Indlela yokukala umthamo webhethri nge-multimeter?

I-Multimeter ibhekisela kumadivayisi angasiza kakhulu ekuphileni kwansuku zonke. Ngosizo lwabo, ungakwazi ukuxazulula imibuzo eminingi, isibonelo, indlela yokukala umthamo webhethri nge-multimeter? Ukuze usebenzise lokhu ngokusebenza, udinga ukunamathela ku-algorithm ethile yesenzo.

Inhloso ye-multimeter

Ngosizo lomhloli, awukwazi ukuhlola kuphela amandla amabhethri ane-multimeter, kodwa futhi namanye amasheke amaningi asebenzayo, phakathi kokuthi ungachaza okulandelayo:

Ungenza kanjani ukuyeka?

Ukuze uqonde inkinga yokuhlola ikhono lebhethri elinomthamo we-multimeter, kuzodingeka izinyathelo eziningi. Isinyathelo sokuqala ukuvula idivayisi bese uyibeka ku-parameter "DC - Amperes". Okulandelayo, udinga ukulungisa izinkomba ezinconywayo zamapayipi:

Kumele kukhunjulwe ukuthi ukusetshenziswa kwe "Volta" isikhundla ukuze kunqume amandla wamanje akuvumelekile. Manje sidinga ukuxhuma izinsimbi zomculo wokulinganisa koxhumana nabo, ngokusho kobudlelwane obulandelayo:

Ungesabi ukuthi le polarity izodideka. Kulesi simo, uphawu olubi kuphela luzovela ngaphambi kwenombolo. Uma uqhuba isilinganiso, kubalulekile ukuthi ungagudluli ngaphezulu-ukujikeleza kwesigodi, ngoba ukuphenduka okwenzekayo kungaholela ekuqothulweni kwebhethri entsha. Isikhathi esiphezulu senqubo akumele sidlule imizuzwana emibili. Lokhu kwanele ukubona ukubaluleka kwepharamitha e-ampere oyifunayo kumbukiso wokuhlola. Okufanelekile, konke kufanele kwabiwa okungaphezu kwesigamu esisodwa.

Imiphumela yokulinganisa

Ngokusekelwe kokutholiwe, kungenzeka ukudweba iziphetho mayelana nesiphambano esengeziwe sokusebenzisa ibhethri. Kubalulekile ukukhumbula kuphela ukuthi inani eliphakeme lepharamitha elifunayo, lizoba namandla kakhulu:

Indlela enhle kunazo zonke yokuhlola ukufaneleka kwebhethri ukuwufaka kumshini kagesi. Ngemuva kokulinganisa ipharamitha, akudingekile ukulahleka kolwazi oluboniswa ngqo ebhethri. Ngokuvamile, ayibhalisi ukufakwa kwamandla, kodwa i-voltage yomthamo noma ngamanye amazwi ukungezwani. Ezimweni eziningi, imingcele elandelayo ichaziwe:

Ukulandela i-algorithm ethile yezenzo, ungakwazi ukukala umthamo webhethri usebenzisa i-multimeter. Lokhu kuzosiza ukunquma ukuthi iyiphi idivayisi okufanele ukuyisebenzise.