RID16
1.1.3
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 step
1.1.4
Symbols in graphics
Symbol
1, 2, 3,...
,
,
...
A, B, C, ...
A-A, B-B, C-C, ...
A0013441
-
A0011187
.
A0011188
1.1.5
Tool symbols
Symbol
Meaning
Flat blade screwdriver
A0011220
Allen key
A0011221
Endress+Hauser
Meaning
Item numbers
Series of steps
Views
Sections
Flow direction
Hazardous area
Indicates a hazardous area.
Safe area (non-hazardous area)
Indicates a non-hazardous area.
Symbol
Meaning
Preferred
Procedures, processes or actions that
are preferred.
Tip
Indicates additional information.
Reference to page
Series of steps
,
,
...
Visual inspection
Document information
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