Imitha yeQela eliBambeleyo | Phela kwiXesha leeProjekthi

Ukulungisa imitha yakho kwisekethe kunokuba yintlungu enkulu kwi-bum, yiyo loo nto uqinisa iimitha. Le yenkulungwane yama-21 ithatha iimultimeter. Nokuba ii-multimeter ze-analog zifikile ngokwenyani kutshanje, ewe bekuyinkulungwane eyadlulayo kodwa kunjalo, kutsha nje xa kufikwa kumba wokuyila kunye nokuyilwa.

Ukufumana imitha yokubamba ephezulu-inotshi iya kusombulula le ngxaki kwaye ikuncede ulinganise ngaphezulu kwe-amps nje. Kodwa umbuzo ngowokuba ungayifumana njani eyona mitha yokubamba ilungileyo phakathi kwehlabathi elizele ziinkampani ezithi imveliso yazo yeyona ilungileyo. Yishiye kuthi loo nxalenye, njengoko silapha ukubonelela ngendlela ecacileyo yokufumana isixhobo osifunayo.

Isikhokelo sokuthenga se-Meter

Nalu uluhlu lwezinto ekufuneka uzigcine engqondweni ngelixa ukhangela imitha yokubamba ephezulu-notch. Eli candelo liqulathe into onokuyilindela kunye nokuphepha, ngendlela eneenkcukacha. Nje ukuba udlulele kolu luhlu lulandelayo, ndiyakubheja awuyi kubuza mntu ngaphandle kwengcebiso yakho.

Imitha yeemitha kunye nokuqina

Qinisekisa ukuba imitha inomzimba ombhoxo owakhiwe kakuhle kwaye unokumelana nokuwa okuninzi esandleni sakho. Akufuneki uthenge imveliso enobulunga bokwakha, kuba ngekhe wazi ukuba isixhobo siza kutyibilika ezandleni zakho.

Ukulinganiswa kwe-IP kukwayinto ebalulekileyo kuzinzo, kwaye unokuyijonga ukuze uqiniseke ngakumbi. Ukuphakama kwe-IP, ngakumbi ukomelela kwangaphandle kwemitha. Ezinye iimitha ziza nesimbozo serabha kwaye zinomphetho wokuqina okungaphezulu kunalawo angenasigqubuthelo.

Uhlobo lweSkrini

Phantse bonke abavelisi bathi banikezela isikrini esinezigqibo eziphezulu. Nangona kunjalo, uninzi lwazo lubonakala lukumgangatho ombi. Ke, ungangcono ukhangele imitha enesikrini seLCD, esikhulu ngokwaneleyo. Kwakhona, yiya kwenye eneempawu ezingasemva njengoko unokufuna ukulinganisa ebumnyameni.

Ukuchaneka nokuChaneka

Ukuchaneka ngokungathandabuzekiyo yeyona nto ibaluleke kakhulu kuba ngapha koko, ngumlinganiso weeparameter zombane, kwaye kunjalo nangokuchaneka. Yazi iimveliso ezinoluhlu olude kakhulu lweempawu kodwa ezingasebenzi kakuhle ngokuchaneka. Kungangcono ujonge abo banazo zonke izinto oza kuzifuna kwaye unike ukufundwa ngokuchanekileyo ngalo lonke ixesha. Ungayifumana njani enye enjalo? Jonga nje ukuba inqanaba lokuchaneka likufuphi na +/- 2%.

imisebenzi

Nangona sikholelwa ekubeni unolwazi olungcono malunga neenjongo zemitha yakho yokubamba, masiphinde sijonge onke amacandelo. Ngokubanzi, imitha enexabiso kufuneka isebenze ukulinganisa i-AC / DC ombane kunye nokukhoyo ngoku, ukumelana, amandla, iidayidi, iqondo lobushushu, ukuqhubeka, ukuphindaphinda, njl. Kodwa khumbula iimfuno zakho kwaye ungangxami ukuthenga nantoni na eza nazo zonke ezi zinto.

