Cleaning; Cleaning The Antenna - Siemens SITRANS LR460 Operating Instructions Manual

An inspection can include, for example, check of:
• Ambient conditions
• Seal integrity of the process connections, cable entries, and cover
• Reliability of power supply, lightning protection, and grounds
NOTICE
Penetration of moisture into the device
Damage to device.
• Make sure when carrying out cleaning and maintenance work that no moisture
Impermissible repair of the device
• Repair must be carried out by Siemens authorized personnel only.
Hazardous voltage at open device
Risk of electric shock when the enclosure is opened or enclosure parts are removed.
• Before you open the enclosure or remove enclosure parts, de-energize the device.
• If maintenance measures in an energized state are necessary, observe the particular
9.2

Cleaning

9.2.1

Cleaning the antenna

Under severe operating conditions, the antenna may require periodic cleaning. If cleaning
becomes necessary:
• We recommend using high pressure air to clean the antenna.
• The inside of the horn can be scraped, but be very careful not to damage the small PTFE
emitter inside the horn.
SITRANS LR460
Operating Instructions, 10/2021, A5E42035355-AB
penetrates the inside of the device.
WARNING
CAUTION
precautionary measures. Have maintenance work carried out by qualified personnel.
Service and maintenance
9.2 Cleaning
119