how to measure TCf in pratice?

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leebluer

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I know the definition of TCf, which defined as TCf=(dX/dT)/X. But I don't know how to calculate a TCf from an output curve.
For example, should the TCf in undercurve be ((Va-Vb)/(Ta-Tb))/Va?

thanks & best regards,
 

If you are only interested in the temperaure range from a~b, your defenition is correct.

Raymond
 

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