Constantan Wire Roll

Constantan Wire Roll

Contantan is a copper-nickel alloy also known as Eureka, Advance, and Ferry.
It consists of 55% copper and 45% nickel.
Its main feature is its resistivity, which is constant over a wide range of temperatures.
Double rayon covered 125g with different sizes (SWG 26, SWG28, SWG 30).