On Wed, 23 Feb 2005, Ale[x] Garbino wrote:

> I'm looking to get a couple of K thermocouples, and I also need to measure a 
> few 0C-300C (or thereabouts: Oil temp, water temp, charge air temperature in 
> turbocharged engine).
> Should I use thermocouples or thermisotrs for the lower-temp group?
> Any recommendations as to a good place to get a few for cheap?
> I'm planning on reading the thermocouples with ICs on an I2C bus round-robin 
> fashion.

In a car environment you *have* to use cold junction compensation 
(because of the wide ambient temperature swing).

Peter
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