ATI Q46D Dissolved Oxygen System Part 10 - Troubleshooting
57
O&M Manual
Rev-N (4/21)
B. Remove the front sensor “cartridge” for the sensor body by
unscrewing the cartridge at the large “knurl” in a counterclockwise
manner. Inspect the gold RCA jack for signs of moisture or other
foulants. Clean and thoroughly dry both connectors if necessary.
Re-assemble when complete.
E. Connect the DVM between the brown and black wires. These are
the RTD leads, and you should find a resistance value that depends
on the temperature. The table below lists the resistance values for
various temperatures.
Figure 25 - Pt1000 RTD Resistance Table
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