Cleaning Or Replacing The Ptfe Sealing - Emerson Rosemount 5408 Reference Manual

Reference Manual
00809-0100-4408
8. Attach a protection plug to the process seal to protect it from dust and water.
7.7

Cleaning or replacing the PTFE sealing

This section applies only to transmitters with a process seal antenna.
Replace the PTFE sealing if it shows any signs of damage. If it is not damaged, clean and
reuse it.
Remove from service
Be aware of the following:
• Follow all plant safety rules and procedures.
• In Explosion Proof/Flameproof and Non-Incendive/Type n installations, do not remove
the transmitter covers when power is applied to the unit.
• Do not remove the process connection while in operation. Removing while in operation
may cause process gas leaks.
Cleaning
To avoid electrostatic charges, use only a damp cloth to clean the PTFE surfaces. Clean the
PTFE sealing with care.
The transmitter is suitable for:
• Cleaning-Out-of-Place (COP)
• Cleaning-In-Place (CIP)
• Steaming-In-Place (SIP)
Related information
Product certifications
Rosemount 5408 and 5408:SIS Level Transmitters
A. Process seal
Service and troubleshooting
March 2023
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