Symbols For Certain Types Of Information; Tool Symbols - Endress+Hauser iTEMP TMT162 Operating Instructions Manual

iTEMP TMT162
Endress+Hauser
Symbol Meaning
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a
grounding system.
Protective ground connection
A terminal which must be connected to ground prior to establishing any other
connections.
Equipotential connection
A connection that has to be connected to the plant grounding system: This may be a
potential equalization line or a star grounding system depending on national or
company codes of practice.
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 step
Help in the event of a problem
Visual inspection
1.2.4

Tool symbols

Symbol Meaning
Flat-blade screwdriver
A0011220
Phillips screwdriver
A0011219
Allen key
A0011221
Open-ended wrench
A0011222
Torx screwdriver
A0013442
Important document information
5