Siemens SITRANS F Series Operating Instructions Manual page 31

Figure 4-9
● Isolate the sensor from cathodic protected pipes using insulated bolts.
● Use bypass cable between the mating flanges
Note
Remote mounted sensor versions
If the above is not acceptable, remote mounted sensors can alternatively be connected as
follows:
● Connect coil current cable shield at sensor end via a 1.5 µF condensator
● Make sure that electrode cable shield is not connected at both ends
SITRANS FM MAG 5100 W
Operating Instructions, 01/2020, A5E03063678-AC
Cathodic protection
Installing/Mounting
4.5 Potential equalization
31