XTR108 circuit diagram of a four-wire RTD connection

Posted on Mar 28, 2007

As shown in FIG XTR108 four-wire RTD is connected to the circuit. Four-wire RTD lead resistance in practical application is usually not equal, thereby increasing a precision op

XTR108 circuit diagram of a four-wire RTD connection
Click here to download the full size of the above Circuit.

amp OPA277 to reduce the voltage offset and drift. It should be noted that the circuit is very sensitive to the RTD lead resistance.

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