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Model 2790 SourceMeter® Switch System Reference Manual
E-5
The resistance of the RTD at 100°C (R
) is then calculated as follows:
100
2
3
R
= R
[1 + AT + BT
+ CT
(T-100)]
100
0
2
3
= 100 {1 + [(0.00391)(100)] + [(-5.77e-7)(100
)]+ [(-4.18e-12)(100
)(100-100)]}
= 100 [1 + 0.391 + (-0.006) + 0]
= 100 (1.385)
= 138.5Ω
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