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12
Maintenance
12.1
Maintenance tasks
No special maintenance work is required.
12.1.1
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.
12.1.2
Interior cleaning
Cleaning the sensing element
In applications with unclean fluids, it is advisable to inspect and clean the device regularly
to minimize measured errors caused by fouling or buildup.
The inspection and cleaning intervals depend on the field of application.
NOTICE
The use of unsuitable equipment or cleaning liquids can damage the sensing element.
‣
Do not use pigs to clean the pipe.
‣
Use an oil-free cleaning agent that does not form a film to clean the sensor. Gently
clean the surface using a soft brush.
‣
When cleaning make sure that the cap is not damaged.
‣
Never use cleaning agents that can corrode the material and the seal.
Sensor-specific information:
• Follow the safety instructions when removing the sensor .
• Follow the instructions in the "Installation" section when removing the sensor→ 8.
12.2
Endress+Hauser services
Endress+Hauser offers a wide variety of services for maintenance such as recalibration,
maintenance service or device tests.
Your Endress+Hauser Sales Center can provide detailed information on the services.
Maintenance
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