Ukufunyanwa kweNCV

I-NCV imele igama ombane ongadibaniyo naye. Yeyona nto ibalaseleyo ekuvumela ukuba ufumane umbane ngaphandle kokwenza unxibelelwano nesekethe kwaye uhlale ukhuselekile kwizothuso zombane nakwezinye iingozi. Ke ngoko, zama ukukhangela iimitha zokubamba ezibonisa iNCV. Kodwa awufanelanga kulindela i-NCV echanekileyo kwabo bayinikezela ngexabiso eliphantsi.

I-RMS yokwenyani

Ukuba nemitha yokubopha ene-RMS yokwenyani kuya kukunceda ufumane ukufundwa ngokuchanekileyo nokuba kukho iifom zamaza ezigqwethekileyo. Ukuba ufumanisa ukuba eli nqaku likho kwisixhobo kwaye lihambelana kakuhle nohlahlo-lwabiwo mali, kuya kufuneka uye kulo. Ukuba umlinganiso wakho ubandakanya inani leentlobo zemiqondiso, kuya kufuneka ukuba ube nenqaku lakho.

Inkqubo yokuHlela ngokuzenzekelayo

Izixhobo zombane kunye nezixhobo zokulinganisa ziyahambelana neengozi ezininzi kubandakanya ukothuka kunye nomlilo xa iodolo yamandla ombane kunye nokuhlelwa kwangoku kungangqinelani. Isisombululo sanamhlanje sokususa ukhetho kuluhlu lwendlela esetyenziswayo ngokuzenzekelayo.

Into eyenzayo kukuba iyakunceda ekufumaneni uluhlu lwemilinganiselo kunye nokulinganisa kolo luhlu ngaphandle kokufaka ingozi kwisixhobo. Ke ngoko, umsebenzi wakho ukhululeka ngakumbi njengoko kungasadingeki ukuba uhlengahlengise indawo yokutshintsha ngelixa ubeka i-clamp yokuthatha ufundo. Ngokuqinisekileyo, imitha ifumana ukhuseleko olukhulu.

Battery Life

Uninzi lweemitha zokubamba apha phandle zifuna uhlobo lweebhetri zeAAA ukuba ziqhubeke. Kwaye izixhobo zekhwalithi ephezulu zifika kunye neempawu ezifana nokubonakaliswa kwebhetri ephantsi, ekufuneka uyifumene. Ngaphandle koku, ukuba ufuna ubomi obandisiweyo bebhetri, kuya kufuneka ukhethe ezo zicima ngokuzenzekelayo emva kokungasebenzi kangangexesha elithile.

Ukulinganiswa kweMitha

Kububulumko ukujonga imida ephezulu yemilinganiselo yangoku. Masithi, uncamathisela imitha ngombane okaliwe wangoku wama-500 amperes ukuya kumgca wama-600 ampere ngaphandle kokwazi. Izenzo ezinjalo zingakhokelela kwimicimbi enzulu yokhuseleko. Ngalo lonke ixesha jonga ukuthenga iimitha zokubopha ngovavanyo oluphezulu lwangoku kunye nevolthi.

Imigangatho yoKhuseleko

Ukuzigcina ukhuselekile kufuneka kube yeyona nto iphambili kwaye iphambili. Umgangatho wokhuseleko we-IEC 61010-1, kunye ne-CAT III 600 V kunye ne-CAT IV 300V, zizilinganiselo zokukhusela ekufuneka uzijongile kwezona mitha zixabisekileyo zibambekayo.

Iinkalo ezongezelelweyo

Ukulinganisa iqondo lobushushu ngemitha yakho yokubamba kuvakala kupholile kodwa kunokungqina ukuba ayibalulekanga. Zininzi iimveliso phaya eziza neetoni zeempawu ezinomtsalane njengeetotshi, iteyiphu yomlinganiselo, izivamvo ze-alam ezivakalayo nayo yonke loo nto. Kodwa kufuneka uqhubeke kuphela ukuthenga leyo ibeka phambili ukuchaneka kubuninzi beempawu.

