What is linearity of RTD over 0 to 200 degC?
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Answer Posted / dr. v.s.v.mani
0.4% of FS. The Pt 100 has 100 ohms at 0 degC, 175.8 ohms
at 200 degC. However at 100 degC, resistance is not 137.9
ohms but 138.5 ohms, which is 0.6 ohms higher. [Now 0.6/
(175.8- 100)]*100% is 0.8%. However with respect to a best
fit straight line, the deviation from straight line is +/-
0.4% of FS.
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