iTEMP TMT71/72 About this document
Symbol Meaning
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a
grounding system.
Protective Earth (PE)
A terminal which must be connected to ground prior to establishing any other
connections.
The ground terminals are situated inside and outside the device:
• Inner ground terminal: Connects the protectiv earth to the mains supply.
• Outer ground terminal: Connects the device 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
Reference to graphic
, , …
Series of steps
Result of a step
Help in the event of a problem
Visual inspection
1.4 Tool symbols
Symbol Meaning
Flat blade screwdriver
A0011220
Phillips head screwdriver
A0011219
Allen key
A0011221
Open-ended wrench
A0011222
Torx screwdriver
A0013442
Endress+Hauser V. 1, Rev. 2, 4-10-2018 5
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