Endress+Hauser Liquiphant FTL41 Brief Operating Instructions page 4

About this document
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.1.2 Electrical symbols
Ground connection
Grounded clamp, which is grounded via a grounding system.
Protective earth (PE)
Ground terminals, which must be grounded prior to establishing any other connections. The
ground terminals are located on the inside and outside of the device.
1.1.3 Tool symbols
Flat-blade screwdriver
Allen key
Open-ended wrench
1.1.4 Symbols for certain types of information
Permitted
Procedures, processes or actions that are permitted.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information
Reference to documentation
Reference to another section
A
, , Series of steps
1. 2. 3.
1.1.5 Symbols in graphics
A, B, C ... View
1, 2, 3 ... Item numbers
Hazardous area
-
Safe area (non-hazardous area)
.
4
Liquiphant FTL41
Endress+Hauser