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Thermocouples yog ib qho ntawm feem ntau siv cov ntsuas kub ntsuas hauv kev lag luam, thiab lawv qhov zoo yog:

Thermocouples yog ib qho ntawm feem ntau siv cov ntsuas kub ntsuas hauv kev lag luam, thiab lawv qhov zoo yog:

① Kev ntsuas qhov tseeb. Vim yog kev sib cuag ncaj qha ntawm cov thermocouple thiab cov khoom kuaj, nws tsis cuam tshuam los ntawm qhov nruab nrab nruab nrab.

② Kev ntsuas dav dav. Feem ntau siv cov thermocouples tuaj yeem ntsuas tsis tu ncua los ntawm -50 mus rau +1600 degree, thaum qee qhov tshwj xeeb thermocouples tuaj yeem ntsuas txog -269 degree (xws li kub hlau nickel chromium) thiab mus txog +2800 degree (xws li tungsten rhenium).

③ Kev tsim kho yooj yim thiab siv tau yooj yim. Thermocouples feem ntau yog tsim los ntawm ob hom hlau hlau, thiab tsis txwv los ntawm qhov loj lossis pib. Lawv muaj lub tes tsho tiv thaiv sab nraud, ua rau lawv yooj yim heev rau siv.

1. Lub hauv paus ntsiab lus ntawm thermocouple ntsuas kub

solder ob yam khoom ntawm conductors los yog semiconductors A thiab B ua ke los tsim ib tug kaw Circuit Court. Thaum muaj qhov kub thiab txias sib txawv ntawm ob lub ntsiab lus txuas 1 thiab 2 ntawm conductors A thiab B, ib qho hluav taws xob hluav taws xob yog tsim los ntawm lawv, ua rau muaj qhov tam sim no ntawm qee qhov loj hauv Circuit Court. Qhov tshwm sim no hu ua cov nyhuv thermoelectric. Thermocouples ua haujlwm los ntawm kev siv cov nyhuv no.

2. Hom thiab qauv tsim ntawm thermocouples

(1) Hom thermocouples

Feem ntau siv cov thermocouples tuaj yeem muab faib ua ob pawg: tus qauv thermocouples thiab tsis yog tus qauv thermocouples. Tus txheej txheem thermocouple xa mus rau yog hais txog lub thermocouple uas muaj lub teb chaws tus qauv uas qhia txog kev sib raug zoo ntawm nws cov thermal muaj peev xwm thiab qhov kub thiab txias, tso cai yuam kev, thiab ib qho kev sib koom ua ke ntawm cov qauv kawm tiav. Nws muaj nrog cov cuab yeej tso saib rau xaiv. Tsis yog tus qauv thermocouples tsis zoo li tus qauv thermocouples raws li kev siv ntau lossis kev txiav txim ntawm qhov loj, thiab feem ntau tsis muaj lub rooj kawm tiav. Lawv tsuas yog siv rau kev ntsuas hauv qee lub sijhawm tshwj xeeb. Standardized thermocouple

Thermocouples thiab thermal resistors yog tag nrho ua raws li IEC thoob ntiaj teb cov qauv, thiab xya tus qauv thermocouples, xws li S, B, E, K, R, J, thiab T (piv txwv li cov lej kawm tiav), raug xaiv raws li cov qauv tsim thermocouples hauv Suav teb.

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