Gefen da aka saka maganadita matakin

Ka'idar aiki ta gefen da aka sanya alama ta magnetic matakin da za a yi amfani da matattarar magnetic don tashi da faduwa da matakin ruɓaɓɓen kafa don nuna matakin matakin magnetic don nuna matakin matakin ruɓa. Lokacin da matakin ruwa a cikin akwati da aka gwada shi ya tashi ko ya faɗi, tasowar magnetic a matakin gunkin saman murfin ruwa wanda ya tashi ko ya faɗi daidai. An yada mannetic na dindindin a cikin manyan ruwa mai nuna alama ta hanyar yin gwaji, yana tuki murfin ja da fari mai launin ja zuwa flap 180 °. Lokacin da matakin ruwa ya tashi, sauye-shiryen shafi na hoto daga fari zuwa ja; Lokacin da matakin ruwa ya sauko, canje-canje shafi na faifai daga jan. Yankin ja da fari na mai nuna alama yana wakiltar ainihin girman ruwa na matakin ruwa a cikin kwandon.

A gefen da aka saka wa nuna alamun maganadii na magane yana da ra'ayi, tsarin karamin, da kewayon auna. Ana amfani dashi da yawa a cikin yanayin samar da masana'antu da yawa, gami da iko, man fetur, sunadarai, kariyar muhalli, karewa, abinci da sauran masana'antu.

Manyan samfuranmu sun hada da pretreter pretreter na lantarki, turbine Spriteter, taro mai gudana, mai amfani da matsi, mai amfani da ruwa mai amfani da ruwa.