Gusuzuma imikorere ya kabili, kwiyambira birakenewe gupima iby'ikinyamakuru. Kubwibi hariho igikoresho cyihariye - megaommeter. Itanga voltage ndende kumugeni wapimwe, ingamba zigenda zinyuramo, nibisubizo biva kuri ecran cyangwa igipimo. Nigute wakoresha megaometer hanyuma utekereze muriyi ngingo.
Igikoresho n'ihame ryo gukora
Megaommeter nigikoresho cyo kugenzura iby'ikirenga. Hariho ubwoko bubiri bwibikoresho - electronic no kurasa. Utitaye ku bwoko, megaommeter iyo ari yo yose igizwe na:
- Inkomoko ya voltage ihoraho.
- Metero.
- Ecran ya digitale cyangwa igipimo cyo gupima.
- Imitsi, hakoreshejwe impagarara ziva kuri igikoresho cyashyikirijwe ikintu cyapimwe.
Nuburyo Megaommeter (ibumoso) na elegitoronike (iburyo) bisa
Mu bikoresho byo kurasa, voltage ikozwe na dymoamo yashyizwemo. Itwarwa na metero - ihindura igikoresho hamwe nimikorere runaka (2 ihinduka kumasegonda). Moderi ya elegitoroniki ifata ubutegetsi murusobe, ariko irashobora gukora muri bateri.
Imikorere ya megaommeter ishingiye ku mategeko ya Ohm: i = u / r. Igikoresho gipima iki gihe kigenda hagati yibintu bibiri bihujwe (imitsi ibiri ya cable, amatungo, nibindi). Ibipimo bikozwe muri voltage ya calibrated, agaciro kacyo kizwi, uzi ibigezweho kandi bya voltage, birashobora kuboneka kurwanya: r = u / i, ikora igikoresho.
Gahunda ya Magummester
Mbere yo kugenzura Probe yashyizwe muri Jack ikwiye ku gikoresho, nyuma bifitanye isano nikintu cyo gupima. Iyo kwipimisha, voltage ndende yakozwe mubikoresho, yoherezwa mubintu bigenzurwa. Ibipimo byo gupima byerekanwe muri Muma Mega (IOM) ku gipimo cyangwa kuri ecran.
Korana na Megaommeter
Iyo ugerageza, Megaommeter itanga voltage ndende cyane - 500 V, 1000 V, 1000 V, 1000 V., 2500 V. Kubijyanye nibi, ibipimo bigomba gukorwa neza. Mu bigo byo gukora mu gikoresho, abantu bafite itsinda ryumutekano w'amashanyarazi bitarenze ku ya 3 bemerewe.
Mbere yo gupima megaommeter, muminyururu yikizamini yaciwe kubutaka. Niba ugiye kugenzura imiterere yinyoni munzu cyangwa murugo, ugomba kuzimya impinduka ku nkinzo cyangwa gufunga amacomeka. Nyuma y'ibikoresho byose bya semiconductor byazimye.
Imwe mumahitamo ya Megohmmeter igezweho
Niba ugenzuye amatsinda ya sock, fata ibara ryibikoresho byose bikubiye muri bo. Niba iminyururu yoroshye igenzuwe, amatara yoroheje arazimya. Ntibazahagarara voltage. Mugihe bagenzura ibijyanye na moteri, na bo basuzuguwe rwose kubera amashanyarazi. Nyuma yibyo, ubutaka bufitanye isano numuzunguruko wageragejwe. Kugira ngo ukore ibi, insinga yahagaze mu gice cyambukiranya byibuze 1.5 mm2 ifatanye na Tiro ya "Isi". Iyi niyo bita byimukanwa. Kubikorwa byiza, iherezo ryubusa hamwe numuyobora wambaye ubusa wometse ku mbuto yumye. Ariko iherezo ryambaye ubusa rigomba kuboneka - kugirango ubashe kubakoraho ku nsinga ninsinga.
Ibisabwa kugirango ubone akazi
Nubwo ushaka murugo gupima kurwanya insinge za kabili, mbere yo gukoresha megaommeter birakwiye ko bamenyereye ibisabwa mumutekano. Amategeko shingiro ni menshi:
- Komeza ibibazo gusa kugirango bigabanijwe kandi bibujijwe no guhagarara.
- Mbere yo guhuza igikoresho, uzimye voltage, menya neza ko nta bantu bari hafi (munzira yose yapimwe, niba tuvuga insinga).
Nigute wakoresha megaommeter: Amategeko yumutekano wamashanyarazi
- Mbere yo guhuza Probe, Kuraho voltage isigaye ukoresheje ihuriro ryibitabo. Kandi uzimye nyuma yuko ikipe yashyizweho.
