Thaum cov khoom siv hlau thib peb tau nkag mus rau hauv lub thermocouple Circuit Court, ntev npaum li qhov kub ntawm ob qhov sib txuas ntawm cov khoom siv no zoo ib yam, cov khoom siv hluav taws xob thermoelectric uas tsim los ntawm cov thermocouple yuav nyob twj ywm tsis hloov, piv txwv li, nws yuav tsis cuam tshuam los ntawm kev taw qhia ntawm peb cov hlau rau hauv Circuit Court. Yog li ntawd, thaum ntsuas qhov ntsuas kub nrog lub thermocouple, lub ntsuas ntsuas tuaj yeem txuas nrog ntsuas qhov ntsuas kub, thiab tom qab ntawd qhov ntsuas kub ntawm qhov ntsuas nruab nrab tuaj yeem txiav txim siab. Thermocouple ntsuas kub yuav tsum tau ntsuas qhov kub ntawm qhov txias txias (qhov ntsuas qhov kawg yog qhov kub sib txuas, thiab qhov kawg txuas nrog ntsuas ntsuas hluav taws xob los ntawm cov hlau lead hlau hu ua qhov sib txuas txias) tseem nyob tas li, yog li ntawd qhov loj ntawm cov thermoelectric peev xwm yog proportional rau qhov ntsuas kub. Yog tias qhov txias txias (ambient) kub hloov thaum ntsuas, nws yuav cuam tshuam rau qhov tseeb ntawm qhov ntsuas. Kev siv qee yam kev ntsuas los them nyiaj rau cov teebmeem tshwm sim los ntawm kev hloov pauv hauv qhov txias txias yog hu ua thermocouple txias junction them nyiaj. Cov xov hlau tshwj xeeb yog siv los txuas rau lub ntsuas ntsuas.
Thermocouple Cold Junction Compensation Calculation Method:
Los ntawm millivolts mus rau qhov kub thiab txias: ntsuas qhov kub ntawm qhov txias txias, hloov mus rau tus nqi millivolt sib raug, ntxiv rau lub thermocouple tus nqi millivolt, thiab tom qab ntawd hloov mus rau qhov kub thiab txias;
Los ntawm qhov kub thiab txias mus rau millivolts: Ntsuas qhov ntsuas kub thiab qhov txias txias, hloov mus rau millivolt qhov tseem ceeb sib cais, rho tawm kom tau txais tus nqi millivolt, thiab tom qab ntawd tau txais qhov ntsuas kub.
