Momwe mungagwiritsire ntchito multimeter kwa dummies

Zamkatimu

Magalimoto amakono sangachite popanda zamagetsi; komanso, amangodzaza ndi ma magetsi ndi zida zamagetsi. Kuti muwone msanga zovuta m'mayendedwe amagetsi m'galimoto, mufunika chosowa ngati multimeter.

M'nkhaniyi, tikambirana zosintha kwambiri ndikuwunikanso mwatsatanetsatane momwe tingagwiritsire ntchito multimeter ya dummies, i.e. kwa iwo omwe sanagwiritsepo chipangizochi m'manja, koma akufuna kuti aphunzire.

Kanema momwe mungagwiritsire ntchito multimeter

Ma multimeter wamagetsi wamagetsi
Multimeter. Momwe mungagwiritsire ntchito multimeter. Woyesa. Malizitsani malangizo amomwe mungagwiritsire ntchito woyeserera.

Zolumikizira zazikulu ndi ntchito zama multimeter

Kuti timvetsetse zomwe zili pachiwopsezo, tipereka chithunzi chowonera cha multimeter ndikusanthula mitundu ndi zolumikizira.

Momwe mungagwiritsire ntchito multimeter kwa dummies

Tiyeni tiyambe ndi zolumikizira komwe tingalumikizire mawaya. Waya wakuda wolumikizidwa ndi cholumikizira chotchedwa COM (COMMON, chomwe chimatanthawuza kumasulira). Waya wakuda nthawi zonse amalumikizidwa ndi cholumikizira ichi, mosiyana ndi chofiira, chomwe nthawi zambiri chimakhala ndi zolumikizira ziwiri zolumikizira:

  • Cholumikizira cha VRmA - chomwe chimayeza kuyeza kwamagetsi, kukana ndi mafunde opitilira 10 A (Ampere);
  • Cholumikizira cha 10A - chimayeza kuyerekezera mpaka 10 A.

Ntchito ndi magulu a multimeter

Kuzungulira pointer yapakati, mutha kuwona magawo omwe adalekanitsidwa ndi zolemba zoyera, tiyeni tiwaswebe aliwonse a iwo:

  • DCV - (DC - molunjika pakali pano, V - magetsi) Mphamvu zamagetsi za DC zimayesedwa pogwiritsa ntchito njirayi. Ma volts ndi millivolts amawonetsedwa pamiyeso;
  • ACV - (AC - kusinthasintha kwamakono, V - magetsi) motsatana AC voltage imayesedwa;
  • Kuyeza kwa DCA - (DC - direct current, A - Amperes) kwamakono (chipangizocho chikuwonetsa kuchuluka kwa ma 200amperes mpaka 200 milliamperes);
  • 10A - osiyanasiyana osiyana kuyeza DC yayikulu pakadali pano, chifukwa cha izi muyenera kusunthira waya wofiira mpaka cholumikizira pamwamba;
  •  hFE - njira yoyesera ya transistor;
  • Omega - kuyeza kwamiyeso.
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  Trambler: chipangizo, kusokonekera, cheke

Kuyeza kwa magetsi a Battery DC

Tiyeni tipereke chitsanzo chosonyeza momwe tingagwiritsire ntchito multimeter, yomwe, kuyeza DC yamagetsi a batri wamba.

Popeza poyamba timadziwa kuti magetsi a DC mu batri ali pafupifupi 1,5 V, titha kusintha nthawi yomweyo kukhala 20 V.

Zofunika! Ngati simukudziwa magetsi a DC pachida kapena chida choyezera, ndiye kuti nthawi zonse muyenera kuyika chosinthira pamtengo wokwanira womwe mukufuna ndikuchepetsa ngati kuli kofunikira kuti muchepetse cholakwikacho.

Tidayatsa njira yomwe tikufuna, pitani molunjika muyeso, ikani kafukufuku wofiyira kumbali yabwino ya batri, ndipo wakudawo mbali yolakwika - timayang'ana zotsatira pazenera (zikuyenera kuwonetsa zotsatira 1,4-1,6 V, kutengera batiri).

Makhalidwe a kuyeza AC voteji

Tiyeni tiwone bwino zomwe muyenera kumvetsera ngati muyeza mpweya wa AC.

Musanagwire ntchito, onetsetsani kuti mwawona ma waya omwe alowetsedwa, chifukwa ngati, mukayesa zina, waya wofiira umalowetsedwa mu cholumikizira poyesa zamakono (10 cholumikizira), dera lalifupi lidzachitika, lomwe silofunika kwenikweni .

Kachiwiri, ngati simukudziwa ma voliyumu a AC, ndiye kuti mutembenuzire pamalo akewo.

Mwachitsanzo, m'malo apakhomo, timadziwa kuti magetsi azitsulo ndi zida zamagetsi ndi pafupifupi 220 V, motsatana, pachidacho mutha kukhazikitsa 500 V mosiyanasiyana pamtundu wa ACV.

Momwe mungayezere kutayikira kwaposachedwa mgalimoto yokhala ndi multimeter

Tiyeni tiwone momwe tingayezere kutayikira kwapompopompo mugalimoto pogwiritsa ntchito multimeter. Chotsani zamagetsi zonse pasadakhale ndikuchotsa kiyi pamagetsi oyatsira. Chotsatira, muyenera kutaya chosakira kuchokera kubatire (siyani malo osasinthika osasinthika). Tikuwonetsa multimeter pamiyeso yoyezera molunjika ya 10 A. Musaiwale kukonzanso waya wofiira kuti ukhale cholumikizira (chapamwamba, chofanana ndi 10 A). Timagwirizanitsa kafukufuku umodzi ndi osachiritsika pa waya wosadulidwa, ndipo chachiwiri ndikulakwitsa kwa batri.

Zambiri pa mutuwo:
  Momwe mungakulitsire moyo wama disc anu

Mukadikirira pang'ono kuti miyezo isayime kudumpha, muwona zomwe zikufunika kutayikira m'galimoto yanu.

Kodi kutayikira kovomerezeka ndi kotani

  • Mtengo wovomerezeka wochepa ndi 15 mA;
  • Mtengo wokwanira wotulutsira pakadali mgalimoto ndi 70 mA.

Ngati mtengo wanu wapamwamba udapitilira, ndiye kuti muyenera kupita kukasaka kutayikira. Zipangizo zamagetsi zilizonse mgalimoto zimatha kutulutsa.

Mfundo yayikulu pakusaka ndikutulutsa mafyuzi ndikuwona momwe kutayikira kumakhalira. Ngati mwachotsa lama fuyusiwo ndipo kutayikira kwa chipangizocho sikunasinthe, ndiye kuti zonse ndi zachilendo ndi chipangizochi. Ndipo ngati atachotsa mtengowo adayamba kudumpha, ndiye kuti china chake sichili bwino ndi chipangizocho.

Mafunso ndi Mayankho:

Momwe mungayesere voteji ndi multimeter? Njira yoyezera voteji imayikidwa, ndikuyika malire oyezera kwambiri (m'magalimoto, chizindikiro ichi ndi 20V), komanso ndikofunikira kusankha njira yoyezera DC.

Kodi Continuity imagwira ntchito bwanji pa Multimeter? Multimeter ili ndi gwero lamphamvu la munthu (chinsalucho chimayendetsedwa ndi batri). Pa gawo loyesedwa la mawaya, mphamvu yamtengo wapatali imapangidwa ndipo zopuma zimalembedwa (kaya kukhudzana pakati pa ma probes kutsekedwa kapena ayi).

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