Technical data

87
LevelWave LR01HB EML3020 A-(en)
7 Service
7.1 Periodic maintenance
No maintenance is necessary. If it is possible that there will be build-up on the antenna, clean the
antenna regularly. If your device has the purge option, refer to How to clean horn antennas under
process conditions on page 87.
7.2 How to clean horn antennas under process conditions
If it is possible that there will be build-up, a purging option is available for DN150 / 6¨ and DN200 /
8¨ Metallic Horn antennas. Purge the antenna at intervals to make sure that the inner surface of
the antenna stays clean and the device measures accurately. For more data about dimensions,
refer to Dimensions and weights on page 108 (Purging and heating/cooling system options).
WARNING!
Do not use bleach to clean the signal converter.
Purging system
Figure 7-1: Purging system
1 Purging system
2 Flange connection
3 Metallic Horn antenna
4 G ¼ plug for the purging system
5 Seal
6 Warning label - see the illustration that follows
Warning label
Figure 7-2: Warning label (on the top face of the flange connection)
1 Text: Attention! Purge connection. Do not open during operation.
WARNING!
Purge the antenna with a dry gas or liquid that is applicable to the process. For more data, refer
to the table that follows: