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iTEMP TMT182B
Endress+Hauser
Symbol
Meaning
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a
grounding system.
Potential equalization connection (PE: protective earth)
Ground terminals that must be connected to ground prior to establishing any other
connections.
The ground terminals are located on the interior and exterior of the device:
• Interior ground terminal: potential equalization is connected to the supply network.
• Exterior ground terminal: device is connected to the plant grounding system.
1.3.3
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
A
Reference to graphic
Notice or individual step to be observed
,
,
...
Series of steps
1.
2.
3.
Result of a step
Help in the event of a problem
Visual inspection
1.3.4
Symbols in graphics
Symbol
Meaning
1, 2, 3,...
Item numbers
A, B, C, ...
Views
Hazardous area
-
1.4
Tool symbols
Symbol
Meaning
Phillips head screwdriver
A0011219
Symbol
Meaning
,
,
...
Series of steps
1.
2.
3.
A-A, B-B, C-C, ...
Sections
Safe area (non-hazardous area)
.
About this document
3
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