How kutarisa kurwisa zviri multimeter nokuti yakayerwa mirayiridzo

Nyaya ino inotsanangura kuti kuedza kurwisa munhu multimeter. Uyezve, unogona uyere uno, kuti voltage pakati maviri pfungwa, uye prozvanivat matunhu. Zvichienderana mhando mudziyo, rinogona kushandiswa kuongorora diodes, transistors nezvimwe redhiyo zhinji.

Ndezvipi multimeter?

Yamboshandiswa raundi (analoginen) meter, asi zvino vazhinji kushandisa digitaalinen sezvo yamunenge.

Pointer huchashandiswa akangoshandisa nenyanzvi. Anoshanda zvakanakisisa mune zvakawanda redhiyo mafungu uye remagetsi minda, hakufaniri kuva zvionera simba nemushonga, pasina iro digitaalinen multimeters havagoni kushanda. Panyaya iyi, kururama mashoko avo pamwero mukuru kuchinjwa kusakara pamusoro mabhatiri. Vanogona damage electrostatic buditsa usingabereki kukanganisa analoginen tester.

Multimeter raundi anoshanda ammeter vakapakata haizoshandisi, shunts uye voltage vanokamura, kuubvumira chinja modes mu mabasa siyana mano. Mukusiyana, digitaalinen mudziyo anoratidza migumisiro fananidzo uye pakuverenga musiyano akayera parameters uye nezvaanoda.

Kunyatsogona uchishandisa mano

Nerimwe meter, hunhu izvo rakasiyana nevamwe, ane kuyerwa yayo chaiyo, asi pane fanira mitemo marudzi ose namano.

Kuenda mumwe pakuvara mudziyo, uyewo zvaida nerwodzi siyana parameters rinoshandisa imwe chinja.

Kuyerwa dzinoitwa ne pamusoro simbi zvinoisa pamwe insulated Pazvibato kuna conductors.

The akayera parameter ukoshi anofanira kuva mukati hwakagadzwa Range chinja. Kuyerwa vanotanga akaita pamusoro pemasimba zvisungo, uye ipapo chinja mashandiro zvinodiwa zvakarurama.

The voltmeter zvakabatana mbiri pfungwa pamwe potentials zvakasiyana.

Kuyera kuitika kusimba pave mukaha ari kutenderera zvemagetsi uye ammeter chokuita nayo.

Nemishonga akanga akayera pamusoro chinhu, akochonorwa kubva dunhu, kubudikidza nepariri magetsi kubva pakuvara bhatiri chikwata.

Vachiongorora nhema waya zvakabatana kuti with Jack ane danda "-", pamwe tsvuku - kuna VΩmA Jack kuti zvakanaka danda.

Available siyana yemashoko multimeters, akasiyana zviri basa. Mumwe nomumwe wavo mirayiridzo zvakabatanidzwa mugadziri kuti: sei kuyera uye chinja modes.

midziyo DMM

Hwaro kushanda vakawanda mienzaniso zvakangofanana. Pangave siyanei mifananidzo nekuyera zvatinorambidzwa uye yokuwedzera mabasa. All basa uye kuzvidzora zvinhu dziri pamberi Panel: ufambe modes nezvisungo, LCD, connectors nokuda Yatanga Kuongorora.

The zvemberi mano vapiwa sarudza nekuyera siyana.

Yatanga Kuongorora zvakagadzirirwa chiratidzo Kupfuudzwa kubva yemagetsi redunhu mudziyo zvinhu. Kwavari, ari mudziyo uri vatatu pedyo cheap car insurance. In nokuyerwa nguva dzose inofanira kuchengetedzwa chete insulated pamupinyi.

musimboti oparesheni

Electric mita rinonyanya yakaderera-magumo mienzaniso kumhanya pamusoro Chip 1CL7106.

Apo akayera voltage chiratidzo iri kusvitsa kubva chinja kusvika mazano 31 Via imwe resistor R17.

Kuyera pamwero mukuru DC mudunhu chokuita pakakoromoka multimeter. Amperage paakaziva resistors zvichienderana zvakafanorongwa siyana, ipapo voltage donhwe kubva kwavari mazano 32.

