Earth potential measuring device WITT EPM 3 | EPM 80
Brief description of the project …
Brief description of the project …
In isolated structures such as a direct current railway, it is essential to monitor voltages and electrical currents in order to prevent stray currents.
These pose a certain risk and can cause considerable damage to structures.
Our measuring devices determine the values between the electrical potentials of different measuring points – for example, railway earth and water earth – and evaluate the voltages that occur or determine the currents.
The threshold values can be displayed using potential-free contacts. It is also possible to transfer measured values and threshold values to a SCADA system.
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Brief description of the project …
Brief description of the project …

Voltage monitoring between the track earth and the water earth serves to prevent corrosion, ensure safety, detect faults and comply with regulations.
Voltage monitoring between the track earth and the water earth serves to prevent corrosion, ensure safety, detect faults and comply with regulations.

Voltage monitoring between earths in the area of direct current railways to monitor the potential of the connected earths.
Voltage monitoring between earths in the area of direct current railways to monitor the potential of the connected earths.

Dieses WITT EPM 80 überwacht die Erdungspotentiale der angeschlossenen Erden bzw. Bahnerden und bewertet die auftretenden Spannungen (siehe technische Daten).
Dieses WITT EPM 80 überwacht die Erdungspotentiale der angeschlossenen Erden bzw. Bahnerden und bewertet die auftretenden Spannungen (siehe technische Daten).

monitors the insulation between return conductor and earth
monitors the insulation between return conductor and earth