Ubungakanani bomhlathi kunye noyilo

Ezi mitha ziza nobukhulu bemihlathi eyahlukeneyo ngokubhekisele kusetyenziso olwahlukeneyo. Zama ukuthenga enye ngomhlathi ovulekileyo ukuba ufuna ukulinganisa iingcingo ezingqindilili. Kungcono ukufumana isixhobo esenziwe kakuhle ekulula ukusibamba kwaye sinzima kakhulu ukusijikeleza.

Ukuvavanywa kweemitha ezigqibelele zivavanyiwe

Ngokwenza uhambo lwakho luye kwelona nqanaba liphezulu le-clamp yemitha egudileyo, iqela lethu liye langena nzulu kwaye lenza uluhlu lweemveliso ezixabiseke kakhulu phaya. Uluhlu lwethu olulandelayo luqukethe izixhobo ezisixhenxe kunye nalo lonke ulwazi oludingayo malunga nabo ukuze ufumane olulungele wena.

1. Meterk MK05 Digital Uqinisa Imitha

Imiba yamandla

Xa kuziwa kwiimpawu ezizodwa, iMeterk MK05 ihlala iphambi kwezinye iimitha zokubamba ezantsi kuluhlu. Ukuthetha ngeempawu, into yokuqala ukukhankanywa kukungasebenzi konxibelelwano lwamandla ombane. Hlala ukhuselekile kukothuka kombane, njengoko inzwa inyuswe kwisixhobo ikuvumela ukuba ujonge umbane ngaphandle kokuchukumisa iingcingo.

Iscreen esine-LCD enkulu esiza nesisombululo esiphakamileyo siza nezibane zangasemva ukuze ungajongani nobunzima ekuthatheni imilinganiselo. Unako ukugcina iso kwisikrini uphawu lwe "OL", olubonakala lubonisa ukuba isiphaluka sinokugqithisa kwamandla. Sukuba nexhala ukuba uyalibala ukucima imitha; Umsebenzi wokucima umbane ngokuzenzekelayo uya kuqinisekisa ukuba isalathiso sebhetri esezantsi asiveli kungekudala.

Zombini ukukhanya kunye nealam zokuvakala zikhona ukubona iingcingo ezibukhoma, ukuqinisekisa ukuba ukhuseleko lwakho luza kuqala. Iimpawu ezongezelelweyo zibandakanya isibane seemeko eziphantsi zokukhanya kunye neqhosha lokubamba idatha kwicala lokulungisa ukufundwa kwindawo ethile. Kunye nokuchongwa koluhlu oluzenzekelayo, fumana idatha yeqondo lobushushu usebenzisa iinkqubo zobushushu. Nokuba unayo yonke le nto, imitha ephathekayo ayivumeli ukungqinelana ngokuchanekileyo.

Imida

Eminye imingcipheko emincinci ibandakanya ukuphendula kancinci kwenkqubo yokufumanisa umbane ongadibaniyo nayo. Bambalwa abantu abakhalazayo malunga nokufumana iibhetri ezifileyo kunye nokufumana incwadana yomsebenzisi ingacacanga ngokwaneleyo.

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2. Fluke 323 Digital Uqinisa Imitha

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Imitha yokubambisa ye-True-RMS enoyilo olulungisiweyo kunye ne-ergonomic enokukunika elona thuba lihle lokusombulula. Ungathembela kwesi sixhobo ukusuka kwiFluke ngokuchaneka okuphezulu, nokuba ufuna ukulinganisa imiqondiso yomgama okanye engekho mgceni.