The dhayagiramu rinoratidza dzinokosha mabasa chete. Vazhinji mhando vane dzimwe. Ndeupi mutinhimira zvakanakisisa, mumwe User anosarudza, zvichienderana chaizvo ari kuyerwa.

musimbwa chipimo redunhu

Pasinei mhando zvakanga multimeter, ohmmeter kushanda iri dzinenge dzose. Most kazhinji achiongorora tichibatsirwa resistors, transformers, inductors uye serviceability yacho fiyuzi. Below itsanangudzo Mufananidzo nokuyerwa resistors.

Kune vakashandisa bhuku resistors R1 ... R6 uye voltage kutyaira R101 uye R103. In nokuyerwa muoti uye rinofananidza Munongedzo chiyamuro voltage akaenzana nhamba iri chakayerwa uye bhuku resistances.

The mudziyo chinoshandiswa kuziva hwatsvuka chuma, iri Kuparara capacitor mahwendefa, vachiongorora kuvimbika akadhindwa conductors pamusoro yemagetsi mapuranga.

How kuyera kurwisa?

How kutarisa kurwisa zviri multimeter, tapota verenga mirayiridzo, asi nzira iri zvakawanda yokutevedzera. On kurwisa tester chikamu Kunoonekwa nokuva "naOmega". Zvakafanana mhando M832 yokutevedzera M83h, MAS83x nekuyera mitemo 5: 200 Ohm, 2 K, 20 K, 200 K, 2 M. Uyezve, 6-nzvimbo inoshandiswa nokuda chamazuva ngetani. Bhero iri kusashanda kana kurwisa pakati Yatanga Kuongorora kuti asingasviki 50 ohms. At kwavo interconnecting mudziyo anoratidza nemishonga ukoshi zvishoma pamusoro razero. Apo akayera kukosha kadiki nemishonga, mutengo iri subtracted kubva mukuverenga.

Somuenzaniso, kana resistor ane nemishonga iri vanenge 1.5-7 K multimeter kuti kuyera M832 asarudze Range panogumira 20 K.

Kusiyana nemamwe mano, imwe ohmmeter anogona kuyera risingazivikanwi nemishonga chero chikuva, haizoiti kukundikana kwayo. Kana panovira asingadi dzinoenderana pamwero zvakakodzera, chidzitiro achava kiya mumwe kana razero. Muchiitiko chokutanga zvakafanira kuwedzera rokumusoro panogumira tambo siyana, uye yechipiri - kutapudzwa.

Teererai! Usati tarisa multimeter nemishonga, beginners kazhinji hanya maoko zvose mhenyu nhengo uye zviteshi Yatanga Kuongorora. Somugumisiro, mashoko resistor kunoyerwa uye muviri kuti anotanga kukanganisa ari kuverengwa. Hazvina kunyanya zvikuru kana aizviti ukoshi unotaurwa megohms. Output mashoko uye unogona kubata vachiongorora neruoko rumwe chete. Izvi zvinofanira kuonekwa kana kuedza chero zvemagetsi zvinoriumba.

Kana akagadzira zvemagetsi midziyo inowanzonzi kunodiwa kuyera kurwisa zviri resistor soldered kupinda mudunhu. Kuti tiwane kuverenga yakarurama, zvakakodzera unsolder mumwe mhedziso. Tambo redunhu anofanira kuva chete ane ohmmeter uye resistor. Kana soldered kusvikira dunhu, ari kurwisa pakati zviteshi uye dzimwe nhepfenyuro zvinoriumba achange kungopfupikiswa. Kana chinhu ane yakawanda kumhedziso, nokuti kuyerwa anofanira kutanga zvachose vypayat.

MUENZANISO musimbwa chipimo

Kunodiwa kuyera kurwisa pamusoro coils, iyo harizivikanwi dhinominesheni. Kazhinji, yokumusoro muganhu ndiyo kufadza. Kana chinja yakaiswa kuti "2M" uye zvakabatana coils zviteshi vachiongorora zeroes zvose kuoneka pamadziro. Izvi zvinoreva kuti yemagetsi nemishonga Coils vari, asi nekuyera siyana vakasarudzwa kwakarasika.

Zvino unofanira kuisa mashoko chinja kuti "200 K", iro unoenderana zvakawanda 0-200 K uye kubatanidza multimeter Yatanga Kuongorora zvakare. On the kurwisa mutengo achaparadzwa uratidzwe, izvo zvakaenzana 00,5 ohms. Kana uchapupu pamberi grade pfungwa pane zeros, iwe ipapo kuda kuderedza tambo siyana zvakare. Akatevera nzvimbo chinja mudziyo vachatitaka 0,73 ohms. ukoshi ichi hachisisiri zvakadaro.

