Hoʻohana nui ʻia nā thermocouples ʻākau ʻākau i nā noi kahi i kūpono ʻole ai ka hoʻonohonoho ʻana, a i ʻole kahi e ana ʻia ai nā mahana kiʻekiʻe a me nā kinoea ʻawaʻawa, a ʻo nā hiʻohiʻona maʻamau he ʻano K a me E. ʻOiaʻiʻo, hiki ke hoʻopili ʻia nā hiʻohiʻona ʻē aʻe. Hoʻohana nui ʻia i ka metallurgy, ʻoihana kemika, non-ferrous metala hoʻoheheʻe ʻia, ʻoi aku ka maikaʻi no ka alumini wai, ka ʻike ʻana o ke keleawe keleawe, no kona kiʻekiʻe kiʻekiʻe, ʻaʻole i corroded ke kaʻina ana wela e ka alumini wai; ʻO ke kūpaʻa haʻalulu maikaʻi, ke kūpaʻa insulation i ka oxidation, ke kiʻekiʻe kiʻekiʻe a me ke kūpaʻa ʻaʻahu, ke ola lōʻihi.