The sample of indium is contained in a test tube. The Hot junction of the Copper-Constantan thermocouple is inside the indium and the test tube and sample are supported by an aluminum holder. Melt the ...

For example, J type thermocouples are made with iron and constantan (copper-nickel alloy) and are suited for measurements in the –210°C to 1200°C range, while T type thermocouples are made with copper ...