Inspection standards and inspection methods for scales

Idan ana maganar ma'auni, kowa ba zai ji wanda ba a sani ba.Suna da matukar amfani wajen auna nauyi a rayuwar yau da kullum.Nau'o'in ma'auni na gama gari sun haɗa da ma'aunin dafa abinci na lantarki, ma'aunin jikin lantarki, da ma'aunin jiki na inji.Don haka, menene mahimman abubuwan da ke buƙatar bincika kuma menene gwaje-gwajen da ake buƙatar yin yayin bincikar kaya?Muna fatan waɗannan abubuwan suna taimaka muku!

Ƙa'idar aiki

Lokacin da aka sanya abu akan ma'auni, ana matsa lamba akan firikwensin, wanda ya lalace, yana haifar da canji na impedance.A lokaci guda, ana amfani da ƙarfin motsa jiki don canzawa da fitar da siginar da aka kwaikwayi na canji.Ana ƙara siginar ta hanyar da'irar haɓakawa da fitarwa zuwa mai jujjuyawar analog-zuwa-dijital.Juya zuwa siginonin dijital da aka sarrafa cikin sauƙi kuma fitar da su zuwa CPU don sarrafa aiki.CPU yana fitar da wannan sakamakon zuwa mai duba bisa umarni da shirye-shirye na keyboard.Har sai an nuna wannan sakamakon.

Rarraba ma'auni

A cikin tsarin dubawa, galibi muna amfani da ma'aunin dafa abinci na lantarki, ma'aunin jikin lantarki, da ma'aunin jiki na inji

Manyan abubuwan da aka gyara

1) Na'urar firikwensin nauyi 2) da'irar amplifier 3) tace da'ira 4) analog-to-dijital Converter 5) naúrar sarrafawa ta tsakiya 6) da'irar wutar lantarki 7) maɓalli 8) mahalli 9) inji 10) sikelin

Gwaji

1) Duban marufi

(1) Binciken akwatunan waje/na ciki

(2) Akwatin launi / duba marufi

(3) Binciken kayan haɗi da sauran abubuwa

(4) Shin abun ciki akan kayan marufi, gami da umarni, katunan garanti, katunan sabis, da sauransu, daidai da samfurin

2) Gwajin tsaro

(1) Akwai kaifi da maki, kuma baturin yana yoyo ruwa

3) Duban gani

(1) Binciken tabbatar da samfur

Bincika idan samfurin, gami da na'urorin haɗi, ya yi daidai da samfuran da abokin ciniki ya bayar, ƙayyadaddun bayanai, umarni, hotunan akwatin launi da abun ciki, umarni, da sauransu.

(2) Duban gani

4) Injiniyan dubawa

(1) Bincika tare da kyamarar hannu: Bincika kowane abu na waje ko maras kyau taro a cikin samfurin

(2) Duban taro: Bincika idan akwai manyan giɓi a cikin haɗin kowane ɓangaren na'urorin haɗi, idan an shigar da na'urorin ba daidai ba, ko kuma idan na'urorin sun yi sako-sako da yawa ko matsewa.

(3) Duba akwatin baturi da ƙofar baturi: Bayan shigar da baturin, rufe ƙofar baturin kuma buga na'urar da hannunka.Samfurin bai kamata ya yi aiki ba.(Idan an shigar da baturi a cikin samfurin kuma abokin ciniki ya buƙaci fim mai kariya don rufewa, muna buƙatar bincika ko wannan fim ɗin zai iya ba da kariya ta rufi.)

(4) Yi amfani da ma'aunin abin ji don bincika ko ma'aunin ƙafar ƙafa ba daidai ba ne

Sanya samfurin akan gilashin don ganin ko ya girgiza, yi amfani da ma'aunin abin ji don auna ƙimarsa da yin rikodin sa

5)Binciken aikin yau da kullun

(1) Kunnawa/kashe sau 3, samfurin yakamata ya sami ainihin aikinsa

(2) Gwajin daidaito

a.Gabaɗaya, ana auna ma'auni uku (idan abokin ciniki ya buƙata, gwargwadon buƙatun abokin ciniki, idan ba haka ba, maki uku na 10%, 50%, da 90% na matsakaicin nauyi ana buƙatar gabaɗaya don auna su)

b.Daidaitaccen buƙatun (idan abokin ciniki ya buƙata, gwargwadon buƙatun abokin ciniki. Idan ba haka ba, ana buƙatar ma'aunin dafa abinci gabaɗaya ya zama +/- 0. 5%, kuma ma'aunin ɗan adam ya zama ± 1%)

