Service and maintenance
8.2 Cleaning
SITRANS LR250 with FOUNDATION FIELDBUS
Compact Operating Instructions, 09/2021, A5E48453221-AB
55
8.2 Cleaning
The radar device requires no cleaning under normal operating conditions.
Under severe operating conditions, the antenna may require periodic cleaning. If cleaning
becomes necessary:
• Note the antenna material and the process medium, and select a cleaning solution that
will not react adversely with either.
• Remove the device from service and wipe the antenna clean using a cloth and suitable
cleaning solution.
Penetration of moisture into the device
Damage to device.
• Make sure when carrying out cleaning and maintenance work that no moisture
penetrates the inside of the device.
Danger of explosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth.
Prevent electrostatic charging in hazardous areas.
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