Document Conventions; Safety Symbols; Electrical Symbols; Tool Symbols - Endress+Hauser Proline Promass E TB2 HART Operating Instructions Manual

Coriolis mass flow measuring system
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Important document information
6
Document type
Installation Instructions
The document types listed are available:
• On the CD supplied with the device
• In the Download Area of the Endress+Hauser Internet site: www.endress.com ® Download
1.2

Document conventions

1.2.1

Safety symbols

Symbol
Meaning
DANGER!
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious
or fatal injury.
A0011189-EN
WARNING!
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious
or fatal injury.
A0011190-EN
CAUTION!
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in minor or
medium injury.
A0011191-EN
NOTE!
NOTICE
This symbol contains information on procedures and other facts which do not result in personal
injury.
A0011192-EN
1.2.2

Electrical symbols

Symbol
Meaning
Direct current
A terminal to which DC voltage is applied or through which direct current flows.
A0011197
Alternating current
A terminal to which alternating voltage (sine-wave) is applied or through which alternating current flows.
A0011198
Ground connection
)
A grounded terminal which, as far as the operator is concerned, is grounded via a grounding system.
A0011200
Protective ground connection
*
A terminal which must be connected to ground prior to establishing any other connections.
A0011199
Equipotential connection
A connection that has to be connected to the plant grounding system: This may be a potential equalization
A0011201
line or a star grounding system depending on national or company codes of practice.
1.2.3

Tool symbols

Symbol
Meaning
Torx screwdriver
A0013442
Flat blade screwdriver
A0011220
Device particularities and document content
Ordered accessory
The Installation Instructions contain all the information needed to install the
ordered accessory or spare part.
Proline Promass E TB2 HART
Endress+Hauser

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