Hoʻohana ʻia ka mea hoʻohuihui no ka hana ʻana i nā kūlana kū'ē, uea pololeinā mea pale ʻeha, potentiometers, shunts a me nā mea uila ʻē aʻe
a me nā ʻāpana uila. He haʻahaʻa loa ka ikaika electromotive thermal (emf) o kēia mea hoʻohuihui keleawe-Manganese-Nickel e kūʻē i ke keleawe, kahi
he mea kūpono ia no ka hoʻohana ʻana i nā kaapuni uila, ʻoi aku hoʻi ʻo DC, kahi e hiki ai i kahi emf thermal spurious ke hana hewa i ka uila
lako. ʻO nā ʻāpana i hoʻohana ʻia ai kēia metala e hana maʻamau i ka mahana o ka lumi; no laila kona coefficient mahana haʻahaʻa
ua kāohi ʻia ke kūpaʻa ma luna o kahi pae o 15 a 35ºC.

Nā Waiwai Kemika