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AquaMaster 3
Electromagnetic flowmeter
3 Electrical Installation
16
User Guide OI/FET2XX–EN Rev. E
3 Electrical Installation
3.1 Grounding
Caution.
For safety reasons and optimum performance, the flowmeter, pipelines and medium must be
bonded and grounded correctly according to regulations.
Note.
Connect the transmitter ground connection to the flowmeter body ground
– see Fig. 3.2 and Fig. 3.3.
The flow sensor must not be connected to a ground spike.
For bonding connections use
4 mm
2
(<10AWG) cable.
Older sensors from DN40 to DN80 fitted with bare metal stainless steel flanges do not require fluid
contact rings.
Fig. 3.1 Grounding – All Pipes
Fluid Contact Rings
See Figs. 3.2 (page 17)
and 3.3 (page 17)