Ayilinganisi i-AC yangoku ukuya kuthi ga kwi-400 A kodwa kunye ne-AC kunye ne-DC ombane ukuya kwi-600 Volts, eyenza ukuba ikhetheke ekusetyenzisweni kwentengiso kunye nokuhlala. Ukufumanisa ukuqhubeka akusekho ngxaki ngenxa yesandi esivakalayo sokuqhubeka esixhotyiswe kuso. I-Fluke-323 ikwenza ukuba ulinganise ukuxhathisa ukuya kuthi ga kwi-4 kilo-ohms.

Ngaphandle koyilo oluncinci kunye noludibeneyo, kukho umboniso omkhulu womsebenzisi ongcono. Awuyi kuba nexhala kakhulu ngokhuseleko, njengoko imitha ine-IEC 61010-1 yokhuseleko lomgangatho kwaye zombini i-CAT III 600 V kunye ne-CAT IV 300V yokulinganisa. Bongeze izinto ezisisiseko njengeqhosha lokubamba, elikwenza ukuba ubambe ukufundwa kwiscreen. Ngaphaya koko, iimpazamo kwesi sixhobo ziya kuhlala kakuhle ngaphakathi +/- iipesenti ezi-2.

Imida

Ngokungafaniyo neyokugqibela, le mitha yokubamba ayinakho ukubonwa kwamandla ombane angaqhagamshelwa. Izinto ezongezelelekileyo nezingabalulekanga ezinje ngethotshi kunye nescreen se-backlit screen nazo azikho kwisixhobo. Omnye umda kukuba awunakulinganisa ubushushu kunye nee-amps ze-DC.

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3. Izixhobo zeKlein CL800 Yombane weMeter yedijithali

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Izixhobo zeKlein zinike esi sixhobo ubuchwephesha bokwenyani obuchanekileyo (TRMS), esebenza njengesitshixo sakho ekufumaneni ukuchaneka okungaphezulu. Ungachonga kwaye ulahle i-voltages elahlekileyo okanye yesiporho ngokufanelekileyo ngoncedo lwendlela ye-impedance ephantsi eboniswe kuyo.

Ngaba ujonge imitha yoqhoboshi ehlala ixesha elide? Emva koko yiya kwi-CL800, enokumelana nokuwa ukusuka kwi-6.6 yeenyawo ngaphezulu komhlaba. Ngapha koko, i-CAT IV 600V, i-CAT III 1000V, i-IP40, kunye nenqanaba lokuphinda kabini ukhuseleko lwanele ukubanga ubunzima bayo. Kubonakala ngathi ukuhlala ixesha elide ayisiyonto ekufuneka ukhathazeke ngayo ukuba ungumnini wale mitha.

Unokwenza zonke iintlobo zovavanyo ekhayeni lakho, eofisini, okanye kumzi mveliso. Ngaphandle kwezi, uya kufumana iprosesa ye-thermocouple yokulinganisa ubushushu nanini na xa ufuna njalo. Ukukhanya okungalunganga kokukhanya akusayi kuba ngumqobo, njengoko bongeze zombini i-LED kunye nomboniso ongasemva. Kwakhona, imitha yakho iya kukugcina unolwazi ukuba iibhetri zibaleka kumbane, kwaye ucime ngokuzenzekelayo xa kufuneka njalo.

Imida

Iziqeshana ezikhokelayo zemitha zinokukuphoxa ngomgangatho wazo ombi kwaye zinokufuna ukutshintshwa. Abanye baxele ukuba ukulungelelanisa ngokuzenzekelayo akusebenzi kakuhle nangona bekungafanelekanga ukuba kwenziwe njalo.

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4. Tacklife CM01A Digital Uqinisa Imitha

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Ngenxa yokuba igcwele iitoni zeempawu ezizodwa, le mitha yokubamba iya kubamba umdla wakho. Ngoncedo lomsebenzi wayo okhethekileyo we-ZERO, iyanciphisa impazamo yedatha eyenzeka kumazibuthe womhlaba. Yiyo loo nto ufumana elona nani lichanekileyo lichanekileyo ngelixa uthatha imilinganiselo.

