Ukugcina ubushushu obuchanekileyo kwisikhenkcisi sakho kunye nesikhenkcezisi kubalulekile kukhuseleko lokutya, ukusebenza kakuhle kwamandla, kunye nokusebenza kwesixhobo sonke. Iithemometha zesikhenkcisi sedijithali zizixhobo ezixabiseke kakhulu zokuphumeza ezi njongo. Ezi zixhobo zibonelela ngofundo oluchanekileyo noluthembekileyo lobushushu, ziqinisekisa ukuba ukutya kwakho kuhlala kutsha kwaye kukhuselekile. Eli nqaku liphonononga izibonelelo, ukusebenza, kunye neendlela ezingcono zokusebenzisaIthemometha yesikhenkcisi yedijithali.

Intshayelelo kwiiThermometers zesikhenkcisi seDijithali

Ithemometha yesikhenkcisi yedijithali sisixhobo esiyilelwe ukujonga nokubonisa ubushushu bangaphakathi besikhenkcisi sakho namagumbi efriji. Ngokungafaniyo neethemometha ze-analog zemveli, iithemometha zedijithali zibonelela ngokuchaneka okuphezulu, ukusebenziseka ngokulula, kunye neempawu ezongezelelweyo ezifana nemisebenzi ye-alam kunye noqhagamshelo olungenazingcingo. Ezi zixhobo zinceda ekuqinisekiseni ukuba izixhobo zakho zombane zisebenza ngokwemigangatho yobushushu obucetyiswayo, nto leyo ebalulekileyo ekugcineni umgangatho wokutya kunye nokhuseleko.

Zisebenza njani iiThermometers zesikhenkcisi seDijithali

Iithemometha zesikhenkcisi sedijithali zisebenzisa izinzwa zombane ukulinganisa ubushushu. Ezi zivamvo, ngokuqhelekileyo i-thermistors, zifumanisa utshintsho lobushushu kwaye ziguqulelwe kwiimpawu zombane. I-microcontroller ngaphakathi kwe-thermometer yenza le miqondiso kwaye ibonise ubushushu kwisikrini se-LCD.

Amacandelo Angundoqo

1. Iinzwa:Iithermitors ezilinganisa ubushushu.
2. Isilawuli esincinci:Ilungisa idatha evela kuluvo.
3. Bonisa:Izikrini ze-LCD ezibonisa ukufundwa kobushushu.
4. Umthombo wamandla:Iibhetri okanye unikezelo lwamandla lwangaphandle olunika amandla isixhobo.

Iimpawu eziphambili

Iithemometha zale mihla zedijithali zihlala ziza nezinto eziphambili:

• Ubuncinci/uBuqondo obuphezulu boRekhoda:Ilandelela awona maqondo obushushu aphezulu naphantsi arekhodiweyo kwisithuba sexesha.

Iingenelo Zokusebenzisa aIThermometer yesikhenkcisi seDijithali

Ukuchaneka nokuchaneka

Iithemometha zeDijithali zibonelela ngofundo oluchaneke kakhulu, ngokuqhelekileyo phakathi koluhlu lwe ±1°F (±0.5°C). Oku kuchana kubalulekile ukuze kugcinwe ubushushu obufanelekileyo, obufanele ukuba kwizikhenkcisi bube phakathi kwe-35°F ne-38°F (1.7°C ukuya ku-3.3°C) yaye kwizikhenkcisi kufuneka zibe ngaphantsi kwe-0°F (-18°C) okanye ngaphantsi kwe-0°C. Ukujongwa okuchanekileyo kobushushu kunceda ukuthintela ukonakaliswa kokutya kwaye kuqinisekise ukuba ukutya kwakho kuhlala kukhuselekile ukuba kungatyiwa.

Uncedo

Iziboniso zedijithali zifundeka lula, zisusa ukuqagela okuhambelana ne-analog thermometers. Iimodeli ezininzi zinezikrini ezinkulu, ezikhanyiswe ngasemva ekulula ukuzifunda naphantsi kokukhanya okuphantsi. Iimodeli ezingenazingcingo zikwaphucula ngakumbi ukusebenziseka ngokuvumela abasebenzisi ukuba babeke iliso kumaqondo obushushu bekude, benikezela ngezilumkiso zexesha lokwenyani ukuba amaqondo obushushu ayaguquguquka ngokungalindelekanga.