(2) Binciken aikin nuni na LCD (duk bugun jini dole ne a iya nunawa ba tare da ɓataccen bugun jini ba, da sauransu)

(4) Ya kamata maɓalli daban-daban suyi aiki akai-akai

(5) Nuna nauyin ma'auni kuma duba aikin kashewa ta atomatik

(6) Duban maɓallan zaɓin naúrar nauyi (Kg, Oz, Lb, da sauransu)

(7) Duba aikin cire fata (wanda ya dace da ma'aunin kicin)

Sanya lambar nauyi 1KG akan samfurin kuma danna maɓallin "Zero",

Ya kamata samfurin ya nuna '0'.Sa'an nan kuma ƙara code,

Ya kamata samfurin ya nuna nauyin lambar ƙara ta gaba (watau nauyi bayan bawo)

(8) Duba aikin nunin kiba

(Bisa ga umarnin, idan an sanya lambar kiba akan samfurin, LCD na samfurin ya kamata ya nuna kiba.)

(9) Duba aikin kullin daidaitawa na '0' (wanda ya dace da ma'aunin jiki na inji)

(Gyara kullin '0', mai nuni ya kamata ya iya nuna '0' kuma kullin kada ya kasance yana da wani cunkoso ko wasu abubuwan ban mamaki)

(10) Sake saitin aikin '0' ta atomatik (wanda ya dace da ma'aunin jiki na inji)

(Cire nauyi daga samfurin, mai nunin samfurin yakamata ya koma matsayin '0', kuma kada a sami cunkoso ko wasu abubuwan ban mamaki akan mai nuni)

(11) Sauran buƙatun aikin da aka ambata a cikin littafin suna buƙatar dubawa

6) Bayanai na musamman da abubuwan aunawa

(1) Bangaren tsaro: Babu

(2) Gwajin aiki

a.Ma'aunin ƙarfin baturi

Yi amfani da multimeter don bincika cewa ƙarfin baturi ya kamata ya wuce irin ƙarfin lantarki na ƙididdiga

b.Gwajin jiran aiki na yanzu

Bincika halin yanzu jiran aiki tare da multimeter kuma yi rikodin sigogi.

(Haɗa multimeter a jeri zuwa da'irar samar da wutar lantarki, kuma yanayin jiran aiki shine na yanzu lokacin da samfurin ya kunna ba a sarrafa shi ba)

c.Low ƙarfin lantarki nuni aikin dubawa

(Ya kamata nunin ƙarancin wutar lantarki ya dace da ƙa'idodin abokin ciniki ko umarnin)

d.Matsakaicin binciken kewayon awo

(Madaidaicin kewayon awo yakamata ya kasance daidai da ma'aunin abokin ciniki, akwatin launi, da littafin koyarwa)

e.Duban ƙuduri

(Ƙudirin samfurin ya kamata ya dace da ƙa'idodin abokin ciniki, akwatunan launi, da umarnin)

f.Duban kuskuren auna akai-akai

(Auna nauyin 50% na ƙididdiga mafi girman matsayi a wuri ɗaya na samfurin sau uku, kuma yi rikodin canjin nauyi sau uku. Ƙungiyar ƙuduri kada ta wuce grid 1.)

g.Duba kuskuren auna ƙafa ɗaya ko biyu (wanda ya dace da sikelin ɗan adam)

(Auna a kan samfur mai ƙafa ɗaya ko biyu - zaɓi nauyi kusa da cikakken nauyi kuma kwatanta canje-canjen a auna, wanda bai kamata ya wuce naúrar ƙudurin grid 1 ba)

h.Tsari na ciki da kuma manyan abubuwan dubawa

(3) Binciken girma

a.Binciken Barcode dubawa

Duba lambar barcode sau uku tare da na'urar daukar hotan takardu

Dole ne lambar lambar ta zama abin karantawa kuma lambar da na'urar daukar hoto ta nuna ya kamata ta dace da lambar da aka buga akan lambar barcode.

b.Duban girma da nauyin akwatunan jigilar kaya

Auna tsawon x nisa x tsayin samfurin ko kwatanta shi da ƙayyadaddun samfur.Idan ba a bayar da takamaiman samfuri ba, yi rikodin bayanai a cikin rahoton.

c.Auna girman samfurin waje

Idan ba a ambaci samfurin ko girman marufi a cikin ƙayyadaddun abokin ciniki ba, to wannan gwajin bai dace ba.

d.Gwajin sufuri

(a) Gwajin juzu'i na jigilar kwali (idan abokin ciniki bai nema ba, wannan gwajin bai dace ba).