Kodi kugwiritsa ntchito multimeter kuti "dummies"? Kodi alire mawaya multimeter

mita ndi chida kuyeza magetsi, mofanana osiyanasiyana kudziwa mtunda, nthawi, kapena powerengetsera kwa bwino thupi. kusiyana kwake kwagona kuti Mipikisano zinchito, mwachitsanzo angathe kuyeza magnitudes osiyana. multimeters ambiri lophimba kuti amakulolani kusankha zimene mukufuna kuyeza.

Kuyeza chipangizo?

Multimeters angathe kuyeza panopa, impedance ndi voteji, ndi kulamulira dera kupitiriza kutsatira mbendera kukachitika kuti zinthu ziwiri electrically chikugwirizana. Izi ndi zothandiza, mwachitsanzo, pamene khazikitsa Kulumikizana ndi kupotoza kapena mawaya soldering. beep A limasonyeza kuti pali kugwirizana ndi uko, ndipo palibe sakukhudzidwa. Mukhoza kugwiritsa ntchito chipangizo onetsetsani kuti kugwirizana magetsi pakati pa ochititsa awiri palibe. Izi zidzathandiza kudziwa yochepa dera.

Multimeter akhoza kuyesa diodes. Iwo ali ngati vavu yokha, panopa wadutsa mu njira imodzi yokha. opanga osiyana kukhazikitsa zingasiyane. Pamene akugwira diodes ngati chosadziwika kaya ali m'gulu unyolo kapena chikhalidwe zake zabwino kuthekera kuyezetsa adzakhala kwambiri olandiridwa. Ngati Tester multimeter ali mbali kuti tipeze kwenikweni mmene ntchito, muyenera kuwerenga malangizo.

zipangizo More mtengo akhoza Mwachitsanzo, kufufuza ndi kuyeza makhalidwe ntchitoyo capacitors ndi transistors.

ndizosowa zomangamanga magetsi

Information pa momwe ntchito multimeter kuti "dummies". Kukana, voteji, panopa - magawo kuti angathe kuyeza mu mayunitsi zizindikiro kutchula. Mwachitsanzo, mtunda zomwe zili mamita kapena chizindikiro mamita Mu zamagetsi izo .:

1. Kupsyinjika akufotokoza mphamvu ndi zomwe ma elekitironi ali anakankhira kudzera unyolo. mtengo wamkulu ali ofanana ndi ntchito mphamvu zambiri. Amayezedwa volts (V).
2. Mphamvu panopa chimaonetsera ma elekitironi akuyenderera dera la. A mtengo zikuluzikulu limafanana ndi mowa kwambiri magetsi. Mpandawo amperes (A).
3. Fundo akufotokoza mmene ma elekitironi zovuta kudutsa chinachake. The apamwamba ndi, kovuta pochitika panopa. M'kukoma ohms (Ω, Omega).

Chizindikiro kusonyeza unit osiyana variable mu aone kuti pali lapansi. Mwachitsanzo, lamulo Ohm chimaoneka ngati:

• U = IR, kumene ine - panopa, U - voteji ndi R - kukana.

Volt, Ampere ndi Ohm amaimira V, A, Ω.

Kumvetsa mmene ntchito multimeter kuti "Dummies" akhala akugwira kuthandiza koyenera yosavuta. Current ofanana kayendedwe ka madzi chitoliro ndi. Ambiri kwambiri mowa panopa. Kuthamanga amalenga madzi zoyenda, - ndi voteji; kuthamanga apamwamba mphamvu "amakankhira" madzi, kuwonjezera panopa. Kukana - monga chokhumudwitsa mu chitoliro lapansi. Mwachitsanzo, kudzera chubu, zinyalala yatsekera, madzi idzayenda movutikira. kukana wake udzakhala waukulu kuposa wa chitoliro ndi, free ku obstructions.

AC ndi DC

mfundo ina imene muyenera kuphunzira kugwiritsa ntchito multimeter. Pakuti "Dummies" khalani ndi chidwi kudziwa kuti panopa zonse zakukwawa mbali imodzi. gwero Imatha Mwachitsanzo, batire ochiritsira. multimeters zosiyanasiyana mosiyana kutanthauza DC voteji ndipo panopa. Childs, izi DCV ndi DCA, kapena mzere wolunjika pa V ndi A.

