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error ratio for k type

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Robin Clark 2011-03-16 09:10:52 +00:00
parent 839da93a3e
commit 676838815b
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fmmd_design_aide/fmmd_design_aide.tex
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@ -573,7 +573,7 @@ but statistically less reliable.
Because the potential divider provides an offset as a side effect of detecting a disconnection Because the potential divider provides an offset as a side effect of detecting a disconnection
resistance in the thermocopule extension or compensation cable will have an effect. resistance in the thermocopule extension or compensation cable will have an effect.
For a `k' type thermocouple this would be of the order of $5 { }^{o}C$ for $100\Omega$ of For a `k' type thermocouple this would be of the order of $0.5 { }^{o}C$ for $10\Omega$ of
cable loop impedance. Therefore, accuracy constraints and cable impedance should be considered cable loop impedance. Therefore, accuracy constraints and cable impedance should be considered
to determine specified maximum compensation/extension lengths. to determine specified maximum compensation/extension lengths.