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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.

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ADC 410F Istruzioni per gli Interventi Pagina 9