PN 305892901, Rev S
Sensor
Removing the Sensor
1. Remove the Analyzer Cover from the analyzer.
2. Remove the Sample Oven Cover (Figure 4-9). Facing the front of the
3050-RM Analyzer, the Sensor is the small PC board with two (2) metal cans
in the center of the sample manifold plate (Figure 4-2).
3. Disconnect the two (2) 1/16-inch ttings that connect the Sensor to the
stream switching valve manifold in the center of the sample manifold plate
(Figure 4-3).
4. Lift the Sensor assembly from the Oven compartment being careful to free
the ribbon cable attached to it from the other wires that pass through to
the electronics compartment.
5. Disconnect the ribbon cable from the Analog Interface board and discard
the old Sensor.
Installing the Sensor
1. Mount the new Sensor on the stream switching valve manifold by carefully
inserting and tightening the two (2) 1/16-inch ttings.
2. Run the ribbon cable from the Sensor through the slotted opening in the
Oven wall into the electronics compartment.
3. Connect the ribbon cable plug to position P2 on the Analog Interface
board (Figure 4-10).
4. Replace the Sample Oven Cover and secure it with the two (2) nuts.
5. Replace the Analyzer Cover and secure it with the mounting screws.
Use caution when disconnecting the Moisture Generator and pressure
transducer from the sample system. The tubes are delicate and care
should be taken not to transfer torque to them.
4-6 | 3050-RM Moisture Analyzer
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