Tankii CuNi44 na-enye ihe mgbochi ọkụ eletrik dị elu yana ọnụọgụ dị ala nke nguzogide (TCR). N'ihi TCR ya dị ala, ọ na-ahụ na ejiri ya na ndị na-emegide ya nwere ike ịrụ ọrụ ruo 400°C (750°F). Alloy a nwekwara ike ịmepụta ike electromotive dị elu na mgbe niile mgbe ejikọtara ya na ọla kọpa. Ngwongwo a na-enye ya ohere iji ya maka thermocouple, mgbatị thermocouple na nkwụghachi ụgwọ. Ọ na-adị mfe ire ere, welded.