Conas a sheiceƔil an bhfuil sreang te le multimeter
Ćbhar
CibĆ© an bhfuil tĆŗ ar tĆ oibriĆŗ le ciorcaid leictreacha nĆ³ dĆreach ag iarraidh a thuiscint conas a oibrĆonn siad, tĆ” sreang te nĆ³ beo ar cheann de na rudaĆ is tĆ”bhachtaĆ le breathnĆŗ amach.
Is Ć©ard is sreang the ann nĆ” sreang a mbĆonn sruth leictreach ag dul trĆd i gcĆ³naĆ.
Is beag duine a bhfuil a fhios conas Ć© a aithint, agus le sreanga den dath cĆ©anna, bĆonn sĆ© nĆos deacra fĆ³s.
Ar Ć”mharaĆ an tsaoil, tĆ” tĆŗ tagtha go dtĆ an Ć”it cheart.
MĆnĆmid an prĆ³iseas iomlĆ”n maidir le conas a sheiceĆ”il an bhfuil sreang te le multimeter.
Ar aghaidh linn.
Conas a sheiceƔil an bhfuil sreang te le multimeter
Socraigh an multimeter go dtĆ an raon 250VAC, cuir an luaidhe tĆ”stĆ”la dearg ar cheann de na sreanga, agus cuir an luaidhe tĆ”stĆ”la dubh ar an talamh. MĆ” tĆ” an sreang te, taispeĆ”nann an multimeter ceachtar 120 nĆ³ 240 volta, ag brath ar an aschur cumhachta.
TĆ” an prĆ³iseas simplĆ go leor, ach nĆ hĆ© sin go lĆ©ir.
- Caith cosaint
Nuair a dhĆ©anann tĆŗ tĆ”stĆ”il fĆ©achaint an bhfuil sreang te, is cinnte go mbeifeĆ” ag sĆŗil le sruth trĆthi.
NĆ theastaĆonn uait a bheith leictreamharaithe, mar sin cuir ort rubar cosanta nĆ³ lĆ”mhainnĆ inslithe sula dtĆ©ann tĆŗ isteach ann.
Caitheann tĆŗ gloinĆ cosanta freisin i gcĆ”s sprĆ©ach, coinnigh do lĆ”mha ar an gcuid plaisteach nĆ³ rubair de na tĆ³ireadĆ³irĆ ilimĆ©adair, agus coinnigh na sreanga Ć³ bheith ag teagmhĆ”il lena chĆ©ile.
Mar thosaitheoirĆ, dĆ©anann tĆŗ oiliĆŗint le sreanga dĆfhuinnimh chun botĆŗin a sheachaint.
- Socraigh an t-ilmhĆ©adar go dtĆ an raon 250V AC
ĆsĆ”ideann dāfhearais sruth ailtĆ©arnach (voltas AC) agus socraĆonn tĆŗ dāilmhĆ©adar chuig an raon is airde chun an lĆ©amh is cruinne a fhĆ”il.
TĆ” an raon 250VAC optamach mar is Ć© 240V an voltas uasta a mbeifeĆ” ag sĆŗil leis Ć³ fhearais agus asraonta leictreacha.
- scoir oscailte
Chun a sheiceĆ”il cĆ© acu de na sreanga san asraon atĆ” te, nĆ mĆ³r duit an t-asraon a oscailt.
NĆl ort ach a bhaint as na scriĆŗnna go lĆ©ir a bhfuil na pĆosaĆ le chĆ©ile agus a tharraingt amach na sreanga.
De ghnĆ”th tĆ” trĆ shreang sa soicĆ©ad: cĆ©im, neodrach agus talamh.
- Cuir braiteoirĆ ar shreanga
De ghnĆ”th nĆ choinneoidh ach sreang beo nĆ³ te an sruth nuair a bhĆonn sĆ© oscailte, agus dĆ©anann sĆ© seo an tĆ”stĆ”il iomlĆ”n nĆos Ć©asca fĆ³s.
Cuir an luaidhe thĆ”stĆ”la dearg (dearfach) ar shreang amhĆ”in agus cuir an luaidhe tĆ”stĆ”la dubh (diĆŗltach) go talamh.
- TorthaĆ rĆ”ta
Tar Ć©is duit do thaiscĆ©alaithe a shuĆomh, seiceĆ”lann tĆŗ na lĆ©amha ilimĆ©adair.
MĆ” lĆ©ann an multimeter 120V (le sreanga soilsithe) nĆ³ 240V (le asraonta fearas mĆ³r), tĆ” an sreang te nĆ³ beo.
Cuimhnigh gurb Ć an sreang te an ceann a bhfuil an taiscĆ©alaĆ dearg uirthi nuair a gheobhaidh tĆŗ an lĆ©amh seo.
TĆ” an taiscĆ©alaĆ dubh fĆ³s bunaithe.
LĆ©irĆonn na sreanga eile (neodrach agus talamh) lĆ©amha sruth nialasach.
Bain ĆŗsĆ”id as pĆ”ipĆ©ar nĆ³ tĆ©ip chumhdaigh chun an sreang te a mharcĆ”il ionas gur fĆ©idir leat Ć© a aithint go hĆ©asca amach anseo.