Alternating panopa chimasintha malangizo nthawi zambiri pa mphindi. Mugulu panyumba, amapezeka nthawi 50 (mu US - nthawi 60 pa wachiwiri). Mu multimeters osiyana AC voteji ndipo panopa ali anasonyeza mosiyana. Childs, ACV ndi ACA kapena wavy mzere (~) pafupi kapena pamwamba V ndi A.

Kufanana ndi mndandanda kugwirizana

Pamene ntchito multimeter m'pofunika kudziwa kuti kugwirizana ake, kuti zimatengera chimene inu mukufuna kuchimvetsa. The siriyo dera panopa likuyenderera mu aliyense wa ake, chinthu chomwecho. Choncho, m'pofunika sequentially kulumikiza chipangizo kuyeza. Mu dera yomweyi, aliyense amafotokozera ali voteji chomwecho. Choncho, mita ake muyeso ayenera olumikizidwa ku kufanana.

kuchita zizindikiro pa gulu kutsogolo chiyani?

mfundo ina imene muyenela kudziwa musanagwiritse ntchito multimeter. Pakuti "Dummies" kudzakhala kovuta kuthetsa kupyolera kuchuluka zizindikiro pa gulu kutsogolo, makamaka ngati palibe zolemba. Osadandaula. Iwo amakhala ndi mayunitsi ndi V, A, Ω.

Ambiri multimeters chinkafunika amagwiritsa prefixes kuti zinthu poyerekezera mayunitsi mphamvu muyeso komanso mtunda ndi nthaka. Meter Mwachitsanzo, - unit mtunda kilometre - 1000 m, millimeter -. 1/1000 mamita N'chimodzimodzinso makilogalamu, mamiligalamu magalamu a kulemera. Ambiri prefixes chinkafunika ntchito multimeters:

• μ (yaying'ono) = 10 ^-6;
• mamita (milli) = 10 ^-3;
• K (kilo) = 10 ^3,
• M (Mega) = ¹⁰ June.

prefixes izi chinkafunika ntchito mikuza mawu, volts ndi ohms. Mwachitsanzo, 200kΩ - mazana awiri kiloomah, Chofanana 200 000 ohms.

Kuika malire

Ena multimeters ndi kusintha basi, ena amafuna unsembe Buku chingwe osiyanasiyana. Zikatero, nthawi zonse muyenera kusankha osiyanasiyana pang'ono kuposa phindu kuyembekezera. Ikukhala ngati mkulu ndi tepi muyeso. Ngati mukufuna kuyeza chinthu masentimita 60 m'litali, 50-centimeter mzere ndi waufupi kwambiri, ndi kugwiritsa ntchito tepi muyeso.

N'chimodzimodzinso multimeter lapansi. Tangoyeserani mukufuna kuyeza voteji ya batire AA, phindu limene ayenera kukhala 1.5 V. Pali mungachite 200 MV, 2 V, 20 V, 200 V 600 V 200 MV yaing'ono kwambiri, muyenera kusankha lotsatira mtengo wapamwamba 2 V. Ngakhale wamkulu Zosintha lalikulu kwambiri, kusankha kwawo kungabweretse kufa molondola (ichi ndi kugwiritsa ntchito 5-mita chingwe tepi ndi magulu centimeter popanda millimeter a).

kuchita anthu ena chiyani?

Mawu akuti zotsatirazi kawirikawiri amagwiritsidwa ntchito kuyeza zipangizo:

1. Wavy mzere. Ili pafupi zizindikiro V, A pamodzi ndi prefixes chinkafunika. Amatanthauza munthu measurand variable.
2. Mfundo olimba, lili mzere. Ndi pafupi kapena pamwamba V kapena A ndi B amatanthauza munthu voteji zonse kapena panopa.
3. A mndandanda wa arcs yomweyi. Chiyesedwe cha yogwirizana magetsi. Kuti mudziwe mmene akumvekera mawaya multimeter pansipa.
4. AC, DC. Mizere akhoza kugwiritsidwa ntchito m'malo mwa dzina chidule cha alternating (AC) ndi DC (DC) panopa.
5. Triangle mizere kukopedwa mu izo. Ndi ntchito kuyesa diodes.

Mungasankhe kusankha

Kodi kukhala multimeter wabwino? Feedback kuchokera kwa ogwiritsa kulola kuonetsetsa zochititsa zotsatirazi zomwe tcheru ziperekedwe mu malo oyamba:

• mawaya usakapereke kuthamangira ntchito angapo;
• kupezeka kwa zodziwikiratu chitsekere-kuchoka;
• mayiko malo mabatani ndi zolumikizira;
• zodziwikiratu kusankha chingwe osiyanasiyana;
• zokwanira kukula LCD chophimba;
• olondola kalasi;
• kuyeza ranges.

