5 Installation
24
5.4.4 Plastic pipes, non-metallic pipes or pipes
with insulating liner
A
Flange design
B
Wafer type design
1
Ground terminal
2
Terminal lug
3
Grounding plate
Figure 27: Plastic pipes, non-metallic pipes or pipes with insulating liner
For plastic pipes or pipes with insulating lining, the grounding of
the measuring medium is provided by the grounding plate as
shown in the figure below or via grounding electrodes that must
be installed in the device (option).
If grounding electrodes are used, the grounding plate is not
necessary.
1.
Install the sensor with grounding plate in the piping.
2.
Connect the terminal lug of the grounding plate and ground
connection on the sensor using the grounding strap.
3.
Use a copper wire with at least 2.5 mm
2
(14 AWG)) to
establish a connection between the ground connection and a
suited grounding point.
5.4.5 JUMO flowTRANS MAG H10 sensor type
1
Adapter for process connection
Figure 28: JUMO flowTRANS MAG H10 sensor type
Follow the grounding procedure shown in the illustration. The
medium being measured is grounded via the adapter for the
process connection so that an additional ground is not required.
5.4.6 Grounding for devices with protective plates
The protection plates are used to protect the edges of the meter
tube liner, e.g. for abrasive media.
In addition, the protection plates function as a grounding plate.
• For plastic piping or piping with insulating liner, electrically
connect the protection plate in the same manner as a
grounding plate.
5.4.7 Grounding with conductive PTFE grounding
plate
Grounding plates made of conductive PTFE are optionally
available for nominal diameter ranges of DN 10 to 250. These are
installed similar to conventional grounding plates.
Summary of Contents for 406060
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