwe kungenza okungalungile.Ngaphandle kwalokhu kulinganiselwa, ama-analog multimeters asakwazi ukuhlinzeka ngokufundwa okuthembekile lapho esetshenziswa kahle, ikakhulukazi ngokubuka izitayela nokushintshashintsha.

5. Kungani ochwepheshe besasebenzisa ama-analog multimeters?

Ochwepheshe basasebenzisa ama-analog multimeter ngezizathu eziningana:

Ukuhlaziywa kweThendi: Ukunyakaza okuqhubekayo kwenaliti kuhlinzeka ngesethulo esibonakalayo esibonakalayo sokushintshashintsha kwezitayela, okuzuzisa imisebenzi efana namasekeli.

Ukumelana nomsindo: I-Analog Multimeters ayitholwanga umsindo kagesi, okwenza bathembeke ezindaweni ezinomsindo ezifana nezilungiselelo zezimboni.

I-Battery Indercer: Amandla kagesi nezilinganiso zamanje, ama-analog multimeters awadingi ibhethri, ukuqinisekisa ukuthi zingasetshenziswa ezimweni lapho imithombo yamandla ilinganiselwe noma ingatholakali.

Ukuphamba: I-Analog Multimeters imvamisa igcwele futhi ingamelana nezimo ezinzima, kufaka phakathi amaconsi, ukudlidliza kanye namazinga okushisa aphezulu.

Ukulula: Ngezilinganiso eziyisisekelo, ama-analog multimeters anikela ngethuluzi eliqondile nelithembekile ngaphandle kobunzima bezindawo zedijithali.

Ngokufaka amandla la mandla, ochwepheshe bangazuza ngezinzuzo ezihlukile ezaziwayo ama-analog multimeters anikela ngezimo ezithile.