- Nyuma ya buri gipimo, gukuraho voltage isigaye hamwe hamwe hamwe hamwe.
- Nyuma yo gupima inshingano zapimwe, guhuza ubutaka bwimukanwa, ukuyemo amafaranga asigaye.
- Kora muri gants.
Amategeko ntabwo arugoye cyane, ariko umutekano wawe uterwa no kubishyira mubikorwa.
Uburyo bwo Guhuza Probe
Igikoresho gisanzwe gifite ibibanza bitatu byo guhuza Probe. Baherereye hejuru y'ibikoresho kandi barasinywe:
- E - ecran;
- L-umurongo;
- S - isi;
Hariho kandi ingendo eshatu, imwe muri zifite inama ebyiri kuruhande rumwe. Ikoreshwa mugihe ukeneye gukuramo imigezi yatemba kandi ikazirika kuri ecran ya kabili (niba ihari). Kuri divert ebyiri ziyi probe hari ibaruwa "E". Gucomeka biva muri uku gukuraho kandi bishyirwa mucyari gihuye. Igicapo cya kabiri cyashyizwe mumwanya "l" - umurongo. Mwicyari cyisi burigihe bihuza probe imwe.
Ibyiza kuri Megaommeter
Harimo guhagarara mubyumviro byacu. Mugihe umaze ibipimo ukoresheje amaboko kugirango ubashyireho kugirango intoki zawe ziri kuri zihagarara. Nibisabwa kugirango ukore neza (ibuka voltage ndende).
Niba ukeneye kugenzura gusa ibijyanye no kurwanya inkenga nta ecran, hashyizweho probe ebyiri - imwe muri "z", undi muri terminal "l". Hamwe nubufasha bwingona cramps kumpera, duhuza probe:
- Kugerageza insinga, niba ukeneye kugenzura gusenyuka hagati yimitsi.
- Kubatuye no "gutura", niba tugenzuye "gusenyuka ku isi".
Hano hari ibaruwa "E" - iyi mpera yinjijwe mucyari gifite inyuguti imwe.
Nta yindi mibonano mpuzabitsina. Iragenzuwe kenshi no kwigunga, gukora hamwe na ecran ntibisanzwe, nkuko insinga zikingiwe mu gihe amazu n'amazu yigenga ntibikunze gukoreshwa. Mubyukuri, ntabwo bigoye cyane gukoresha megoometer. Ni ngombwa gusa kutibagirwa kuboneka kwa voltage ndende nibikenewe Kuraho amafaranga asigaye nyuma ya buri gipimo. Ibi bituma ukora imikoranire ihagaze ku nsinga yapimwe gusa. Kubwumutekano, iyi nsinga irashobora gukosorwa ku giti cyumye.
Gupima
Shyiramo votage izatanga megaometer. Ntabwo byatoranijwe uko bishakiye, ariko kuva kumeza. Hano hari megaommeter ikora hamwe na voltage imwe, harimo gukorana na benshi. Ikintu cya kabiri, cyumvikana kirushijeho kuba cyoroshye, kubera ko gishobora gukoreshwa mugupima ibikoresho bitandukanye n'iminyururu. Guhindura voltage yikizamini bikozwe nintoki cyangwa buto kumurongo wimbere yikikoresho.
| Izina ryibintu | Megaommeter voltage | Kurwanya byibuze | Inyandiko |
|---|---|---|---|
| Amashanyarazi n'ibikoresho hamwe na voltage kugeza 50 v | 100 B. | Ugomba guhuza pasiporo, ariko ntabwo ari munsi ya 0.5 | Mugihe cyo gupima, ibikoresho bya semiconductor bigomba kugenzurwa |
| Kandi, ariko voltage kuva 50 na 100 v | 250 B. | ||
| Kandi ariko voltage kuva 100 V kugeza 380 v | 500-1000 B. | ||
| Hejuru ya 380 v, ariko ntabwo birenga 1000 muri | 1000-2500 B. | ||
| Gukwirakwiza ibikoresho, ingabo, umuyobozi | 1000-2500 B. | Nibura Mω 1 | Gupima buri gice cyibikoresho byo gukwirakwiza |
| WIRINT, harimo umuyoboro woroshye | 1000 B. | Ntabwo ari munsi ya 0.5 Mama | Mubibanza byapimwe biteje akaga bifatwa rimwe mumwaka, muri druich - rimwe buri myaka 3 |
| Amagare ahagaze | 1000 B. | Nibura Mω 1 | Gupima bikorwa ku isahani yashizwemo byibuze inshuro 1 kumwaka. |
Mbere yo gukoresha megaommeter, twizeye ko hatabayeho voltage kumurongo - ikizamini cyangwa icyerekezo. Noneho, umaze gutegura igikoresho (shyiramo voltage no kurasa kugirango werekane igipimo cyo gupima) no guhuza ikipe, ukureho ubutaka usuzumye (niba wibuka, bihuza mbere yo gutangira akazi).
