2025-08-05
M'malo a Ciarmationrine, zida zochepa zakhala zoyesa nthawi ngatiThermocouces. Ma sechecnt awa, ophatikizika, amakhala fupe la kutentha kwa kutentha m'mafakitale osawerengeka, chifukwa chopanga zitsulo ku Aerossoce. Koma zomwe zimawapangitsa kukhala osawoneka? Buku lakuya lino lidzafufuza sayansi kumbuyo, kugwiritsa ntchito njira zawo zosiyanasiyana, magawo othandiza pokha, ndikuyankha mafunso wamba, chifukwa chake amakhala akusankhidwa kukhala madera owoneka bwino.
Mfundo
Pachiyambi chawo, Thermoovoowics imagwira ntchito pamphepete mwa pembeli-phenomenon yopezeka mu 1821 pomwe zitsulo ziwiri zopanda mawonekedwe zimaphatikizidwa molingana ndi mphamvu yamagetsi pamagetsi. Pamene Junction Imodzi ("Kutentha Kwambiri") kumadziwika ndi kutentha komwe kumayesedwa ndi kwina ("chimbudzi chozizira") chimakhalabe pamakina odziwika bwino, mphamvu ya mphamvu imatha kusintha kutentha kosatha.
Kupanga kosavuta koma kwanzeru kumathetsa kufunika kwa mphamvu zakunja, kumapangitsa mawombo kukhala odalirika m'madera akutali kapena m'malo owopsa. Mosiyana ndi masensa okhudzana ndi kukana (RTDs), kulimba kwawo kumayambira chifukwa choyendayenda pang'ono.
Ubwino Wofunika
Thermocoul 'Kupirira Kutchuka kumayambira kuchokera maubwino asanu:
Palamu
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Lembani k
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Lembani J
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Lembani t
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Mtundu r
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Kutentha
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-200 ° C mpaka 1,372 ° C
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-40 ° C mpaka 750 ° C
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-270 ° C mpaka 370 ° C
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0 ° C mpaka 1,768 ° C
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Kulunjika
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± 1.5 ° C kapena ± 0,4% yowerenga (iliyonse yokulirapo)
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± 2,2 ° C kapena ± 0,75% yowerengera
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± 0,5 ° C mpaka 125 ° C); ± 1.0 ° C mpaka 370 ° C)
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± 1.0 ° C (0 ° C mpaka 600 ° C); ± 0,5% (600 ° C mpaka 1,768 ° C)
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Nthawi Yoyankha (T90)
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<1 yachiwiri (yodziwikiratu)
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<0,5 masekondi (cholumikizira)
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<0.3 masekondi (cholumikizira)
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Chingwe
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316 Zitsulo Zosapanga
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Illevesel 600
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304 Chitsulo Chopanda dzimbiri
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Choumbudwa
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Diath
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0.5mm to 8mm
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0.5mm to 8mm
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0.25mm to 6mm
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3mmm kuti 12mm
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Kutalika kwa chingwe
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Zosinthika (0.5m mpaka 50m)
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Zosinthika (0.5m mpaka 50m)
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Zosinthika (0.5m mpaka 30m)
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Zosinthika (0.5m mpaka 20m)
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Mtundu Wogwirizana
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Miniature (SMPW), Standard (MPJ)
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Miniature (SMPW), Standard (MPJ)
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Miniature (SMPW)
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Ceramic ceramic
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Q: Kodi ndimagwiritsa ntchito bwanji thermocouple, ndipo zimafunikira kangati?
Yankho: Calibration imaphatikizapo kufananizitsa thermocouple ya thermocouple kupita ku kutentha kodziwika (pogwiritsa ntchito kusamba kapena ng'anjo). Zofunsira motsutsa monga mankhwala opangira mankhwala, kuyenera kuchitika miyezi isanu ndi umodzi iliyonse. Zosavuta zongofuna kusintha (E.g., Hvac), kabulidwe kalipa pachaka. Thermocouvol ambiri amagwiritsa ntchito kulondola malinga ndi zaka 1-3 pansi pa ntchito wamba, koma mikhalidwe yovuta ingafunike macheke ochulukirapo. Tsatirani nthawi zonse malangizo a ISO 9001 a zolembedwa zakale.
Q: Kodi nchiyani chimayambitsa chipongwe, ndipo chitha bwanjipewe?
A: Kutaya pang'onopang'ono kwa zotsatira zolondola ndi zinthu zitatu zazikulu: 1) kusintha kwa zitsulo m'mawere chifukwa chowonekera kwa nthawi yayitali; 2) kuipitsidwa ndi mpweya kapena zakumwa zokhudzana ndi gawo; 3) kupsinjika kwamakina ku kugwedeza kapena kutentha kwa mafuta. Njira zopewera ndi: Kusankha mtundu wolondola wa kutentha kwa kutentha, pogwiritsa ntchito zingwe zoteteza m'malo otetezeka, ndikusintha zingwe kuti muchepetse njira zawo zoyembekezeredwa (zambiri 80% ya moyo wovota kuti zizichitika).