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21
UK
5.3 Grounding
If installed in an ungrounded pipe system (e�g� plastic pipes), the unit must
be grounded (functional earth)�
Ground brackets for the M12 connector are available as accessories (→ www.ifm.
com)�
5.4 Installation in pipes
The units with a G thread can be installed in the pipes using adapters�
Information about the available mounting accessories at
A correct fit of the unit and ingress resistance of the connection are only ensured
using ifm adapters�
A
A
D
D
C
C
B
B
1� Screw the adapter (B) into the pipe (A)�
2� Place the seals (C) and install the unit according to the marked flow direction�
►
To mount the adapters on the process connection of the sensor use
suitable lubricants�
3� Screw the adapter (B) with the threads (D) until it is hand-tight�
4� Tighten the two adapters in opposite direction (tightening torque: 30 Nm)�
After installation, air bubbles in the system can affect the measurement�
Corrective measures:
►
Rinse the system after installation for ventilation (rinsing quantity > 15 l/min, 4
gpm)�
In case of horizontal installation:
As a result of horizontal mounting a small quantity of the medium always
remains in the measuring channel, even after switching off the pump