Qhov txawv ntawm B thiab N thermocouples yog dab tsi?

Qhov txawv ntawm B thiab N thermocouples yog dab tsi?

Hom B thermocouple muaj qhov zoo ntawm qhov raug siab tshaj plaws, kev ruaj ntseg zoo, qhov kub thiab txias ntau, lub neej ua haujlwm ntev, thiab qhov kub tsis kam. Nws yog qhov tsim nyog rau oxidizing thiab inert cua, thiab kuj haum rau siv lub sij hawm luv luv hauv lub tshuab nqus tsev, tab sis tsis haum rau kev txo cov huab cua lossis hlau lossis tsis yog hlau vapor cua. Ib qho txiaj ntsig zoo ntawm B-hom thermocouple yog tias nws tsis tas yuav tsum tau them nyiaj nrog txoj kab them nyiaj, vim tias qhov ntsuas kub ntawm cov thermocouple tsawg dua 3μV nyob rau hauv thaj tsam ntawm 0 txog 50 degree.
N-hom thermocouple muaj zoo linearity, loj thermoelectromotive quab yuam, siab rhiab heev, zoo stability, zoo uniformity, muaj zog oxidation kuj, tsis tshua muaj nqi, thiab tsis cuam tshuam los ntawm luv luv txiav txim. Nws txoj kev ua tau zoo yog zoo dua li K thermocouple, nws yog ib hom kev cog lus thermocouple.

N-hom thermocouple tsis tuaj yeem siv ncaj qha rau sulfur ntawm qhov kub thiab txias, txo lossis txo qis, oxidation nyob rau hauv alternating cua thiab nqus tsev vacuum, thiab nws tsis pom zoo rau siv nyob rau hauv ib tug weakly oxidizing ib puag ncig.

Qhov txawv ntawm S thiab R thermocouples yog dab tsi?

Qhov tsis zoo ntawm S-hom thermocouple yog qhov kub ntawm qhov sib txawv me me, kev nyeem ntawv tsis tshua muaj siab, tsis tshua muaj qhov kub thiab txias txhua yam muaj zog, rhiab rau cov pa phem, cov khoom siv hlau kim heev, thiab kev nqis peev loj ib zaug.
Qhov tsis zoo ntawm R-hom thermocouples yog cov thermoelectric tsis tshua muaj peev xwm, tsis tshua muaj siab, txo cov neeg kho tshuab lub zog ntawm qhov kub thiab txias, rhiab heev rau cov pa phem, cov khoom siv hlau kim heev, thiab kev nqis peev loj ib zaug.

Tsuas paub qhov txawv cov hlau nplaum, K-hom thermocouple anode tuaj yeem nqus tau, J-hom thermocouple anode tuaj yeem nqus tau.
1. Txoj kev yooj yim tshaj plaws kom paub qhov txawv yog nrhiav cov hlau nplaum. K-hom thermocouple hlau yog qhov zoo thiab ntsuab thiab tsis sib nqus, qhov tsis zoo yog xim dub thiab grey, thiab J-hom thermocouple yog qhov zoo thiab tsis zoo. Lwm hom thermocouples feem ntau yog siv rau cov khoom ntsuas sib txawv thiab qhov kub thiab txias. Sib txawv, tsuav yog qhov ntsuas kub kom tsim nyog, tsis muaj qhov sib txawv ntawm kev siv tiag tiag.
2. Ib qho yooj yim heev K-hom J-type index table, ces muab tso rau hauv boiling dej ntawm 100 degree, sim nws cov peev xwm tus nqi rau tsawg voltage, sau cov ntaub ntawv, sib piv lub Performance index rooj, cov ntaub ntawv ntsuam xyuas yog ze rau lub Performance index rooj. , tus qauv piav raws li feeb yeej tsis zoo. Kuv yuav lub ntsuas kub nrog qhov ntsuas ntawm K thiab kuaj ob lub ntsuas ntsuas sib cais.
Hom K yog nickel-chromium-nickel-silicon. Raws li txoj kab uas hla ntawm cov hlau, kev khiav hauj lwm kub yog 200 txog 1300 degrees. Hom J yog hlau tsis tu ncua. Raws li txoj kab uas hla ntawm cov hlau hlau, kev khiav hauj lwm kub yog -200 txog 750 degrees.

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