Connecting The Device - Endress+Hauser Liquiphant FTL51B Brief Operating Instructions

Liquiphant FTL51B HART
6.2.2 Potential equalization
WARNING
L
Explosion Hazard!
‣
Please refer to the separate documentation on applications in hazardous areas for the
safety instructions.
1 Ground terminal for connecting the potential matching line
If necessary, the potential matching line can be connected to the external ground
terminal of the transmitter before the device is connected.
For optimum electromagnetic compatibility:
• Potential matching line as short as possible
• Observe a cross-section of at least 2.5 mm
6.3

Connecting the device

1 Connection compartment cover
Housing thread
The threads of the electronics and connection compartment can be coated with an anti-
friction coating.
The following applies for all housing materials:
Do not lubricate the housing threads.
Endress+Hauser
1
2 (14 AWG)
1
Electrical connection
A0045830
A0046355
17