Ngokungafaniyo naleyo ibixoxiwe ngaphambili, le mitha ine-ombane engafumanekiyo yombane ukuze ukwazi ukubona umbane ukude. Uya kuqaphela izibane ze-LED zikhanya kunye ne-beeper beeper nanini na xa ifumana i-AC voltage ukusuka kwi-90 ukuya kwi-1000 volts. Shiya uloyiko lwakho lokothuka ngombane, njengoko iTacklife CM01A iquka ukhuseleko olugqithisileyo kunye nokukhuselwa okuphindwe kabini kuyo.

Ukukunceda usebenze ebumnyameni, babonelele ngescreen esikhulu esine-LCD nesibane esikhanyayo. Ungafumana ubomi obandisiweyo bebhetri ngenxa yesalathi esisezantsi sebhetri kunye nokukwazi kwayo ukungena kwimowudi yokulala emva kwemizuzu engama-30 ingasebenzi. Ngaphaya koko, kuyilo lwe-ergonomic, unokwenza uluhlu olubanzi lwemilinganiselo efunekayo ukulungiselela iinjongo zakho zeemoto okanye zekhaya.

Imida

Abanye abasebenzisi baqaphele impendulo ethe chu yomboniso ngelixa ushenxisa iindlela ukusuka kwi-AC ukuya kwi-DC. Kubekho izikhalazo ezinqabileyo malunga nokufunyanwa kwamandla ombane, ngamanye amaxesha kubangela ukuba isikrini seLCD sibe ngumkhenkce.

Akukho mveliso ifunyenweyo

5. Fluke 324 Digital Uqinisa Imitha

Imiba yamandla

Apha kuza ingxelo ehlaziyiweyo yemitha yokubamba yeFluke 323, iFluke 324. Ngoku ungonwabela ezinye izinto ezibalulekileyo, ezinje ngeqondo lobushushu kunye nokukala kokulinganisa, kulandele izibane zangasemva kwiscreen. Olu lolunye uhlaziyo oluhle oluncomekayo olwalulahlekile kuhlobo lwangaphambili.

I-Fluke 324 ikuvumela ukuba ulinganise ubushushu kuluhlu lwe -10 ukuya kuma-400 degrees Celsius kunye ne-capacitance ukuya kuthi ga kwi-1000μF. Emva koko, ukuya kuthi ga kwi-600V ye-AC / DC yombane kunye ne-400A yangoku kufuneka izwakale njengomda omkhulu kakhulu kwimitha enjalo. Unokujonga ukunganyangeki kwe-4 kilo-ohms kunye nokuqhubekeka ukuya kwi-ohms ezingama-30 kwaye ufumane ukuchaneka okupheleleyo ngenqaku le-True-RMS.

Ngaphandle kokuqinisekisa ezona nkcukacha zibalaseleyo, kucacile ukuba abayi kulalanisa nokhuseleko lwakho. Onke amanqanaba okhuseleko ahlala efanayo nakwezinye izinto ezahlukileyo, ezinje ngomgangatho wokhuseleko we-IEC 61010-1, CAT III 600 V, kunye nenqanaba leCAT IV 300V. Ke, hlala ukhuselekile ngelixa uthatha ufundisiso kumboniso omkhulu ongasemva, ubanjwe ngumsebenzi wokubamba kwimitha.

Imida

Ungadana ukuva ukuba isixhobo asinakho ukulinganisa i-DC yangoku. Ikwaswele umsebenzi wokulinganisa rhoqo.

