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Power down and remove the RTD sensor from your controller. Lay the sensor wires on a flat surface for testing. Do not hold them in your hand during the test since your fingers could give a distorted reading.

Set your multimeter to Ohms Ω. Your meter should display 0.L.

Touch the meter leads to the ends of the sensor wires. Compare the value displayed with the RTD Resistance Chart.

Shared Novermber 7th, 2017

By Connie Dawson, Process Technology