A pụkwara ịkpọ waya ndị na-akwụghachi thermocouple dị ka waya ngwaọrụ, ebe ọ bụ na a na-eji ha atụ ihe gbasara okpomọkụ usoro. Nhazi ahụ yiri waya ngwaọrụ njikọ mana ihe na-eduzi ya dị iche.
A na-eji thermocouples eme ihe n'usoro iji chọpụta okpomọkụ ma jikọọ ha na pyrometers maka ihe ngosi na njikwa. A na-eji waya ndọtị thermocouple / waya ndị na-akwụghachi thermocouple eme thermocouple na pyrometer eletrik. A chọrọ ka ndị na-eduzi waya thermocouple ndị a nwee ihe yiri nke thermo-electric (emf) dị ka nke thermocouple eji achọpụta okpomọkụ.
Ụlọ ọrụ anyị na-arụpụta waya KX,NX,EX,JX,NC,TX,SC/RC,KCA,KCB maka thermocouple, a na-ejikwa ha na ngwa nha okpomọkụ na waya. Ngwaahịa thermocouple anyị niile na-agbaso iwu GB/T 4990-2010 'Way Alloy nke eriri ndọtị na nkwụghachi ụgwọ maka thermocouples' (Chinese National Standard), yana IEC584-3 'Thermocouple part 3-compensating waya' (International Standard).
Ihe nnọchite anya nke waya comp.: koodu thermocouple+C/X, dịka ọmụmaatụ SC, KX
X: Mkpụmkpụ maka ndọtị, pụtara na alloy waya compensation dị ka alloy nke thermocouple
C: Mkpụmkpụ maka nkwụghachi, pụtara na alloy waya nkwụghachi nwere ihe odide yiri ya na alloy thermocouple n'ogo okpomọkụ ụfọdụ.
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