Copper Constantan Thermocouple Experiment

Calibrating calibration charts of thermocouple.

Copper constantan thermocouple experiment.

Type t thermocouple copper constantan. The type t has excellent repeatability between 380f to 392f 200c to 200c. A device such as that shown above can be produced with many junctions which when connected in series gives output voltages of the order of one volt rather than the usual microvolts encountered with copper constantan thermocouples. Also it is the negative element of the type t thermocouple with ofhc copper the positive.

Type t thermocouples are used at cryogenic temperatures. This consists of iron and constantan metals and is commonly used in inert oxidizing vacuum or reducing atmospheres as compared to constantan the iron element in this types of thermocouple wire oxidizes faster at temperatures higher than 1000 degrees fahrenheit. T e m p e r a t u r e p r o c e s s i n s t r u m e n t s i n c technical information data bulletin type t thermocouple copper constantan temp 0 1 2 3 4 5 6 7 8 9. Type k thermocouple consisting of chromel and alumel alloys it is also used in.

Constantan is also the negative element of the type j thermocouple with iron being the positive. It is found in other laboratory environments as well. Type j thermocouples are used in heat treating applications. Uses tend to be restricted to ac circuits.