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Implementing cold-junction compensation in thermocouple applications

Posted: 28 Jun 2007 ?? ?Print Version ?Bookmark and Share

Keywords:thermocouple? temperature measurement? cold junction compensation?

Thermocouples are one of the most widely used temperature-measurement devices because of their ruggedness, repeatability, and fast response time. This application note discusses the basic operation of a thermocouple, which includes the definition and function of a reference (cold) junction. The note also gives guidelines for selecting a device for cold-junction temperature measurement based on application needs. Three circuit examples are shown.

Please view the PDF document for more information.

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