Me pēhea te ki te whakamahi i te multimeter ki "horoi"? Me pēhea te ki te waea waea multimeter

Ko te mita ko te mea mo te whanganga hiko, te taua rite te awhe ki te whakatau i te tawhiti, te wā, matawā ranei mo te taimaha toenga. takoto Ko tōna rerekētanga i roto i te meka e ko te reira maha-mahi, arā e taea te ine i magnitudes rerekē. Te nuinga multimeters i te whakakā e taea whiriwhiri koe te mea e hiahia ana koe ki te ine i.

Ko ine te pūrere?

Multimeters ahei ki te whanganga nāianei, parenga ia me te ngaohiko, me te mana ara iahiko tonu mā te faaohiparaa i te tohu i roto i te kaupapa e hono electrically mea e rua. Ko te pai tenei, mo te tauira, ka tāuta waea a ka romia e waea whakapiringa ranei. He ararā tohu e ko reira te hononga, me kahore momotuhia te. Ka taea hoki e koe te whakamahi i te pūrere ki te kia e te hononga hiko i waenganui i nga conductors e rua he ngaro. Te reira e tauturu ki te tautuhi i te ara iahiko poto.

Ka taea e Multimeter whakamātau te p. He rite te piha kotahi-ara, haere he nāianei i roto i te kotahi anake aronga. kia rerekē ngā kaiwhakanao rerekē o te whakatinanatanga. A, no te mahi ki te p, ki te he te reira pahuhu ahakoa te whakaurua ia i roto i te mekameka ranei i roto i tona huru pai, ka waiho te nuinga mai i te taea o te whakamātautau. Ki te he te āhuatanga ki te kitea i roto i rite pehea mahi i te reira i te multimeter hei whakamatau, kia lau koe te tohutohu.

pūrere atu te utu e taea, hei tauira, ki te tirohia a te ine i ngā āhuatanga mahi o ngā pūnga me transistors.

taketake o te engineering hiko

Mōhiohio i runga i te āhua o ki te whakamahi i te multimeter ki "horoi". Ātete, ngaohiko, o nāianei - tawhā e taea ana te ruri i roto i ngā waeine o tohu whakaritea. Hei tauira, ua faaite te tawhiti i roto i mita tohu m ranei I roto i te hikohiko reira .:

1. Pumau whakapuaki te kaha ki nei e panaia nga irahiko i roto i te mekameka. Ko ōrite ki te tono o ake kaha uara nui. Whanganga i roto i volts (V).
2. Ko te kaha o nāianei faaite rite irahiko neke i roto i te ara iahiko. hāngai te uara nui ki te kohi nui o te hiko. amperes whanganga (A).
3. Ātete faaite pehea pakeke irahiko kia tika na waenganui i te tahi mea. Ko te teitei ko reira, ki te uaua ake haere nāianei. Whakahuatia i roto i te ohms (Ω, Omega).

Ko rerekē i te tāupe i roto i te whārite i te tohu tohu te kōwae. Hei tauira, faaite ture a Ohm te rite:

• U = IR, te wahi ahau - nāianei, U - ngaohiko me te R - ātete.

Wae, denoted wae iahiko ko Ohm V, A, Ω.

Ki te mārama me pēhea te ki te whakamahi i te multimeter mo te "horoi" ka kia whai hua ki te āwhina i roto i te faaauraa i ohie. kaupapa rite nāianei o te wai i roto i te putorino. Te nuinga o te reira te mea atu kohi nāianei. hanga te pēhanga nekehanga wai, - he ngaohiko; teitei pēhanga kaha "pana" te wai, te whakanui ake i te nāianei. Resistance - hei fifi i roto i te putorino. Hei tauira, i roto i te ngongo, otaota tanumia, ka rere i te wai ki te uaua. ka waiho nui atu i taua o te putorino, noa i faaapiapiraa tōna resistance.

AC me DC

Tētahi atu mōhiohio e hiahia ana koe ki te ako ki te pehea, ki te whakamahi i te multimeter. Hoki te "horoi" ka kia hiahia ki te mohio e te nāianei tamau e neke i roto i te ahunga kotahi. kia tona puna, mo te tauira, he pūhiko tikanga. Various multimeters rerekē rawea, DC ngaohiko me te nāianei. Tikanga, tenei DCV me te DCA, ranei te rārangi tika i runga i te V me A.