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6. Proster TL301 Digital Uqinisa Imitha

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Ngokuqinisekileyo kukhangeleka ngathi baqokelele zonke iinkcukacha ngaphakathi kwale yeemitha zohlobo lwe-clamp. Uya kuyifumana i-Proster-TL301 efanele ukusetyenziswa kuyo nayiphi na indawo, enje ngeelebhu, amakhaya, okanye kwimizi-mveliso. Konke okufuneka ukwenze kukubamba imitha kufutshane neekhondaktha okanye iintambo ezindongeni, kwaye isixhobo sokujonga umbane esingadibaniyo (i-NCV) siya kufumana nabuphi na ubukho bevolthi ye-AC.

Ngaphandle kwalonto, ukhetho oluzenzekelayo loluhlu olufanelekileyo luya kuwenza lula umsebenzi wakho. Ngaba inomtsalane, huh? Ewe, esi sixhobo siza kukuchukumisa nangakumbi ngamandla aso ukubonisa umbane ophantsi kunye nokukhusela kuxinzelelo olungaphezulu.

Xa iqaphela umbane we-AC ukusuka kwi-90 ukuya kwi-1000V okanye ucingo olubukhoma, ialam ekhanyayo iya kukuxwayisa. Awuyi kuphazamisa ukuhamba kwangoku kwisekethe nje umfumani wesekethe. Umhlathi wocingo uvula ukuya kuma-28mm kwaye ugcina ukhuselekile. Uluhlu lwee-specs zihlala zisiba nde, njengoko zongeza umboniso ongasemva kunye nesibane se-clamp, sizimisele ukukunceda ebumnyameni. Kwakhona, isalathiso sebhetri esezantsi kunye nokukhetha ukucima amandla okuzenzekelayo kwenza ukuba inqweneleke ngakumbi.

Imida

Ingxaki enye encinci kukuba ukubonakala kokubonisa ebumnyameni akulunganga kangako njengoko kulindelwe. Imiyalelo enikiweyo ayiloncedo kakhulu ekufundeni ngokuchanekileyo.

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7. I-General Technologies Corp CM100 yemitha ye-Clamp

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Ukuba nobubanzi obukhethekileyo bomhlathi obuyi-13mm, i-CM100 ikunceda ukuba uthathe ukufundwa kwiindawo ezivalekileyo nakwiingcingo ezincinci zegeji. Unokubona i-parasitic yehla ukuya kwi-1mA ecaleni kokulinganisa i-AC / DC yamandla ombane kunye nekhoyo ngoku ukusuka kwi-0 ukuya kwi-600 volts kunye nokusuka kwi-1mA ukuya kwi-100A, ngokwahlukeneyo.

Kukho ukhetho lovavanyo lokuqhubekeka oluvakalayo ukuze ujonge ukuba okwangoku kuhamba na nokuba isekethe yakho igqityiwe okanye hayi. Iimpawu ezongezelelweyo zibandakanya isikrini esikhulu seLCD, ekulula ukufundeka. Ukongeza kuzo zonke ezi zinto, uya kufumana, amaqhosha amabini okt ukubamba okuphezulu kunye nokubamba idatha, ukuze ufumane amaxabiso owafunayo.

Into ebalulekayo bubomi bebhetri obandisiweyo, obukuvumela ukuba usebenzise imitha iiyure ezingama-50 ngaphandle kokutshintsha iibhetri. Ukusebenza kuya kuba lula ngakumbi ngesalathiso sebhetri esezantsi kunye nomsebenzi wokucima amandla okuzenzekelayo. Uyakwazi ukusebenza ngesantya esipheleleyo, njengoko imitha iyakhawuleza ukubonisa iziphumo, ukuya kuthi ga kwi-2 yokufunda ngomzuzwana. Ayisiyonto intle leyo?

Imida

Imingxunya embalwa yale mitha yokubamba ibandakanya ukungabikho kwezibane ezingasemva kwimiboniso yayo, eyenza ukuba kube nzima ukuthatha ukufundwa kwiindawo ezimnyama zokusebenza.

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Imibuzo ebuzwa qho

Nayi eminye imibuzo ebuzwa rhoqo kunye neempendulo zayo.

