Potential Equalization - Siemens SITRANS F M MAG 1100 Operating Instructions Manual

4.8

Potential equalization

To obtain optimum results from the measuring system, the sensor must have the same
electrical potential as the liquid being measured.
Electrically
conductive
piping
Electrically
non-conductive
piping
NOTICE
For sizes DN 2-10 with Hastelloy or stainless steel adaptors potential equalization is done
ensured through adaptors
Cathodic protection
Special attention must be paid to systems with cathodic protection
Use in hazardous area!
Cathodic pipe protection is not allowed in hazardous areas
SITRANS F M MAG 1100 sensor
Operating Instructions, 01/2018, A5E03433301-AC
Graphite
Potential equalization with electrically
graphite gaskets
Potential equalization with electrically
conductive graphite gaskets
WARNING
Installing/Mounting
4.8 Potential equalization
EPDM or PTFE gaskets
Potential equalization using earth strap
supplied
Potential equalization using separate
potential equalization ring
NOTE
For unidirectional flow use two ground‐
ing rings
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