Kj-ubwoko bwa screw thermocouple ni sensor ipima ubushyuhe. Igizwe nubwoko bubiri bwicyuma, bwahujwe hamwe kumpera imwe. Iyo ihuriro ryibyuma byombi bishyushye cyangwa bikonje, havamo voltage ishobora guterwa nubushyuhe. Amavuta ya Thermocouple akoreshwa kenshi nkinsinga.