App note: Thermocouple 101 video series
Here’s a web video series from Analog Devices describing thermocouples (TC) and how to get the most out of them. TC is a temperature sensor that outputs a voltage dependent on the temperature difference between these two ends.
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Thermocouple – When you get all hot and steamy with your girlfriend ;)
This is only the first one in the series. Here they all are, in order:
What is a Thermocouple?
Cold Junction Compensation
Measuring the Tiny Signal
Setting the Common Mode Voltage
Open Thermocouple Detection
Filtering a Thermocouple
Compensating for Nonlinearity
hmm, looks like some of the links might have gotten mangled. Here are urls of each:
http://www.youtube.com/watch?feature=player_embedded&v=Xp7ZNAc9Fis
http://www.youtube.com/watch?v=Ubg19_aRWJE
http://www.youtube.com/watch?v=jezWa06n4bM
http://www.youtube.com/watch?v=m5ZBOGHjz4c
http://www.youtube.com/watch?v=ydP3HDFmxXw
http://www.youtube.com/watch?v=8KhqIbwcOhg
http://www.youtube.com/watch?v=buR_mP_cSbo