Document Information; Document Function; Symbols Used; Safety Symbols - Endress+Hauser Dosimag Operating Instructions Manual

Dosimag
Endress+Hauser
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Document information

1.1

Document function

These Operating Instructions contain all the information that is required in various phases
of the life cycle of the device: from product identification, incoming acceptance and
storage, to mounting, connection, operation and commissioning through to
troubleshooting, maintenance and disposal.
1.2

Symbols used

1.2.1

Safety symbols

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

Electrical symbols

Symbol Meaning
Direct current
A terminal to which DC voltage is applied or through which direct current flows.
Alternating current
A terminal to which alternating voltage is applied or through which alternating current flows.
Direct current and alternating current
• A terminal to which alternating voltage or DC voltage is applied.
• A terminal through which alternating current or direct current flows.
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.
Document information
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