Multimeter: mmene kulumikiza mawaya

Kuyeza zipangizo anagulitsa ndi mawaya ofiira ndi wakuda kwa probes lapansi. Limodzi la chimaliziro chawo chikugwirizana ndi multimeter ndi kafukufuku ndi ntchito kuyesa dera la. Red kugwiritsa ntchito kafukufuku ku HIV ndi wakuda - chifukwa mfundo negative.

Ngakhale mawaya 2 yekha, malo kulumikiza iwo kwambiri, yomwe INGATHE kuyambitsa chisokonezo. Njira kulumikiza mawaya zimadalira muyeso chinthucho ndi chitsanzo, kotero powunikira ayenera amatchula namulondola wosuta.

multimeters kwambiri kutetezedwa lalikulu lama fuyusi panopa zomwe chimasungunula ndi akuswa dera la. Izi kuteteza kulephera chipangizo.

Ngati probes angagwirizanitse kwa mchitidwe kapena dera gawo, kuwonetsera digito zikusonyeza zotsatira. Siwichi amapereka voteji, panopa kapena kukana, komanso zimasokoneza miyezo.

Khama la umphumphu wa pawiri la

Kodi alire mawaya multimeter? Kuchita izi:

• Amaika waya wofiira kwa Ω Jack, ndi wakuda - mu Com ya;
• anapereka lophimba kuti chizindikiro zomvetsera chizindikiro mu mawonekedwe a arcs kufanana;
• kugwirizana probes mfundo mayeso;
• chipangizo adzakhala beep ngati kugwirizana pakati pa probes awiri kulibe (m. e. kukana pafupi ziro) ndipo mudzakhala chete sanamwe.

Multimeter: wogwiritsa kukana kayesedwe

Vuto resistors ndi kuti opanga ndikufuna owerenga kumbukirani mtundu wa chimene ndiyotengera ndi chikhalidwe chawo. Apa mmene ntchito multimeter kudziwa kukana:

• Amaika wofiira mayeso patsogolo kwa ω, ndi wakuda - mu Com ya;
• kulumikiza amatsogolera ndi kukhudzana kukana;
• sankhani anakhumba muyeso malire;
• kuwerenga phindu.

Ngati chizindikiro chanu adzasonyeza 1, malire ndi otsika kwambiri. Uike lophimba kuti mtengo wapamwamba mpaka mpaka kuwerenga zolondola. Ngati mtengo uli pafupi ziro, ndiye malire ndi okwera kwambiri. Lifunika kusanduka umboni weniweni. Ngati mtengo akadali 0 pa malire wotsikitsitsa, kulimbikira mpandawo ndi ziro.

Khama la maganizo

Kuyeza DC voteji ayenera kukhala:

• amaika patsogolo wofiira mu V, ndi wakuda - mu Com ya;
• kulumikiza kafukufuku wofiira mbali zabwino batire kapena madera, ndi wakuda - ndi oipa kapena pansi;
• kuchepetsa lophimba anapereka udindo kwa kuyeza DC voteji cha uthunthu sikhala;
• kuwerenga kuwerenga.

Pa wagawo pafupi ndi zokhazikapo kuti mwachindunji pazipita panopa ndi voteji. multimeter dera akhoza kuonongeka Ngati mfundo izi.

Kudziwa alternating voteji, m'pofunika kusankha malire yoyenera. Mu njirayi pawiri la probes si zofunika.

kayesedwe panopa

• Amaika waya wakuda kuti Com osachiritsika.
• Amaika waya wofiira mu kagawo lolingana anafuna chingwe osiyanasiyana. Multimeter 832 Mwachitsanzo, ali zolumikizira kuti mafunde mpaka 200 MA ndi 20 A.
• Ikani malire kusinthana kwa DC muyeso anafuna osiyanasiyana.
• KUWERENGA.

Iwo ayenera kumvera malamulo kwa Kuchepetsa panopa kufufuzidwa anasonyeza pa chida cha. Apo ayi ntchito lama fuyusi ngati anapereka anapatsidwa chingwe osiyanasiyana multimeter kapena dera akhoza kuonongeka.