1. Dangantaka tsakanin marufi na daidaito na injunan marufi da wuraren shakatawa na foda, musamman kananan ƙananan kayan adon abinci a cikin kewayon 5-5000 grams. Hanyar ciyar da al'ada ta al'ada tana daɗaɗa ciyarwa, kuma har yanzu babu nauyi nan da nan. Hanyar daidaitawa. Karkace rabo shine hanyar gyara mai faɗi. Daidaita girman kowane rami na karkace shi ne ainihin yanayin da ke tantance daidaituwar ma'aunin injin foda. Tabbas, farar, diamita na waje, diamita na ƙasa, da karkace fanko zai shafi daidaito da sauri.

2. Dangantaka tsakanin farfadar da ke tsakanin injin foda da na waje na injin floator: ya kamata a ce ya kamata a ce daidaitaccen kayan aikin injin foda yana da dangantaka ta kai tsaye da na waje. Abubuwan da ake buƙata don dangantakar da farar fata ita ce cewa an ƙaddara beleter na waje. Gabaɗaya magana, injin feshin foda an ƙaddara gwargwadon girman kunshin lokacin da za'a sa a daidaita abin da ta dace. Misali, lokacin da injinan kwando na kayanmu suna ba da 100 grams na barkono, yawanci muna zaɓa tare da glucose na 38mm, amma idan an yi amfani da 100 grams, a karkace tare da diamita na 32m ana amfani da shi. Wannan shine cewa, mafi girman ƙayyadadden rufi, mafi girma m diamita na karkace zeakin da aka zaɓa, don tabbatar da duka kayan aikin da kuma daidaito;

3. Dangantaka tsakanin farfadar da ke tsakanin injin foda da kuma filin packik: Ta yaya za a sami daidaitaccen injin foda da filin wasan kwaikwayo? Anan zamu iya kwatanta da misalai. Misali, injin kayan aikin mu yana amfani da injin dinmu na waje30m na ​​waje. Filin da muka zaba shine 22mm, da daidaito na ± 0.5 na grams sama da 80%, da kuma rabo daga ± 1 grams ya wuce 98%. Koyaya, mun ga cewa takwaran suna da kuturbaye tare da na waje na waje na φ30m kuma wani farar sama da 50mm. Me zai faru? Saurin yankan yana da sauri, kuma daidaitaccen ma'aunin shine game da gram na ± 3. Standararru Standararru "QB / T2501-2000" na buƙatar na'urorin da aka haɗa X (1) don samun ƙayyadaddun ƙayyadaddiyar ƙayyadaddun gram na ≤50 da kuma karkatar da izini na gram .3%.