Endress+Hauser Levelflex FMP53 Brief Operating Instructions page 6

Important document information
1.1.4 Symbols for certain types of information
Symbol Meaning
Permitted
Procedures, processes or actions that
are permitted.
Forbidden
Procedures, processes or actions that
are forbidden.
Reference to documentation
Reference to graphic
Result of a sequence of actions
1.1.5 Symbols in graphics
Symbol Meaning
1, 2, 3 ... Item numbers
Series of steps
, , ...
A, B, C, ... Views
A-A, B-B, C-C, ... Sections
Hazardous area
-
Indicates a hazardous area.
Safe area (non-hazardous area)
.
Indicates the non-hazardous area.
1.1.6 Symbols at the device
Symbol Meaning
Safety instructions
Observe the safety instructions contained in the associated Operating Instructions.
Temperature resistance of the connection cables
Specifies the minimum value of the temperature resistance of the connection cables.
6
Levelflex FMP53 FOUNDATION Fieldbus
Symbol Meaning
Preferred
Procedures, processes or actions that
are preferred.
Tip
Indicates additional information.
Reference to page
Series of steps
, , ...
Visual inspection
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