Taba ea pele, mabapi le sebopeho sa thepa, terata ea thermocouple ea mofuta oa J e na le motsoako oa tšepe le constantan. Tšepe e sebetsa e le leoto le letle, ha constantan (amotsoako oa koporo - nickel) e sebetsa e le leoto le fosahetseng. Ka lehlakoreng le leng, terata ea thermocouple ea mofuta oa K e entsoe kachrome- motsoako oa alumel. Chromel, e entsoeng haholo-holo ka nickel le chromium, ke leoto le letle, 'me alumel, motsoako oa nickel-aluminium-manganese-silicon, ke leoto le letle. Phapang ena ea thepa e lebisa ho liphetoho litšobotsing tsa tsona tsa ts'ebetso.

Taba ea bobeli, maemo a mocheso ao ba ka a lekanyang a fapana haholo.J - mofuta oa thermocouplesHangata li ka lekanya mocheso ho tloha ho - 210°C ho isa ho 760°C. Li loketse hantle bakeng sa mefuta e fapaneng ea lits'ebetso tse nang le litlhoko tsa mocheso o itekanetseng. Mohlala, indastering ea ts'ebetso ea lijo, li-thermocouple tsa mofuta oa J li sebelisoa hangata liontong tsa ho baka. Ha ho besoa bohobe, mocheso ka har'a onto hangata o tloha ho 150°C ho isa ho 250°C. Lithapo tsa rona tsa thermocouple tsa mofuta oa J tsa boleng bo holimo li ka beha leihlo mocheso ona ka nepo, li netefatsa hore bohobe bo apehiloe ka ho lekana 'me bo fihlela sebopeho se phethahetseng. Tšebeliso e 'ngoe ke tlhahisong ea meriana, moo li-thermocouple tsa mofuta oa J li sebelisetsoang ho lekanya mocheso nakong ea ts'ebetso ea ho omisa meriana e itseng. Mocheso ts'ebetsong ena hangata o bolokoa ka har'a 50°C ho isa ho 70°C, 'me lihlahisoa tsa rona tsa terata tsa thermocouple tsa mofuta oa J li ka fana ka data e tšepahalang ea mocheso, ho sireletsa boleng ba meriana.

Ka lehlakoreng le leng, li-thermocouple tsa mofuta oa K li na le mocheso o pharaletseng, ho tloha ho - 200°C ho isa ho 1350°C. Sena se etsa hore li be bohlokoa haholo lits'ebetsong tsa mocheso o phahameng. Indastering ea ho etsa tšepe,K - mofuta oa thermocouplesli sebelisoa ho lekola mocheso ka har'a sebōpi sa ho phatloha. Lithempereichara ka har'a sebōpi sa ho phatloha li ka fihla ho 1200°C kapa ho feta. Lithapo tsa rona tsa thermocouple tsa mofuta oa K li ka mamella mocheso o feteletseng joalo ha li ntse li boloka ho nepahala ho hoholo, li lumella basebetsi ho laola ka nepo ts'ebetso ea ho qhibilihisa le ho netefatsa boleng ba tšepe. Lefapheng la lifofane, nakong ea liteko tsa likarolo tsa enjene ea jet, li-thermocouple tsa mofuta oa K li sebelisoa ho lekanya likhase tsa mocheso o phahameng tse hlahisoang nakong ea ts'ebetso ea enjene. Likhase tsena li ka fihla mochesong o haufi le 1300°C, 'me lihlahisoa tsa rona tsa terata ea thermocouple tsa mofuta oa K li ka fana ka lipalo tse nepahetseng tsa mocheso, tse bohlokoa bakeng sa nts'etsopele le ntlafatso ea lienjene tsa jet.

Ho nepahala ke ntlha e 'ngoe ea bohlokoa. Li-thermocouple tsa mofuta oa K ka kakaretso li fana ka ho nepahala ho betere holim'a mocheso o pharaletseng ha li bapisoa le li-thermocouple tsa mofuta oa J. Ho tsitsa ha li-thermocouple tsa mofuta oa K libakeng tse thata le hona ho tlatsetsa ho nepahaleng ha tsona ho hoholo, e leng se etsang hore e be khetho e ratoang bakeng sa lipatlisiso tsa saense le lits'ebetso tsa indasteri tse nepahetseng haholo.

Ho Tankii, lihlahisoa tsa rona tsa terata ea thermocouple ea J le K li etsoa ka taolo e tiileng ea boleng. Lithapo tsa rona tsa thermocouple tsa mofuta oa J li netefatsa ts'ebetso e tšepahalang kahare ho mocheso oa tsona o boletsoeng, ha lithapo tsa rona tsa thermocouple tsa mofuta oa K li etselitsoe ho mamella mocheso o phahameng ka ho nepahala le botsitso bo botle. Hore na u hloka ho lekanya lits'ebetso tsa sehatsetsing tsa mocheso o tlase kapa likarabelo tsa indasteri tsa mocheso o phahameng, lihlahisoa tsa rona tsa terata ea thermocouple li ka u fa data e nepahetseng le e tsitsitseng ea mocheso, e u thusang ho ntlafatsa ts'ebetso ea hau le ho netefatsa boleng ba sehlahisoa.