Izinhlelo zokulinganisa zamandla kagesi zibalulekile cishe kuzo zonke izimboni, ezentengiso kanye nokuhweba. Njengoba amaseli omthwalo ayizinto ezibucayi ze-Force Sokulinganisa Izinhlelo, kufanele zinembile futhi zisebenze kahle ngaso sonke isikhathi. Ukuthi njengengxenye yokulungiswa okuhleliwe noma ukuphendula ukuphuma kokusebenza, ukwazi ukuthi ungavivinya kanjani aumthwalo iselikungasiza ukwenza izinqumo ezinolwazi mayelana nokulungisa noma ukufaka esikhundleni izingxenye.
Kungani amaseli umthwalo ehluleka?
Layisha amaseli asebenza ngokulinganisa amandla anikezwe phezu kwabo ngesiginali kagesi athunyelwe kusuka kumthombo wamandla olawulwayo. Idivaysi yohlelo lokulawula, njengeyunithi yokulawula i-Amplifier noma yengxabano, bese iguqula isiginali ibe yinani elilula lokufunda ku-Digital Display. Kudingeka kwenze cishe kuyo yonke imvelo, ngezinye izikhathi okungaba nezinselelo eziningi ekusebenzeni kwazo.
Lezi zinselelo zenza amaseli omthwalo athambekele ukwehluleka futhi, ngezinye izikhathi, angathola izingqinamba ezithinta ukusebenza kwazo. Uma kwenzeka ukwehluleka, kuwumqondo omuhle ukubheka ubuqotho bohlelo kuqala. Isibonelo, akuyona into evamile ukuthi izikali zilayishwe ngokweqile. Ukwenza kanjalo kungalimaza iseli lomthwalo futhi kubangele nokulayisha ukushaqeka. Ukuhlinzwa kwamandla kungabhubhisa amaseli omthwalo, njengoba kungaba nanoma yimuphi umswakama noma ukuchitheka kwamakhemikhali endaweni yokungena esikalini.
Izimpawu ezithembekile zokuhluleka kweseli lomthwalo zifaka:
Isikali / idivaysi ngeke isetha kabusha noma ilinganise
Ukufundwa okungahambelani noma okungathembekile
Isisindo esingahleliwe noma ukungezwani
Drament Drift ku-zero esele
akafundanga nhlobo
Ukuxazulula inkinga yeselula
Uma uhlelo lwakho lusebenza ngokungafanele, hlola noma yikuphi ukonakala ngokomzimba. Susa ezinye izimbangela ezisobala zokwehluleka kwesistimu - Izintambo zokuxhumeka kwe-Frays
Uma ukwehluleka kweseli umthwalo kusenzeka, uchungechunge lwezinyathelo zokuxazulula izinkinga kufanele zenziwe.
Nge-DMM ethembekile, esezingeni eliphakeme kanye negeji enamadijithi angu-4.5, uzokwazi ukuhlola:
ukulingana okungu-zero
Ukumelana nokufakelwa
Ubuqotho bebhuloho
Lapho nje imbangela yokwehluleka ukwehluleka, iqembu lakho linganquma ukuthi lingaqhubekela phambili kanjani.
I-Zero Ibhalansi:
Ukuhlolwa okulinganiselwe okungu-zero kungasiza ekuboneni ukuthi ngabe iseli lomthwalo lihlupheke yini noma yimuphi umonakalo womzimba, njengokulayisha ngokweqile, ukulayisha okushaqekile, noma ukugqokwa kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi noma ukukhathala kwensimbi. Qiniseka ukuthi iseli lomthwalo alikho umthwalo "ngaphambi kokuqala. Lapho kufundwa ukufundwa kwe-zero esele, xhuma imigwaqo yokufaka yeseli yomthwalo ku-exparitation noma i-voltage yokufaka. Kala i-voltage nge-millivoltmeter. Hlukanisa ukufundwa yi-voltage yokufaka noma yokuvuselelwa ukuze uthole ukufundwa okulinganiselwe kwe-zero ku-MV / V. Lokhu kufundwa kufanele kuhambisane nesitifiketi sokuqala sokulinganisa amaseli noma ishidi ledatha yomkhiqizo. Uma kungenjalo, iseli lomthwalo libi.
Ukumelana nokufakelwa:
Ukumelana nokufakelwa kulinganiswa phakathi kwesihlangu sekhebula kanye nomjikelezo weseli lomthwalo. Ngemuva kokunqamula iseli lomthwalo ebhokisini lokuhlangana, xhuma konke ukuhola ndawonye - okokufaka nokukhipha. Kala ukumelana kokufakelwa nge-megohmmeter, ukukala ukumelana kokufakelwa phakathi kocingo oluxhumekile lokuhola kanye nomzimba weseli lomthwalo, bese kuthi isihlangu sekhebula, bese ekugcineni ukumelana nokufakelwa komzimba weseli lomthwalo kanye nesihlangu sekhebula. Ukufundwa kokumelana nokufakelwa kufanele kube ngu-5000 m mω noma ngaphezulu kwebhuloho-kuya ku-Bridge-to-Shield, nesihlangu sekhebula, kanye nesihlangu sekhebula, ngokulandelana. Amanani aphansi akhombisa ukuvuza okubangelwa umswakama noma ukugqwala kwamakhemikhali, nokufundwa okuphansi kakhulu kuwuphawu oluqinisekile lokungenelela okufushane, hhayi umswakama.
Ubuqotho beBridge:
Ubuqotho beBridge bubheka ukumelana nokukhishwa kanye nezinyathelo ezine-ohmmeter nge-pair ngayinye yokufaka nokukhipha okuphumayo. Kusetshenziswa ukucaciswa kwedatha yasekuqaleni, qhathanisa nokuphakanyiswa kokufaka nokukhishwa okuvela ku- "Okungaphandle Okungaphezulu" ku "ukufaka okungalungile", kanye "nokukhipha okungalungile" ku- "Plus Out". Umehluko phakathi kwamanani amabili kufanele ube ngaphansi noma ulingane no-5 ω. Uma kungenjalo, kungahle kube nocingo ophukile noma olufushane olubangelwa imithwalo yethukile, ukudlidliza, ukuhlukunyezwa, noma amazinga okushisa aphezulu.
Ukumelana nomthelela:
Amaseli okulayisha kufanele axhunywe emthonjeni wamandla ozinzile. Ngemuva kwalokho usebenzisa i-voltmeter, xhuma kokukhishwa noma ama-terminals. Qaphela, ucindezele amaseli omthwalo noma ama-roller ukwethula umthwalo omncane wokushaqeka, uqaphele ukuthi ungasebenzisi imithwalo ngokweqile. Bheka ukuqina kokufunda bese ubuyela ekufundeni kokulinganiselwa koqobo kwe-zero. Uma ukufundwa kuyiphutha, kungakhombisa ukuxhumeka kukagesi okuhlulekile noma isithambisi sikagesi kungenzeka senze isigqila phakathi kwegeji yegagasi nengxenye.
Isikhathi sePosi: Meyi-24-2023
