Proline Promag 10 Wiring
Endress+Hauser 39
3.3 Potential equalization
Perfect measurement is only ensured when the medium and the sensor have the same electrical
potential. Most sensors have a reference electrode installed as standard, which guarantees the
required potential connection. This usually means that the use of ground disks or other
measures are unnecessary.
•Promag E/L/P/W
Reference electrode available as standard.
•Promag H
No reference electrode available. There is always an electrical connection to the fluid via the
metal process connection.
Standard situation
Potential equalization takes place via the ground terminal of the transmitter when using the
device in metal, grounded pipes.
A0003195
Note!
Potential equalization for other areas of application Operating Instructions on the
CD-ROM.
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