Measuring a 4 Wire RTD
Figure 4.
E. Sourcing Resistance Into a RTD
Transmitter
1. As described previously in section A the
PTC8001 can source resistance in a RTD
Transmitter or measuring device. In many
cases the unit under test will require a 3 or 4
wire connection to achieve best accuracy.
Refer to Figure 5 for connection information.
Figure 5.
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