Constantan, also known in various contexts as Eureka, Advance, and Ferry, refers to a copper-nickel alloy commonly used for its stable electrical resistance across a wide range of temperatures. [1] It usually consists of 55% copper and 45% nickel. [2]

康铜丝 康銅 （英語： Constantan）是一種 銅 鎳 合金，由55%的銅和45%鎳（Cu 55 Ni 45） [1] 或55%的銅、44%鎳、與1%錳（Cu 55 Ni 44 Mn 1）所組成，它的 電阻率 高，且 電阻 特性是不易隨 溫度 變化而改變。 另一種具有相似特性的合金是 錳銅 （manganin）。

康铜（英语：Constantan）是一种铜镍合金，由55%的铜和45%镍（Cu55Ni45）所组成，它的特性是不易随温度变化而改变其性质，且电阻率高。 具有低的电阻率温度系数和中等电阻率 (电阻率为0.48μΩ·m)。

Constantan is nickel and copper-based alloy wire that has a high resistivity and is mainly used for thermocouples and electrical resistance heating. It has a constant resistivity over a wide range of temperatures.

Constantan is a copper-nickel alloy usually consisting of 55% copper and 45% nickel and specific minor amounts of additional elements to achieve precisely (almost constant) values for the temperature coefficient of resistivity.

Constantan is a copper–nickel alloy consisting usually of 55% copper and 45% nickel and specific minor amounts of additional elements to achieve precise (almost constant) values for the temperature coefficient of resistivity.

Constantan is a copper–nickel alloy consisting usually of 55% copper and 45% nickel and specific minor amounts of additional elements to achieve precise (almost constant) values for the temperature coefficient of resistivity.

CONSTANTAN® sistivity. Careful control of melting and conversion practices results in a very low level of pinholes at ultra-thin t icknesses. The alloy is used extensively for foil resistors and str

Constantan® is a copper-nickel alloy that contains specific minor amounts of additional elements to achieve precise values for the temperature coefficient of resistivity. Careful control of melting and conversion practices results in a very low level of pinholes at ultra-thin thicknesses.

CONSTANTAN® Constantan is a copper-nickel alloy that contains specific minor amounts of additional elements to achieve precise values for the temperature coefficient of resistivity. Careful control of melting and conversion practices results in …