Thermocouple Voltage to Temperature Calculator

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Select one of the 8 letter-designated thermocouple types from the console, type any voltage (mV) within the thermocouples range into the Thermocouple (mV) window and press calculate. The calculator will produce the NIST thermocouple table temperature value for that voltage along with the sensitivity or Seebeck coefficient (dV/dT).

All thermocouple voltages should be entered in millivolts (mV). The Seebeck coefficient (given in mV/°C) describes the slope of the reference function at the selected temperature and can be used to calculate the impact of an incremental change in temperature on thermocouple voltage.

Reference junction (cold junction) compensation

The thermocouple table values given by this calculator are based on a reference junction (cold junction) temperature of 0 °C (32 °F). To calculate the temperature based on a different reference junction temperature, enter the new value in the same units of temperature selected in the calculator.

Disclaimer

It is not recommended that you rely exclusively on this calculator,which is provided for information purposes only. While we have taken reasonable steps to ensure that the values generated by this calculator are correct, no warranty is made, either express or implied, as to its accuracy or fitness for purpose. We cannot accept responsibility for the consequences of errors or omissions in the information provided.