Emerson Process Management 53eA Stud Sensor User Manual


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Insulate and tape back unused wires.
3.3.5 Wiring Hx438 and Gx448 sensors
Hx438 and Gx448 steam-sterilizable dissolved oxygen sensors use a 22k NTC thermistor. The thermistor is wired
to terminals 1 and 3 on TB5.
FIGURE 3-12. Hx438 and Gx448 sensors.
MODEL 54eA SECTION 3.0
WIRING
15
DWG. NO. REV.
4054eA07 A
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