Tauutuutu nāianei taui te aronga maha nga wa ia te rua. I roto i te whatunga kāinga, puta reira 50 ngā wā (i roto i te US - 60 wa i ia tuarua). I roto i te multimeters rerekē e tohua AC ngaohiko me te nāianei rerekē. Tikanga, ACV me acá ranei te rārangi Karekare (~) e tata ana ki runga ake V me te A. ranei

hononga whakarara me te raupapa

A, no te te whakamahi i te multimeter he tika ki te whakatau i te tikanga o tona hononga, e, tei runga te mea e hiahia ana koe ki te tautuhi. Ko te nāianei ara iahiko rangatū e rerengia ana i roto i ia o ona, te huānga kotahi. Ko te kupu, ko reira raupapa e tika ana ki te hono i te pūrere ki te ine i te reira. I roto i te ara iahiko whakarara, ia huānga kua te taua ngaohiko. Na reira, me hono tona mita inenga i roto i te whakarara.

He aha te mahi i nga tohu i runga i te rōpū mua?

Tētahi atu mōhiohio e hiahia ana koe ki te mohio i mua i te whakamahi i te multimeter. Hoki te "horoi" ka kia uaua ki te kōmaka i roto i te plurality o tohu ki runga ki te rōpū mua, rawa ki te reira he kahore inscriptions. Kaua e manukanuka. E māngai ratou e te V waeine, A, Ω.

Ka whakamahia e te nuinga ngahuru multimeters arohere e tikanga e pā ana ki te wae mana inenga rite te pai kia rite ki te tawhiti me te whenua. Mita, hei tauira, - he wae tawhiti kiromita - 1000 m, mirimita -. 1/1000 m te taua pā ki kirokaramu, milligrams me karamu o te taimaha. Ko te pīmua ngahuru tino noa whakamahia i roto i multimeters:

• μ (moroiti) = 10 ^-6;
• m (Milli) = 10 ^-3;
• k (kiro) = 10 ^3,
• M (mega) = ¹⁰ Pipiri.

E whakamahia ana ēnei ngā kuhimua ngahuru mō Amps, volts me ohms. Hei tauira, 200kΩ - e rua rau kiloomah, e hāngai ana ki 200 000 ohms.

Tautuhi rohe

E whakaritea aunoa ētahi multimeters, ētahi rapu tāutanga ā-o te awhe ruri. I roto i te take whakamutunga, kia tīpako tonu koe i te whānuitanga paku nui ake i te uara tūmanakohia. rite te rangatira, me te mehua rīpene titiro te reira. Ki te hiahia koe ki te ine i te tahi mea e te mea 60 cm te roa, he poto rawa te aho 50-henemita, ka whai ki te whakamahi i te mehua rīpene.

Ko te taua pā ki te multimeter. Akuanei pea e hiahia ana koe ki te ine i te ngaohiko o te pūhiko AA, te uara o nei tūmanakohia te ki kia 1.5 V. He kōwhiringa ki 200 mV, 2 V, 20 V, 200 V, 600 V, kua iti rawa 200 mV, e hiahia ana koe ki te tīpako i te uara teitei muri o 2 V. Ahakoa nui he nui rawa kōwhiringa, ratou whiriwhiri e arahi ki te mate o te tika (ko ki te whakamahi i 5-mita rīpene ruri ki wehenga henemita, kahore te mirimita tenei).

He aha te mahi i te tahi atu pūāhua?

Kei te maha nga iku'anga e whai ake nei whakamahia i roto i te ine pūrere:

1. raina Karekare. Kei a tawhio tohu V, he tahi ki ngā kuhimua ngahuru. Tohu te measurand tāupe.
2. Te raina mārō, raina iraira. Ko tata i runga V A ranei ranei reira ka tohu B he ngaohiko tamau nāianei ranei.
3. He raupapa o arcs whakarara. Ko te whakamātautau o te hononga hiko. No te pārongo i runga i te āhua o ki te waea multimeter whakaahuatia waea i raro.
4. AC, DC. Ka taea te whakamahi ngā rārangi hei utu o te ingoa haapotohia o tauutuutu (AC) me DC (DC) nāianei.
5. Tapatoru ki ngā rārangi unu i roto i reira. whakamahia te reira ki te whakamātau i te p.