Yeyiphi engcono imitha uqinisa okanye multimeter?

Imitha yokulinganisa yenzelwe ukulinganisa yangoku (okanye i-amperage), ngelixa i-multimeter ilinganisa i-voltage, ukumelana, ukuqhubeka, kwaye ngamanye amaxesha iphantsi ngoku. … Eyona mitha ibambayo xa ithelekiswa nomahluko wemultimeter kukuba banokumeta umsinga ophezulu, ngelixa iimultimeter babe nokuchaneka okuphezulu kunye nesisombululo esingcono.

Zichane kangakanani iimitha zokubamba?

Ezi mitha zichanekile ngokuchanekileyo. Uninzi lweemitha zokubopha ze-DC azichanekanga nakweyiphi na into engaphantsi kwe-10 amperes. Enye indlela yokwandisa ukuchaneka kwemitha ye-clamp kukusonga ukujika kwe-5-10 yocingo kwi-clamp. Emva koko baleka i-current ephantsi ngale ntambo.

Iyintoni imitha ye-clamp efanelekileyo?

Iimitha ze-Clamp zivumela oombane ukuba badlule kwindlela yesikolo esidala yokusika ucingo kwaye ukufaka uvavanyo lweemitha kukhokelela kwisekethe yokuthatha imilinganiselo yangoku ye-in-line. Imihlathi yemitha ye-clamp ayifuni ukuchukumisa umqhubi ngexesha lokulinganisa.

Yintoni eyinyani yokubamba imitha ye-RMS?

I-RMS yokwenyani ephendula ii-multimeter zilinganisa amandla okufudumeza ombane osetyenzisiweyo. Ngokungafaniyo nomlinganiso "wokuphendula ophakathi", imilinganiselo yokwenyani ye-RMS isetyenziselwa ukumisela amandla achithwe kwisichasi. … I-multimeter isebenzisa i-dc block capacitor ukulinganisa umlinganiso we-ac kuphela wesiginali.

Ngaba sinokulinganisa i-DC yangoku ngemitha ye-clamp?

Iholo yesiphumo sekhampasi yeemitha inokulinganisa zombini i-ac kunye ne-dc yangoku ukuya kuthi ga kwi-kilohertz (1000 Hz). … Ngokungafaniyo neemitha zombane zenguqu zangoku, imihlathi ayisongelwanga ziingcingo zobhedu.

Zisebenza njani ii-multimeter zokubamba?

Yintoni imitha yokubamba? Izibopho zilinganise ngoku. Inkqubo ilinganisa umbane. Ukuba nomhlathi oxhonyiweyo odityaniswe kwimitha yombane kuvumela amagcisa ukuba abambe imihlathi ejikeleze ucingo, intambo kunye nezinye izinto zokuqhuba nangaliphi na ixesha kwinkqubo yombane, emva koko ulinganise okwangoku kwisekethe ngaphandle kokuyikhulula / ukuyikhupha.

Ngaba imitha ye-clamp yeemitha inokulinganisa i-Watts?

Unako ukubala ombane waso nasiphi na isixhobo se-elektroniki ngokusebenzisa imultimeter kunye nokubopha imitha ukufumana i-voltage kunye neyangoku, ngokwahlukeneyo, emva koko uziphindaphinde ukuze ufumane umbane (Amandla [Watts] = Voltage [Volts] X yangoku [Amperes]).

Kutheni i-clamp tester ilunge ngaphezu komvavanyi wokukhanya?

Phendula. Impendulo: Uvavanyo lwe-clamp-on alufuni kunqunyulwa i-electrode yokwaleka kwinkqubo, kwaye akukho sidingo sokujonga ii-electrode okanye ezinye iintambo.

Usebenzisa njani imitha yokubamba yesigaba se-3?

Usebenzisa njani imitha yoqinisa yedijithali?

