Endress+Hauser EngyCal RH33, Краткое руководство по эксплуатации

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EngyCal ® RH33
Document information
Hauser 3
1 Document information
1.1 Document conventions
1.1.1 Safety symbols
Symbol Meaning
DANGER
A0011189-EN
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
A0011190-EN
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
A0011191-EN
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
A0011192-EN
NOTICE!
This symbol contains information on procedures and other facts which do not result in personal
injury.
1.1.2 Electrical symbols
Symbol Meaning
A0011197
Direct current
A terminal to which DC voltage is applied or through which direct current flows.
A0011198
Alternating current
A terminal to which alternating voltage is applied or through which alternating current flows.
A0017381
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.
A0011200
Ground connection
A grounded terminal which, as far as the operator is concerned, is grounded via a grounding system.
A0011199
Protective ground connection
A terminal which must be connected to ground prior to establishing any other connections.
A0011201
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.
A0012751
ESD - electrostatic discharge
Protect the terminals from electrostatic discharge. Failure to observe this may result in destruction of
parts of the electronics.