Kōwhiringa kōwhiringa

He aha kia he multimeter pai? Urupare i ngā kaiwhakamahi tukua ki te tohatoha ona āhuatanga e whai ake nei ki nei kia utua whakarongo i te wahi tuatahi:

• kore me whatiia waea atu i muri i te torutoru whakamahinga;
• wātea o aunoa kati-atu;
• haratau o te wāhi o ngā pātene me tūhono;
• kōwhiringa aunoa o te awhe whanganga;
• rawaka te rahi LCD mata;
• piha haapiiraa tika;
• ine awhe.

Multimeter: me pehea ki te hono waea

Ine pūrere hokona ki nga waea whero me te pango ki te pōkai. Ko tētahi o te mutunga ratou te hono ki te multimeter, whakamahia he uiuia te ki te whakamatautau i te ara iahiko. faaoti Whero ki te whakamahi i te uiuia ki te pai, me te pango - mō ngā uara kino.

Ahakoa 2 anake waea, ki te wahi te hono a ratou ake, e taea meinga whakama. He ara ki te hono i te waea, tei runga i te ahanoa ine me te tauira, kia hoki kia tirohia mārama mai ki te aratohu kaiwhakamahi.

Te nuinga o multimeters tiakina i te wiki nui o nāianei e rewa me wawahi te ara iahiko. Ka aukati i tenei te kore pūrere.

Ki te tāpiri i te pōkai ki te huānga te wahi ara iahiko ranei, whakaatu ana te whakaaturanga mamati te hua. E whakatakoto ana te pana te ngaohiko, o nāianei resistance ranei, a ka tauwhāiti hoki inenga.

Whakatau i o te tapatahi o te pūhui

Me pēhea te ki te waea waea multimeter? Ki te mahi i tenei:

• Kōkuhu i te waea whero ki te Jack Ω, me pango - i roto i te COM;
• whakaturia te pana ki te tohu tohu oro i roto i te puka o arcs whakarara;
• hono i te pōkai ki te ngā whakamātautau;
• ka pīho te pūrere ki te te hononga i waenganui i te pōkai e rua te tīariari (m. e. ātete tata ki te kore) a ka noho puku i roto i tona ngaro.

Multimeter: Kaiwhakamahi inenga resistance

Ko te raruraru ki nga parenga ko e kamupene e hiahia ana ngā kaiwhakamahi ki te mahara te tae whakawaeheretia o nei e ratou āhuatanga. Here te pehea, ki te whakamahi i te multimeter ki te whakatau i te parenga:

• Kōkuhu mata whero whakamātautau ki te Ω, a mangu - i roto i te COM;
• hono i te ahu ki te ātete whakapā;
• tīpako i te rohe inenga e hiahiatia ana;
• te pānui i te uara.

Ki te mea ka whakaatu tou tohu 1, he iti rawa te rohe. Me whakaturia e koe te pana ki te uara teitei tae noa tae noa te pānui tika. Ki te he tata ki te kore te uara, ka he tiketike rawa te rohe. Me te reira ki te kia heke ki te hua taunakitanga tūturu. Ki te he ano 0 te uara i te rohe i raro, te ātete i whanganga ano ko te kore.

Faaotiraa o te ahotea

Ki te whanganga i te ngaohiko DC me kia:

• te kōkuhu i te mata whero ki te V, me te pango - i roto i te COM;
• hono i te uiuia whero ki te taha pai o te pākahiko ranei ara iahiko, me te pango - ki te kino whenua ranei;
• fakangatangata pana whakaturia ki te tūranga whanganga DC ngaohiko o te awhe kua whakaarotia;
• tatau pānuitanga.

I runga i te kōwae i muri ki te turanga ki te tautuhi i te mōrahi ngaohiko nāianei, me te. kia pakaru multimeter haaati Ki enei uara.

Hei whakatau i te ngaohiko tauutuutu, he mea e tika ana ki te tīpako i te rohe e tika ana. I roto i tenei tukanga kore te mea nui he pūhui o te pōkai.

inenga o nāianei

• Kōkuhu i te waea mangu ki COM kāpeka.
• Kōkuhu i te waea whero ki te mokamoka hāngai ki te whānuitanga ruri te manakohia. Multimeter 832, hei tauira, he tūhono hoki ngā ake ki te 200 mA me 20 A.
• Whakaturia te rohe whakawhiti te awhe tikanga DC inenga.
• Pānui.

kia ū te reira ki te whakaritenga mo whāiti te nāianei takina tohua i runga i te mea. Kore mahi wiki, ki te te whakaturia ana mo te whānuitanga multimeter ruri i homai kia pakaru ai ara iahiko ranei.