A basic guide to thermocouple measurements

8th January 2019
Posted By : Alex Lynn
A basic guide to thermocouple measurements

Thermocouples are common temperature sensors used in a wide variety of commercial and industrial applications. While slightly less accurate than resistance temperature detectors (RTDs), thermocouples cover a wide temperature range, are self-powered, and have a fast response time. Their simple construction make them inexpensive and durable. 

Because of the small sensor voltage and low noise requirements, delta-sigma analog-to-digital converters (ADCs) are well suited data converters for measuring thermocouples. This application report from Texas Instruments gives an overview of thermocouples, discussing theory of operation, functionality, and methods in temperature measurement.

Many circuits are presented showing thermocouple connections to precision ADCs. Different topologies focus on biasing thermocouples for the ADC input and for burn-out measurements.

To read the full report, click here.


You must be logged in to comment

Write a comment

No comments




Sign up to view our publications

Sign up

Sign up to view our downloads

Sign up

Girls in Tech | Catalyst | 2019
4th September 2019
United Kingdom The Brewery, London
DSEI 2019
10th September 2019
United Kingdom EXCEL, London
EMO Hannover 2019
16th September 2019
Germany Hannover
Women in Tech Festival 2019
17th September 2019
United Kingdom The Brewery, London
European Microwave Week 2019
29th September 2019
France Porte De Versailles Paris