Cu-CuNi thermocouple (type T) is also named Cu- Constantan thermocouple. The positive leg Cu(TP) is made by pure Copper, and the main chemical composition of negative leg Constantan (TN) is Cu: Ni≈ 55%: 45%.
This double wall electric calorimeter has a heating coil for the electrical equivalent of heat experiments. The product is composed of inner cylinder, outer cylinder, upper cover, thermal insulation support sleeve, mixer and electric heater.