Keller CellaCast PX 80, Руководство по эксплуатации

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Operating instructions CellaCast PX 8x
18 Maintenace
18.1 Cleaning the pyrometer lens
A soiled lens leads to wrong display of the measured value�
► Check the lens regularly and clean it, if required.
• Remove dust by blowing or with a soft brush�
• Use clean, soft and lint-free cloths or those offered on the market for lens
cleaning�
• For heavier contamination, use washing-up liquid or liquid soap� Then carful-
ly rinse with clear water� Hold the lens downwards�
• Exert only little preasure on the lens during cleaning to avoid scratches�
18.2 Replacing the protective screen
To protect the pyrometer optics against contamination in harsh industrial envi-
ronments, an additional protective screen is often used� A contamination of the
protective screen also leads to a reduced indication of the measuring value�
► Check the protective screen regularly and clean it if necessary or replace it in
case of damage�
• Remove dust by blowing or with a soft brush�
• Use clean, soft and lint-free cloths or those offered on the market for lens
cleaning�
• For heavier contamination, use washing-up liquid or liquid soap� Then carful-
ly rinse with clear water� Hold the lens downwards�
• Exert only little preasure on the protective glass during cleaning to avoid
scratches�
ATTENTION
Replacement of the protection glass only by authorized person� When removing
the protective screen, always wear protective glasses and -gloves.