Seo fĆseĆ”n a thaispeĆ”nann go beacht conas an sreang te a chinneadh le ilmhĆ©adar:
Mura bhfaigheann tĆŗ lĆ©amh ilimĆ©adair, d'fhĆ©adfadh an fhadhb a bheith leis na sreanga. TĆ” alt againn faoi shreanga a aimsiĆŗ le ilmhĆ©adar.
TĆ” bealaĆ eile ann chun a chinneadh cĆ©n sreang atĆ” te.
Ag baint ĆŗsĆ”ide as tĆ”stĆ”laĆ voltais neamhtheagmhĆ”la
Bealach nĆos Ć©asca agus nĆos sĆ”bhĆ”ilte chun a chinneadh cĆ©n sreang atĆ” te nĆ” tĆ”stĆ”laĆ voltais neamhtheagmhĆ”la a ĆŗsĆ”id.
Is glĆ©as Ć© tĆ”stĆ”laĆ voltais neamhtheagmhĆ”la a lasann nuair a chuirtear sruth leictreach i bhfeidhm air. NĆ fhĆ©adfaidh sĆ© dul i dteagmhĆ”il le sreang lom.
Le seiceĆ”il an bhfuil sreang beo, nĆl le dĆ©anamh ach barr an tĆ”stĆ”laĆ voltais neamhtheagmhĆ”la a chur ar an sreang nĆ³ ar an asraon.
MĆ” tĆ” an solas dearg (nĆ³ aon solas eile, ag brath ar an tsamhail) ar siĆŗl, tĆ” an sreang nĆ³ an calafort sin te.
TĆ” roinnt tĆ”stĆ”laithe voltais neamhtheagmhĆ”la deartha freisin chun bĆp agus iad gar don voltas.
CĆ© go bhfuil an glĆ©as seo nĆos sĆ”bhĆ”ilte le hĆŗsĆ”id, is uirlis ildĆ”nach Ć© an t-ilmhĆ©adar chun comhphĆ”irteanna leictreacha eile a thĆ”stĆ”il.
Is fĆ©idir leat ilmhĆ©adar a ĆŗsĆ”id go roghnach chun a sheiceĆ”il cĆ© acu sreang atĆ” neodrach agus atĆ” talmhaithe.
Ag baint ĆŗsĆ”ide as cĆ³id datha
Bealach eile lena rĆ” cĆ©n sreang atĆ” te nĆ” cĆ³id datha a ĆŗsĆ”id.
CĆ© gurb Ć© an modh seo an ceann is simplĆ, nĆl sĆ© chomh cruinn nĆ” chomh hĆ©ifeachtach le modhanna eile.
TĆ” sĆ© seo toisc go n-ĆŗsĆ”ideann tĆortha Ć©agsĆŗla cĆ³id datha sreinge Ć©agsĆŗla agus uaireanta is fĆ©idir le gach sreang a bheith ar an dath cĆ©anna.
FĆ©ach ar an tĆ”bla thĆos le do thoil chun na cĆ³id dhath coitianta do do thĆr a chinneadh.
Is sreang beo nĆ³ fuinnmhithe Ć© lĆne aon phas.
Mar a fheiceann tĆŗ, nĆl cĆ³id datha uilĆoch agus nĆ fĆ©idir brath orthu go hiomlĆ”n.
ConclĆŗid
Is Ć© ceann de na nĆ³sanna imeachta is Ć©asca a chinneadh cĆ© acu sreang atĆ” te.
BĆ cĆŗramach, nĆ ĆŗsĆ”ideann tĆŗ ach ilmhĆ©adar chun lĆ©amh an voltais a sheiceĆ”il.
MĆ” bhĆ sĆ© cabhrach, is fĆ©idir leat Ć”r n-alt a sheiceĆ”il maidir le comhphĆ”irteanna leictreacha eile a thĆ”stĆ”il le ilmhĆ©adar.
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CƩn sreang atƔ te mƔ tƔ an dath cƩanna ar an dƔ cheann?
TaispeĆ”nann an sreang te an lĆ©amh ilimĆ©adair nuair a bhĆonn sĆ© ag tĆ”stĆ”il. DĆ©anann tĆŗ tĆ”stĆ”il trĆd an taiscĆ©alaĆ dearg a chur ar an tsreang agus an taiscĆ©alaĆ dubh a chur ar an talamh chun lĆ©amh 120VAC nĆ³ 240VAC a fhĆ”il.
Conas a thƔstƔiltear sreang the go talamh?
Chun an sreang te a thĆ”stĆ”il go talamh, beidh ilmhĆ©adar uait. Cuir an luaidhe tĆ”stĆ”la dearg ar shreang amhĆ”in agus cuir an luaidhe tĆ”stĆ”la dubh ar an talamh. TaispeĆ”nann an sreang te lĆ©amh 120VAC nĆ³ 240VAC.
Conas a chinntiĆŗ go bhfuil an chumhacht mĆŗchta le multimeter?
Socraigh an multimeter go dtĆ an raon voltais AC is airde, cuir an luaidhe tĆ”stĆ”la dearg ar an sreang agus an luaidhe tĆ”stĆ”la dubh ar an talamh. MĆ” tĆ” do chumhacht mĆŗchta, nĆ thaispeĆ”nann an t-ilmhĆ©adar aon lĆ©amh voltais.