KROHNE IFC 090 Converter EN - Manual (Page 9)

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Grounding of primary head 1.3.3
• All flowmeters must be properly grounded.
• The grounding conductor should not transmit any interference voltages.
• Do not ground any other electrical device together with this conductor.
• In hazardous locations, the grounding conductor is used simultaneously for equipotential
bonding. Special grounding instructions are contained in the ”Ex” installation instructions
for hazardous-duty devices, supplied only with such devices).
• The primary head is connected to ground by means of an FE functional ground conductor.
• Special information on grounding various primary heads is contained in the separate
installation instructions for primary heads.
• These instructions also contain detailed descriptions on how to use grounding rings and
how to install primary heads in metal or plastic pipes or internally coated pipelines.