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E-HELP: 3-Wire Options with the WORM

E-HELP: 3-Wire Options with the WORM

Q: Does the WORM Flexible Sensor RTD have a 3-wire option? If not, can I eliminate the fourth wire by jumping two of the parallel wires together?

A: Yes to both questions. If your transmitter or other measurement can only deal with a three-wire RTD, you can stow the orphan lead or connect it to the other wire of the same color. The alternative is to purchase a special three-wire version of the WORM RTD. However, to achieve greater measurement accuracy we recommend using a 4-wire RTD. You can learn more about the benefits of 4-wire RTDs and other ways to improve accuracy in our A Practical Guide to Improving Temperature Measurement Accuracy white paper.

Published: September 3, 2015
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