Icyiciro gikurikira - Dushyiramo megaommeter: kuri elegitoronike ukanda buto yikizamini, mu cyerekezo cya dynamo yo murasa. Mu kurasa, duhindukira kugeza igihe itara riri mu miturire - bivuze ko voltage isabwa mu munyururu. Muri digital mugihe runaka, agaciro ntigahungabanya agaciro. Imibare kuri ecran ni iby'ibitero. Niba atari munsi yibisanzwe (impuzandengo yasobanuwe mumeza, kandi ifatika iri muri pasiporo kubicuruzwa), bivuze ko ibintu byose ari ibisanzwe.
Uburyo bwo Gupima Megaommeter
Nyuma yo gupima kurangiye, kureka kugoreka Megohmmeter Knob cyangwa ukande kuri buto yo gupima kugeza kuri elegitoroniki. Nyuma yibyo, urashobora guhagarika iperereza, ukureho voltage isigaye.
Muri make - iyi ni amategeko yose yo gukoresha megaommeter. Amahitamo amwe azareba byinshi.
Igipimo cyo kurwanya insinge
Kenshi ugomba gupima kurwanya insinga ya kabili cyangwa insinga. Niba uzi gukoresha megaommeter, mugihe ugenzura umugozi umwe wibanze utazatwara umunota, bizakenera kurebire. Igihe nyacyo giterwa numubare wabayeho - ugomba kugenzura buri kimwe.
Ikizamini voltage voltage hitamo ukurikije niba insinga izakoreramo avoka. Niba uteganya kuyikoresha kugirango wirinde 250 cyangwa 380 v, urashobora gushiraho 1000 v (reba ameza).
Kugenzura umugozi-wibanze - ntushobora kugoreka, no kwimura bibiri byose
Kugenzura ibijyanye no kurwanya inkeri zumugozi umwe, iperereza rimwe muri Core, iya kabiri - ku ntwaro, voltage yo gutanga. Niba nta ntwaro, probe ya kabiri ifite umutekano kuri "isi" kandi nayo itanga impagarara. Niba ibyasomwe birenga 0.5 Mω, ibintu byose nibisanzwe, insinga irashobora gukoreshwa. Niba bike ari insulation, ntibishoboka kubishyira mubikorwa.
Niba ukeneye kugenzura umugozi uhagaze, kwipimisha bikorwa kuri buri shusho ukundi. Muri icyo gihe, abandi bayobora bose bagoretse mubiryo bimwe. Niba kandi ari ngombwa kugerageza gusenyuka ku "isi", insinga ihujwe na bisi ihuye yongewe kuri Harness muri rusange.
Niba hari ubukene bwabayeho, mbere yo gukoresha megaommeter, imitsi isukurwa yo kwigunga no kugoreka muburyo bwa harness
Niba umugozi ufite ecran, umutsima cyangwa ibirwanisho, bongerewe kubikoresho. Iyo ugize ibikoresho, ni ngombwa kwemeza umubano mwiza.
Habaho gupima ibijyanye no kurwanya amatsinda ya sock bibaho. Mu bihuriye hanze kuzimya ibikoresho byose, uzimye imbaraga ku nkinzo. Iperereza rimwe ryashyizwe kumurongo wubutaka, uwa kabiri ni muri kimwe mu byiciro. Ikizamini voltage - 1000 v (kumeza). Fungura, reba. Niba ihohoterwa ryapimwe rirenze 0.5 Mω, insinga ni ibisanzwe. Turasubiramo hamwe nuburi bwa kabiri.
Niba amashanyarazi yinzobere ashaje ari icyiciro gusa na zeru gusa, bigakorwa hagati yabatwara babiri. Ibipimo birasa.
Reba ibijyanye no kurwanya moteri yamashanyarazi
Kugirango usohoze ibipimo, moteri yahagaritswe nubutegetsi. Birakenewe kugera kumyanzuro yuruhande. Moteri ya Asynchrous ikorera muri voltage kugeza 1000 igeragezwa na voltage ya 500 V.
Kugenzura ibijyanye no kwigana, iperereza rimwe ryumukoresha wa moteri, icya kabiri kindikirwa kuri buri myanzuro. Urashobora kandi kugenzura ubusugire bwubahirizwa hagati yabo. Kuri iyi cheque, birakenewe gushiraho umuyaga.
Ingingo ku ngingo: Gushiraho ikiganza ku rugi rwa plastike