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Quick Start Guide
5
Maintenance
WARNING
Pressurized spray injury
Before removing the sensor, be absolutely certain that the process pressure
is reduced to 0 psig and the process temperature is lowered to a safe level!
5.1
Cleaning the membrane
Keep the membrane clean and free from dirt and algae. Periodically inspect
the membrane. If it appears fouled, clean the membrane with water sprayed
from a wash bottle.
CAUTION
EQUIPMENT DAMAGE
Do not wipe the membrane with a tissue. Do not touch the membrane.
Doing so may damage the cathode, making the sensor unusable.
5.2
Replacing the electrolyte solution and membrane
WARNING
Corrosive substance
Fill solution is corrosive.
Avoid contact with skin and eyes.
Consult Material Safety Data Sheet (MSDS) for safety information.
Procedure
1. Unscrew the membrane retainer.
2. Remove the membrane assembly and O-ring.
See
3. Hold the sensor over a container with the cathode pointing down.
4. Remove the fill plug.
5. Allow the electrolyte solution to drain out.
6. Remove the old pipe tape from the plug.
7. Wrap the plug with one or two turns of pipe tape..
8. Prepare a new membrane.
14
Figure
1-1.
November 2019
Emerson.com/Rosemount
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