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Three wire rtds, 4w 3w icomp – Doric Instruments 5000D Digital Process Indicator and Miniature Datalogger User Manual

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7

Three Wire RTDs

Note: All RTD units are shipped from the factory configured
for 4-wire RTDs unless otherwise requested. To enable the
unit to measure 3-wire RTDs, remove the electronics
assembly from the housing and complete the following steps.
If an option card is installed, remove the top and bottom
screws and carefully lift the option card from the main board
assembly.

Step 1.

Remove the jumper located on the topside on the

main board from across pins labeled 4W and install it across
the pins labeled 3W.

Step 2.

Place the jumper provided across the header labeled

ICOMP. This completes the configuration from 4-wire RTD
to 3-wire RTD.

4W 3W

ICOMP

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