About this document
Flowmeter Proline 500 – digital
6
Hauser
Symbol
Meaning
Potential equalization connection (PE: protective earth)
Ground terminals that must be connected to ground prior to establishing any other connections.
The ground terminals are located on the interior and exterior of the device:
• Interior ground terminal: potential equalization is connected to the supply network.
• Exterior ground terminal: device is connected to the plant grounding system.
1.1.4
Communication-specific symbols
Symbol
Meaning
Symbol
Meaning
Wireless Local Area Network
(WLAN)
Communication via a wireless, local
network.
Promass 10
Bluetooth
Wireless data transmission between
devices over a short distance.
LED
Light emitting diode is on.
LED
Light emitting diode is off.
LED
Light emitting diode is flashing.
1.1.5
Tool symbols
Symbol
Meaning
Symbol
Meaning
Torx screwdriver
Flat-blade screwdriver
Phillips head screwdriver
Allen key
Open-ended wrench
1.1.6
Symbols in graphics
Symbol
Meaning
Symbol
Meaning
1, 2, 3,...
Item numbers
1.
,
2.
,
3.
…
Series of steps
A, B, C, ...
Views
A-A, B-B, C-C, ...
Sections
-
Hazardous area
.
Safe area (non-hazardous area)
Flow direction