Ukhuseleko lokutya

Ukujongwa ngokufanelekileyo kobushushu kubalulekile kukhuseleko lokutya. Ngokwe-US Food and Drug Administration (FDA), ukugcina ubushushu obuchanekileyo kwisikhenkcisi sakho kunye nesikhenkcezisi kunciphisa ukukhula kweebhaktheriya eziyingozi. Ithemometha yedijithali inceda ekuqinisekiseni ukuba izixhobo zakho zombane zigcina amaqondo obushushu afanelekileyo, zinciphisa umngcipheko wezifo ezibangelwa kukutya.

Ukusebenza kakuhle kwamandla

Ukugcina amaqondo obushushu angaguqukiyo nako kunokufaka isandla ekusebenzeni kakuhle kwamandla. Ukuguquguquka kweqondo lokushisa kunokubangela ukuba i-compressor isebenze nzima, ukwandisa ukusetyenziswa kwamandla. Ngokusebenzisa ithemometha yedijithali ukujonga kunye nokuzinzisa amaqondo obushushu, ungenza ngcono isikhenkcisi sakho nokusetyenziswa kwamandla esikhenkcisi, okunokubanako ukuthoba amatyala akho ombane.

IiNgcaciso zeNzululwazi kunye neDatha

Ukubaluleka koLawulo lobushushu

I-FDA icebisa ukuba kugcinwe izikhenkcezisi zikwi-40°F (4°C) okanye ngaphantsi kwe-0°F (-18°C) ukuqinisekisa ukhuseleko lokutya. Ukuguquguquka kobushushu kunokukhokelela ekonakaleni kokutya, nto leyo ebeka imingcipheko yempilo kwaye ikhokelele kwinkcitho. Ukujongwa okuchanekileyo kweqondo lokushisa ngeethemometha zedijithali kunokunceda ukugcina la manqanaba acetyiswayo rhoqo.

Impembelelo ekuGcineni Ukutya

Uphando olupapashwe kwi-Journal of Food Protection lubonisa ukuba ukushisa okungafanelekanga kokugcinwa kweqondo lokushisa yimbangela ehamba phambili yezifo zokutya. Ukugcina ukutya kubushushu obuchanekileyo kunciphisa ukukhula kweebhaktheriya ezifana neSalmonella, E. coli, kunye neListeria. Ithemometha yedijithali inika ukuchaneka okufunekayo ukuqinisekisa ukuba la maqondo obushushu ayagcinwa, okomeleza ukhuseleko lokutya.

Ukusetyenziswa kwamandla

Uphononongo olwenziwa liSebe lezaMandla lase-US (DOE) lugxininisa ukuba ukugcinwa kwefriji echanekileyo kunye namaqondo obushushu efriji kunokuchaphazela kakhulu ukusetyenziswa kwamandla. Izixhobo zombane ezisokolayo ukugcina amaqondo obushushu angatshintshiyo zisebenzisa amandla amaninzi. Ngokusebenzisa ithemometha yedijithali ukujonga kunye nokulungelelanisa amaqondo obushushu, unokuqinisekisa ukuba izixhobo zakho zombane zisebenza ngokufanelekileyo.

Ukukhetha iThermometer yesikhenkcisi seDijithali esiLungileyo

Iingqwalasela

Xa ukhetha ithemometha yesikhenkcisi yedijithali, qwalasela le miba ilandelayo:

• Ukuchaneka:Qinisekisa ukuba isixhobo sinikezela ngokuchaneka okuphezulu, ngokufanelekileyo ngaphakathi kwe ±1°F (±0.5°C).
• Ukuqina:Jonga iimodeli ezomeleleyo kwaye zakhelwe ukuhlala.
• Iimbonakalo:Khetha ithemometha eneempawu ezihambelana neemfuno zakho, ezinje ngealam imisebenzi, uqhagamshelo olungenazingcingo, okanye ubushushu obuncinci/ubushushu bokurekhoda.
• Ukusebenziseka ngokulula:Khetha imodeli enomboniso ocacileyo, efundeka lula kunye nolawulo oluthe ngqo.

Ukuququmbela,Ithemometha yesikhenkcisi yedijithalis zizixhobo ezibalulekileyo zokugcina indawo efanelekileyo yokugcina ukutya. Ukuchaneka kwabo, ukulunga, kunye neempawu eziphucukileyo zibenza baphakame ngakumbi kwiithemometha zemveli. Ngokutyala imali kwithemometha yedijithali esemgangathweni, unokuqinisekisa ukhuseleko lokutya, uphucule ukusebenza kakuhle kwamandla, kunye nokwandisa ubomi bezixhobo zakho zombane.

Ukufumana ulwazi olugunyazisiweyo malunga nokhuseleko lokutya kunye nezindululo zobushushu, tyelela i-FDA'sUkhuseleko lokutyaiphepha kunye nee-DOE'sIsilondolozi samandlaizixhobo.

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