Thermocouple (TC) Table or thermocouple calibration tables are just that, tables of dc millivolt output versus temperature for a specific thermocouple type. They are usually given in one degree increments referenced to either 0 °C or 32 °F according on the whether the Table’s temperature is in degrees Fahrenheit or Celsius.

Below are two sets of downloads, first in degree Celsius from the NIST web site in directly readable ascii format, and second, in both degrees Celsius and Fahrenheit, from the Pyromation Inc. web site in Adobe Acrobat format.

NIST’s Thermocouple Tables and Coefficients:

Web version of Standard Reference Database 60. NIST reference functions and tables of thermocouple electromotive force (emf) versus temperature have been adopted as standards by the American Society for Testing and Materials (ASTM) and the International Electrotechnical Commission (IEC).

Distributed by Standard Reference Data Program of the National Institute of Standards and Technology.
NIST reserves the right to charge for access to this database in the future.

Temperature vs.Millivolts DC (EMF) Tables:

Directly downloadable from the NIST online data base on their web site in the USA: (NIST, the National Institute of Standards and Technology, is an agency of the U.S. Commerce Department’s Technology Administration)

TC Tables and Coefficients Index page at NIST that includes the definitions and formats for the various tables and coefficients used in realizing the tables in Degrees Celsius.

Direct download links from the NIST data base files (Degrees Celsius, only) (Note that these files have the extension *.tab, but are in ASCII format and can be renamed easily to *.txt or *.asc ):

All Thermocouple Types in ASCII or text format (NIST WEB file) (131K)

Pyromation Inc’s Thermocouple Tables

The links below will enable thermocouple calibration tables to be downloaded in Adobe Acrobat portable document format (.pdf) in degrees Celsius and Degrees Fahrenheit.

The Acrobat Reader can be obtained free from Adobe’s link at the bottom of this page.

A more complete set of available, downloadable tables can be found at the site on the web where these tables originate, Pyromation Inc‘s web site. The page there also includes (downloadable) tables for non-USA standard TC types, RTD resistance vs temperature tables and specifications for several thermocouple and RTD types.

Click Here to Download All of these Tables From the Pyromation Website in Adobe PDF File Format

Non-standard letter-designated thermocouples

Click Here to Download All of these Tables


Acrobat and the Acrobat logo are trademarks of Adobe Systems Incorporated.

Note: There are other sources for thermocouple tables on the Web, some of which have been used in earlier versions of this page. However, some of those data were on web sites that revised their web page addresses and made it more difficult to keep track of the information.

NIST data has been at these same web locations since 1999. Pyromation was at the same address from 1999 to August 2005 but changed theirs later. We recently updated the connections.

If your organization has similar data available, or some unique versions, and would like us to ADD A LINK to it on these pages, please send an email to info [at] temperatures [dot] com so we can discuss getting you credit for a useful online resources or submit the information on our “SUBMIT” page using the link at the top of every page..


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