Nyob rau hauv txoj kev xav, ob qho tib si conductors (los yog semiconductors) tuaj yeem teeb tsa ua cov thermocouples, tab sis raws li kev ntsuas kub ntsuas, cov kev cai rau lawv muaj ntau yam. Txhawm rau kom ntseeg tau tias muaj kev ntseeg siab thiab ntsuas qhov tseeb txaus hauv engineering technology, tsis yog txhua yam khoom siv tuaj yeem tsim cov thermocouples. Feem ntau, cov kev cai yooj yim rau cov khoom siv electrode ntawm thermocouples yog:
(1) Nyob rau hauv qhov ntsuas kub, cov khoom siv hluav taws xob muaj qhov ruaj khov, tsis hloov nrog lub sijhawm, muaj lub cev txaus thiab tshuaj lom neeg ruaj khov, thiab tsis yooj yim oxidized lossis corroded;
(2) Tsis tshua muaj kub coefficient ntawm tsis kam, siab conductivity, thiab tsawg kub tshwj xeeb;
(3) Lub peev xwm thermoelectric generated nyob rau hauv qhov ntsuas kub yuav tsum loj, thiab muaj ib tug linear los yog nyob ze linear ib tug muaj nuj nqi muaj nuj nqi kev sib raug zoo ntawm thermoelectric peev xwm thiab kub;
(4) Cov khoom siv rov ua tau zoo, muaj zog txhua yam, kev tsim khoom yooj yim, thiab tus nqi pheej yig.