Kana uchida kuwana mamwe yakarurama mugumisiro, zvakakodzera kuderedza kuwanda kuti 0-2 ohms uyere zvakare. Panguva 0,751 ohms zvichabviswa kuratidzwa.

Kana iwe ufambe pamusoro huchashandiswa acharatidza "1" tambo chikuva 0-200 ohms, izvo zvinoreva kuti akayera kukosha kwazvo yokumusoro muganhu.

Asati prozvanivat coils multimeter kuvapo pamawere, zvakakodzera yokugadza chinja kusvikira rudzi urwu, uye ipapo kubatanidza bvunzo kunotungamirira mhedziso yayo. Kuvapo inzwi chiratidzo kunoratidza kuti mudunhu iri kushanda. Kana bhaza "nyarara", zvinoreva kuti coils breakage.

Yatanga Kuongorora kuti multimeter

Yatanga Kuongorora kupinda bhajeti testers vasiri high quality, pasinei nokuti vamwe vavo kutarisa zvikuru. Kana iwe vatenge chinofanira kusarudzwa zvokuti waya ndiye kwakavharwa nenyama uye wakabatanidzwa muchibatirira pamukova nzvimbo.

Conductive miromo dzinoitwa muchimiro tsono, kuti kukwanisa kubaya kuti waya kuputira kana kuti kuwana mhedziso mune Chips aine danho duku. Zvinhu zvakashandiswa yendarira, riri havaratidzi akabata chinhu mucheto. Uyezve, tsono chisimbiso muparadzane munzvimbo.

The chando waya kuputira anova vemitsipa uye vachinyara kushandisa chiridzwa.

Chimwe drawback - vainyeperwa kuonana iri panosangana mudziyo. Kana bhero Zvirongwa chinowanzoonekwa akarasika.

Yatanga Kuongorora nokuti mita kazhinji kuti kurera kuti mureza nemaoko avo. Kuti izvi zvidaro, tambo vari soldered kune lugs uye connectors ari slots dzakasarudzwa vamwe. Muromo anofanira zaludit kuti kana iwe tinya pfungwa nokuyerwa kurwisa mutengo ndiyo yakazvimirira inosimbisa kufurirwa.

Zvinokurudzirwa kutsiva waya ane makuru muchinjikwa chikamu kuitira kuderedza kurwisa kwavo. Waya dziri mwanda nemishonga 0.2-0.5 ohms, uye dzimwe nguva yepamusoro.

Ongorora ohmmeter pamberi basa

Mukushanda ari mita conductors vachiongorora vapfeke, hunobata nokuyerwa zvabuda ( "kusvetuka" chiratidzo). Pamberi basa vanofanira kuongororwa. Kuti aite izvi, huchashandiswa chinja wakaiswa kuti yakadereresa siyana uye pfupi-circuited pamwe nemumwe Yatanga Kuongorora. Pashure palpated insulated conductors ayo. Kana murombo kuonana mukati kuratidzwa achaita kutsauka kuverengwa. Unogonawo tarisa dipstick iri chamazuva muoti. Kana bhero zvichapfuura uye kuzodzosera achizoonekwa, zvinoreva kuvimbika vokukurukura.

Power zvitengeswa

The mudziyo akaiswa "Krona" bhatiri 9 V. Kana mita chidzitiro yakaonekwa bhatiri kuvake, zvinoratidza kuti akafa uye anofanira kutsiviwa. Zvikasadaro, kuti kuverengwa vachava kururama.

On vamwe multitester ipapo vanobatisisa bhatani. Kana chakatsindirwa, ari kuverengwa akanyorwa kuti kuverenga nyore. Kudzokera dzose oparesheni, zvakakodzera achizviendesa bhatani.

mhedziso

Mumwe muenzaniso multimeter chakatengeswa mirayiridzo kuti inofanira nyatsonzvera, nokuti mumwe mhando mudziyo ine peculiarities ayo.

Usati tarisa multimeter nemishonga vanofanira kuona anofungidzirwa kukosha kwayo. Kana kukosha ohms shoma, chinhu chacho havagoni unsolder kubva bhodhi. Kana divi mune megohms resistor vanofanira desoldering uyere isingatsiki nembambo noruoko.