Me yasa ma'aunin zafi da zafi na mota ba koyaushe yake nunawa daidai ba
Babu shakka, yakamata ku zauna a cikin motar a ranar zafi mai zafi, kunna mabuɗin kuma ku ga zafin jiki akan na'urorin, wanda ya fi na ainihin gaske. Masanin kimiyar yanayi Greg Porter ya bayyana dalilin da ya sa hakan ke faruwa.
Motar tana auna zafin jiki tare da abin da ake kira "thermistor" - kama da ma'aunin zafi da sanyio, amma maimakon sandar mercury ko barasa, tana amfani da wutar lantarki don karanta canje-canje. A haƙiƙa, zafin jiki shine ma'auni na yadda ƙwayoyin cuta ke tafiya cikin sauri ta iska - a cikin yanayi mai dumi, saurin su ya fi girma, in ji Porter.
Matsalar ita ce a cikin kashi 90% na motoci, an sanya thermistor a bayan injin faranti. A lokacin bazara, idan kwalta yayi zafi sosai sama da yanayin zafin jiki, motar zata ɗauki wannan bambanci kuma. Ya yi kama da auna yanayin zafi a cikin daki ta hanyar sanya ma'aunin zafi da sanyio ƙafa nesa da murhu mai ƙuna.
Bambance-bambance masu auna tsanani suna bayyane yayin da aka tsayar da motar. Lokacin tuki a cikin sauri mafi sauri, firikwensin yana gano ƙananan ƙarancin zafi da kwalta ke samarwa. Kuma a cikin yanayi na al'ada ko na sanyi, karatunsa yafi dacewa da ainihin yanayin zafi.
Duk da haka, Parker yayi kashedin cewa kada mutum ya amince da karatun a makance, ko da a lokacin hunturu - musamman lokacin da bambancin digiri ɗaya ko biyu na iya nufin haɗarin ƙanƙara.
