Maintenance Proline Prowirl R 200 HART
164 Endress+Hauser
13 Maintenance
13.1 Maintenance tasks
No special maintenance work is required.
13.1.1 Exterior cleaning
When cleaning the exterior of measuring devices, always use cleaning agents that do not
attack the surface of the housing or the seals.
13.1.2 Interior cleaning
NOTICE
The use of unsuitable equipment or cleaning liquids can damage the transducer.
‣
Do not use pigs to clean the pipe.
13.1.3 Replacing seals
Replacing sensor seals
NOTICE
Seals in contact with fluid must always be replaced!
‣
Only Endress+Hauser sensor seals may be used: replacement seals
Replacing housing seals
NOTICE
When using the device in a dusty atmosphere:
‣
only use the associated Endress+Hauser housing seals.
1. Replace defect seals only with original seals from Endress+Hauser.
2. The housing seals must be clean and undamaged when inserted into their grooves.
3. Dry, clean or replace the seals if necessary.
13.1.4 Adjusting the pressure measuring cell
Navigation:
Expert → Sensor → Sensor adjustment
1. Apply reference pressure to pressure measuring cell.
2. Enter this reference pressure as a value in the Reference pressure parameter
(7748).
3. Select an option in the Pressure cell adjustment parameter (7754):
Yes option: Confirm entry.
Cancel option: Cancel entry by entering "Cancel".
Discard offset option: Reset offset to 0.
The Pressure cell offset value parameter (7749) indicates the calculated offset value.
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