Probe Replacement - Emerson Rosemount 3308A Reference Manual

3308 series wireless guided wave radar
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Reference Manual
00809-0100-4308, Rev CA
6.8

Probe replacement

Figure 6-19. Probe Replacement
Flange version
A.
Transmitter head
B.
Nut
C.
Process seal
D.
Probe
1. Loosen the nut.
2. Remove the transmitter head from the old probe. Make sure to protect the transmitter head bottom
from dust and water.
3. On the new probe, make sure that the protection plug is removed and the upper surface of the
Process Seal is clean. Also make sure that the spring-loaded pin at the center of the Process Seal is
properly inserted.
4. Mount the transmitter head on the new probe.
5. Tighten the nut. Max torque is 30 Lbft (40 Nm).
6. If the new probe is not of the same type as the old one, update the transmitter configuration by
setting the Probe Type parameter to the appropriate value.
a. Select Configure > Manual Setup > Level Setup > Probe.
b. Under Probe Type, select desired Probe Type.
7. Measure the Probe Length and enter the measured value.
a. Select Configure > Manual Setup > Level Setup > Probe.
b. Under Probe Length, enter the measured Probe Length value.
8. Run Verify Level to check your level measurement, refer to
Service and Troubleshooting
PRELIMINARY
A
B
B
C
D
Service and Troubleshooting
Threaded version
A
B
C
D
"Verify level" on page
August 2017
74.
109

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