Thermocouple Temperature & Voltage Calculator

A thermocouple is a type of temperature sensor that is widely used in industrial and scientific applications. It consists of two dissimilar metal wires that are joined together at one end and exposed to the temperature being measured at the other end. When the temperature at the measuring end of the thermocouple changes, it creates a small voltage that is proportional to the temperature difference between the two ends. This voltage is used to calculate the temperature being measured.

Thermocouples are used in a wide variety of industrial applications, including in furnaces, boilers, and other high-temperature processes. They are also used in scientific research to measure temperature in laboratory experiments. The main advantages of thermocouples are their fast response time, wide temperature range, and durability in harsh environments.

There are several different types of thermocouples, each with its own set of characteristics and temperature range. The most commonly used thermocouple types are J, K, T, E, and N. Each type uses a different combination of metals in the wires to create a unique voltage output for a given temperature range.

The most widely used thermocouple type is the K-type, which uses a combination of nickel and chromium wires. K-type thermocouples can measure temperatures from -200°C to over 1300°C and are highly accurate and stable over a wide temperature range. They are commonly used in industrial applications such as metallurgy, food processing, and heat treating.

Another popular thermocouple type is the J-type, which uses a combination of iron and constantan wires. J-type thermocouples can measure temperatures from -40°C to 750°C and are commonly used in lower temperature applications such as food service, refrigeration, and biomedical research.

Thermocouples are also available in a variety of form factors, including wire, probe, and surface-mounted sensors. The most common type of thermocouple is the probe sensor, which consists of a metal probe that is inserted into the material being measured. The tip of the probe is usually sheathed in a protective material to prevent damage to the wires and to provide insulation.

In summary, thermocouples are widely used temperature sensors in industrial and scientific applications. They work on the principle of creating a small voltage proportional to the temperature difference between two dissimilar metal wires. There are several different types of thermocouples, each with its own set of characteristics and temperature range. The most commonly used types are K-type and J-type thermocouples. Thermocouples are available in a variety of form factors, including wire, probe, and surface-mounted sensors, and are valued for their fast response time, wide temperature range, and durability in harsh environments.

This Caluclator supports most common types of thermocouple J-type & K-type.