Uwalinganisa njani amandla usebenzisa imitha yokubamba?

Uzakufuna uqinisa kwimitha eyilelwe ngokukodwa ukulinganisa amandla e-AC. Ukwenza njalo, uya kuba ne-clamp kwi-conductor, kunye ne-voltage probes eqhagamshelwe kumgca (+) kwaye ungathathi hlangothi (-) ngaxeshanye. Ukuba ulinganisa nje i-voltage kunye neyangoku kwaye uziphindaphinde ezi zimbini, imveliso iya kuba yi-VA enamandla apheleleyo.

Ithini imilinganiselo yoxinzelelo lwangoku?

Uqinisa inyathelo ngoku kunye nezinye isekethe ombane; Amandla ayinyani yimveliso yevolthi yangoku kunye nokudityaniswa ngoku komjikelo.

Q: Ngaba ubungakanani bomhlathi bubalulekile kwizicelo ezahlukeneyo?

Iimpendulo: Ewe zibalulekile. Kuxhomekeke kububanzi beengcingo kwisekethe yakho, unokufuna ubungakanani bemihlathi eyahlukeneyo ukuze usebenze ngcono.

Q: Ngaba ndingalinganisa ii-amps ze-DC ngesilinganisi semitha?

Iimpendulo: Ayizizo zonke izixhobo ezingaphandle ezixhasa ukulinganisa okwangoku kwiDC. Kodwa wena unokusebenzisa uninzi lwezixhobo eziphezulu ukulinganisa imisinga yefomathi yeDC.

Q: Ngaba kuya kufuneka ndiye iimitha ezininzi okanye imitha eligaqa?

Iimpendulo: Ewe, nangona ii-multimeter zigubungela inani elikhulu lemilinganiselo, iimitha zokubamba zingcono kumanqanaba aphezulu okwangoku kunye nevolthi kunye nokuguquguquka kwendlela yokusebenza. Unokuthenga imitha yokubamba ukuba ukulinganisa okwangoku yeyona nto iphambili.

Q: Yeyiphi imilinganiselo eyona nto kugxilwe kuyo kwimitha yokubamba?

Iimpendulo: Nangona ezi mitha zibonelela ngeenkonzo ezimbalwa, eyona nto kugxilwe kuyo ngabavelisi yimilinganiselo yangoku.

Amazwi okugqibela

Nokuba ungungcali okanye umsebenzisi wasekhaya, isidingo semitha yokubamba efanelekileyo sihlala sibalulekile ngokulinganayo. Ngoku ukuba ugqithile kwicandelo lokuphononongwa, sicinga ukuba ufumene isixhobo esinye esifezekisa zonke iimfuno zakho.

Sifumene i-Fluke 324 inokuthenjwa ngakumbi ngokuchaneka, ngenxa yetekhnoloji ye-RMS yayo yinyani. Ngaphezulu, inemigangatho yokhuseleko egqwesileyo nayo. Esinye isixhobo esifanelwe ukuba siqwalaselwe yi-Klein Tools CL800 njengoko ihambisa ukusebenza okuphezulu ngokuzinza kodidi oluphezulu kunye nokuphila ixesha elide.

Nangona zonke iimveliso ezidweliswe apha zikumgangatho omangalisayo, sicebisa ukuba ukhethe imitha ubuncinci eneempawu eziyinyani-i-RMS. Inqaku elinjalo eliza kukunceda uthathe imilinganiselo echanekileyo. Kuba, ekupheleni kosuku, ukuchaneka kuko konke okubalulekileyo.

NdinguJoost Nusselder, umseki weZixhobo zeGqirha, umthengisi womxholo, kunye notata. Ndiyathanda ukuzama izixhobo ezitsha, kwaye kunye neqela lam ndiye ndenza amanqaku ebhlog anzulu ukusukela ngo-2016 ukunceda abafundi abathembekileyo ngezixhobo kunye neengcebiso zokwenza.