Endress+Hauser ria45 - Symbols for Information

RIA45 Document information
Endress+Hauser 5
1.2.3 Symbols for certain types of information
Symbol Meaning
Permitted
Procedures, processes or actions that are permitted.
Preferred
Procedures, processes or actions that are preferred.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information.
Reference to documentation
Reference to page
Reference to graphic
,
…
,
Series of steps
Result of a sequence of actions
Help in the event of a problem
Visual inspection
1.2.4 Symbols in graphics
Symbol Meaning
1, 2, 3,... Item numbers
,
…
,
Series of steps
A, B, C, ... Views
A-A, B-B, C-C, ... Sections
A0013441
Flow direction
-
A0011187
Hazardous area
Indicates a hazardous area.
.
A0011188
Safe area (non-hazardous area)
Indicates a non-hazardous area.
1.2.5 Tool symbols
Symbol Meaning
A0011220
Flat blade screwdriver
A0011221
Allen key
A0011222
Open-ended wrench
A0013442
Torx screwdriver